Handle the new incremental-recursion mode.
[rsync.git] / receiver.c
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, 2004, 2005, 2006 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 2 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, write to the Free Software Foundation, Inc.,
20  * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
21  */
22
23 #include "rsync.h"
24
25 extern int verbose;
26 extern int do_xfers;
27 extern int am_server;
28 extern int do_progress;
29 extern int incremental;
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 basis_dir_cnt;
42 extern int make_backups;
43 extern int cleanup_got_literal;
44 extern int remove_source_files;
45 extern int append_mode;
46 extern int sparse_files;
47 extern int keep_partial;
48 extern int checksum_seed;
49 extern int inplace;
50 extern int delay_updates;
51 extern struct stats stats;
52 extern char *stdout_format;
53 extern char *tmpdir;
54 extern char *partial_dir;
55 extern char *basis_dir[];
56 extern struct file_list *cur_flist, *first_flist;
57 extern struct filter_list_struct server_filter_list;
58
59 static struct bitbag *delayed_bits = NULL;
60 static int phase = 0;
61 /* We're either updating the basis file or an identical copy: */
62 static int updating_basis;
63
64 /*
65  * get_tmpname() - create a tmp filename for a given filename
66  *
67  *   If a tmpdir is defined, use that as the directory to
68  *   put it in.  Otherwise, the tmp filename is in the same
69  *   directory as the given name.  Note that there may be no
70  *   directory at all in the given name!
71  *
72  *   The tmp filename is basically the given filename with a
73  *   dot prepended, and .XXXXXX appended (for mkstemp() to
74  *   put its unique gunk in).  Take care to not exceed
75  *   either the MAXPATHLEN or NAME_MAX, esp. the last, as
76  *   the basename basically becomes 8 chars longer. In that
77  *   case, the original name is shortened sufficiently to
78  *   make it all fit.
79  *
80  *   Of course, there's no real reason for the tmp name to
81  *   look like the original, except to satisfy us humans.
82  *   As long as it's unique, rsync will work.
83  */
84
85 int get_tmpname(char *fnametmp, char *fname)
86 {
87         int maxname, added, length = 0;
88         char *f;
89
90         if (tmpdir) {
91                 /* Note: this can't overflow, so the return value is safe */
92                 length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
93                 fnametmp[length++] = '/';
94         }
95
96         if ((f = strrchr(fname, '/')) != NULL) {
97                 ++f;
98                 if (!tmpdir) {
99                         length = f - fname;
100                         /* copy up to and including the slash */
101                         strlcpy(fnametmp, fname, length + 1);
102                 }
103         } else
104                 f = fname;
105         fnametmp[length++] = '.';
106
107         /* The maxname value is bufsize, and includes space for the '\0'.
108          * (Note that NAME_MAX get -8 for the leading '.' above.) */
109         maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
110
111         if (maxname < 1) {
112                 rprintf(FERROR, "temporary filename too long: %s\n", fname);
113                 fnametmp[0] = '\0';
114                 return 0;
115         }
116
117         added = strlcpy(fnametmp + length, f, maxname);
118         if (added >= maxname)
119                 added = maxname - 1;
120         memcpy(fnametmp + length + added, ".XXXXXX", 8);
121
122         return 1;
123 }
124
125
126 static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
127                         char *fname, int fd, OFF_T total_size)
128 {
129         static char file_sum1[MD4_SUM_LENGTH];
130         static char file_sum2[MD4_SUM_LENGTH];
131         struct map_struct *mapbuf;
132         struct sum_struct sum;
133         int32 len;
134         OFF_T offset = 0;
135         OFF_T offset2;
136         char *data;
137         int32 i;
138         char *map = NULL;
139
140         read_sum_head(f_in, &sum);
141
142         if (fd_r >= 0 && size_r > 0) {
143                 int32 read_size = MAX(sum.blength * 2, 16*1024);
144                 mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
145                 if (verbose > 2) {
146                         rprintf(FINFO, "recv mapped %s of size %.0f\n",
147                                 fname_r, (double)size_r);
148                 }
149         } else
150                 mapbuf = NULL;
151
152         sum_init(checksum_seed);
153
154         if (append_mode > 0) {
155                 OFF_T j;
156                 sum.flength = (OFF_T)sum.count * sum.blength;
157                 if (sum.remainder)
158                         sum.flength -= sum.blength - sum.remainder;
159                 for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
160                         if (do_progress)
161                                 show_progress(offset, total_size);
162                         sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
163                                    CHUNK_SIZE);
164                         offset = j;
165                 }
166                 if (offset < sum.flength) {
167                         int32 len = (int32)(sum.flength - offset);
168                         if (do_progress)
169                                 show_progress(offset, total_size);
170                         sum_update(map_ptr(mapbuf, offset, len), len);
171                         offset = sum.flength;
172                 }
173                 if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) {
174                         rsyserr(FERROR, errno, "lseek of %s returned %.0f, not %.0f",
175                                 full_fname(fname), (double)j, (double)offset);
176                         exit_cleanup(RERR_FILEIO);
177                 }
178         }
179
180         while ((i = recv_token(f_in, &data)) != 0) {
181                 if (do_progress)
182                         show_progress(offset, total_size);
183
184                 if (i > 0) {
185                         if (verbose > 3) {
186                                 rprintf(FINFO,"data recv %d at %.0f\n",
187                                         i,(double)offset);
188                         }
189
190                         stats.literal_data += i;
191                         cleanup_got_literal = 1;
192
193                         sum_update(data, i);
194
195                         if (fd != -1 && write_file(fd,data,i) != i)
196                                 goto report_write_error;
197                         offset += i;
198                         continue;
199                 }
200
201                 i = -(i+1);
202                 offset2 = i * (OFF_T)sum.blength;
203                 len = sum.blength;
204                 if (i == (int)sum.count-1 && sum.remainder != 0)
205                         len = sum.remainder;
206
207                 stats.matched_data += len;
208
209                 if (verbose > 3) {
210                         rprintf(FINFO,
211                                 "chunk[%d] of size %ld at %.0f offset=%.0f\n",
212                                 i, (long)len, (double)offset2, (double)offset);
213                 }
214
215                 if (mapbuf) {
216                         map = map_ptr(mapbuf,offset2,len);
217
218                         see_token(map, len);
219                         sum_update(map, len);
220                 }
221
222                 if (updating_basis) {
223                         if (offset == offset2 && fd != -1) {
224                                 OFF_T pos;
225                                 if (flush_write_file(fd) < 0)
226                                         goto report_write_error;
227                                 offset += len;
228                                 if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) {
229                                         rsyserr(FERROR, errno,
230                                                 "lseek of %s returned %.0f, not %.0f",
231                                                 full_fname(fname),
232                                                 (double)pos, (double)offset);
233                                         exit_cleanup(RERR_FILEIO);
234                                 }
235                                 continue;
236                         }
237                 }
238                 if (fd != -1 && map && write_file(fd, map, len) != (int)len)
239                         goto report_write_error;
240                 offset += len;
241         }
242
243         if (flush_write_file(fd) < 0)
244                 goto report_write_error;
245
246 #ifdef HAVE_FTRUNCATE
247         if (inplace && fd != -1)
248                 ftruncate(fd, offset);
249 #endif
250
251         if (do_progress)
252                 end_progress(total_size);
253
254         if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
255             report_write_error:
256                 rsyserr(FERROR, errno, "write failed on %s",
257                         full_fname(fname));
258                 exit_cleanup(RERR_FILEIO);
259         }
260
261         sum_end(file_sum1);
262
263         if (mapbuf)
264                 unmap_file(mapbuf);
265
266         read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
267         if (verbose > 2)
268                 rprintf(FINFO,"got file_sum\n");
269         if (fd != -1 && memcmp(file_sum1, file_sum2, MD4_SUM_LENGTH) != 0)
270                 return 0;
271         return 1;
272 }
273
274
275 static void discard_receive_data(int f_in, OFF_T length)
276 {
277         receive_data(f_in, NULL, -1, 0, NULL, -1, length);
278 }
279
280 static void handle_delayed_updates(char *local_name)
281 {
282         char *fname, *partialptr;
283         int ndx;
284
285         for (ndx = -1; (ndx = bitbag_next_bit(delayed_bits, ndx)) >= 0; ) {
286                 struct file_struct *file = cur_flist->files[ndx];
287                 fname = local_name ? local_name : f_name(file, NULL);
288                 if ((partialptr = partial_dir_fname(fname)) != NULL) {
289                         if (make_backups > 0 && !make_backup(fname))
290                                 continue;
291                         if (verbose > 2) {
292                                 rprintf(FINFO, "renaming %s to %s\n",
293                                         partialptr, fname);
294                         }
295                         /* We don't use robust_rename() here because the
296                          * partial-dir must be on the same drive. */
297                         if (do_rename(partialptr, fname) < 0) {
298                                 rsyserr(FERROR, errno,
299                                         "rename failed for %s (from %s)",
300                                         full_fname(fname), partialptr);
301                         } else {
302                                 if (remove_source_files
303                                  || (preserve_hard_links && F_IS_HLINKED(file)))
304                                         send_msg_int(MSG_SUCCESS, ndx);
305                                 handle_partial_dir(partialptr, PDIR_DELETE);
306                         }
307                 }
308         }
309 }
310
311 static int get_next_gen_ndx(int fd, int next_gen_ndx, int desired_ndx)
312 {
313         while (next_gen_ndx < desired_ndx) {
314                 if (next_gen_ndx >= 0) {
315                         rprintf(FINFO,
316                                 "(No batched update for%s \"%s\")\n",
317                                 phase ? " resend of" : "",
318                                 f_name(cur_flist->files[next_gen_ndx], NULL));
319                 }
320                 next_gen_ndx = read_int(fd);
321                 if (next_gen_ndx == -1) {
322                         if (incremental)
323                                 next_gen_ndx = first_flist->prev->count + first_flist->prev->ndx_start;
324                         else
325                                 next_gen_ndx = cur_flist->count;
326                 }
327         }
328         return next_gen_ndx;
329 }
330
331 /**
332  * main routine for receiver process.
333  *
334  * Receiver process runs on the same host as the generator process. */
335 int recv_files(int f_in, char *local_name)
336 {
337         int next_gen_ndx = -1;
338         int fd1,fd2;
339         STRUCT_STAT st;
340         int iflags, xlen;
341         char *fname, fbuf[MAXPATHLEN];
342         char xname[MAXPATHLEN];
343         char fnametmp[MAXPATHLEN];
344         char *fnamecmp, *partialptr;
345         char fnamecmpbuf[MAXPATHLEN];
346         uchar fnamecmp_type;
347         struct file_struct *file;
348         struct stats initial_stats;
349         int itemizing = am_server ? logfile_format_has_i : stdout_format_has_i;
350         enum logcode log_code = log_before_transfer ? FLOG : FINFO;
351         int max_phase = protocol_version >= 29 ? 2 : 1;
352         int ndx, recv_ok;
353
354         if (verbose > 2)
355                 rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->count);
356
357         if (delay_updates)
358                 delayed_bits = bitbag_create(cur_flist->count + 1);
359
360         updating_basis = inplace;
361
362         while (1) {
363                 cleanup_disable();
364
365                 /* This call also sets cur_flist. */
366                 ndx = read_ndx_and_attrs(f_in, -1, &iflags,
367                                          &fnamecmp_type, xname, &xlen);
368                 if (ndx == NDX_DONE) {
369                         if (incremental && first_flist) {
370                                 flist_free(first_flist);
371                                 if (first_flist)
372                                         continue;
373                         }
374                         if (read_batch && cur_flist) {
375                                 int high = incremental
376                                     ? first_flist->prev->count + first_flist->prev->ndx_start
377                                     : cur_flist->count;
378                                 get_next_gen_ndx(batch_gen_fd, next_gen_ndx, high);
379                                 next_gen_ndx = -1;
380                         }
381                         if (++phase > max_phase)
382                                 break;
383                         if (verbose > 2)
384                                 rprintf(FINFO, "recv_files phase=%d\n", phase);
385                         if (phase == 2 && delay_updates)
386                                 handle_delayed_updates(local_name);
387                         send_msg(MSG_DONE, "", 0);
388                         continue;
389                 }
390
391                 file = cur_flist->files[ndx - cur_flist->ndx_start];
392                 fname = local_name ? local_name : f_name(file, fbuf);
393
394                 if (verbose > 2)
395                         rprintf(FINFO, "recv_files(%s)\n", fname);
396
397                 if (!(iflags & ITEM_TRANSFER)) {
398                         maybe_log_item(file, iflags, itemizing, xname);
399                         continue;
400                 }
401                 if (phase == 2) {
402                         rprintf(FERROR,
403                                 "got transfer request in phase 2 [%s]\n",
404                                 who_am_i());
405                         exit_cleanup(RERR_PROTOCOL);
406                 }
407
408                 if (file->flags & FLAG_FILE_SENT) {
409                         if (csum_length == SHORT_SUM_LENGTH) {
410                                 if (keep_partial && !partial_dir)
411                                         make_backups = -make_backups; /* prevents double backup */
412                                 append_mode = -append_mode;
413                                 sparse_files = -sparse_files;
414                                 csum_length = SUM_LENGTH;
415                         }
416                 } else {
417                         if (csum_length != SHORT_SUM_LENGTH) {
418                                 if (keep_partial && !partial_dir)
419                                         make_backups = -make_backups;
420                                 append_mode = -append_mode;
421                                 sparse_files = -sparse_files;
422                                 csum_length = SHORT_SUM_LENGTH;
423                         }
424                 }
425
426                 stats.current_file_index = ndx;
427                 stats.num_transferred_files++;
428                 stats.total_transferred_size += F_LENGTH(file);
429                 cleanup_got_literal = 0;
430
431                 if (server_filter_list.head
432                     && check_filter(&server_filter_list, fname, 0) < 0) {
433                         rprintf(FERROR, "attempt to hack rsync failed.\n");
434                         exit_cleanup(RERR_PROTOCOL);
435                 }
436
437                 if (!do_xfers) { /* log the transfer */
438                         log_item(FCLIENT, file, &stats, iflags, NULL);
439                         if (read_batch)
440                                 discard_receive_data(f_in, F_LENGTH(file));
441                         continue;
442                 }
443                 if (write_batch < 0) {
444                         log_item(FINFO, file, &stats, iflags, NULL);
445                         if (!am_server)
446                                 discard_receive_data(f_in, F_LENGTH(file));
447                         continue;
448                 }
449
450                 if (read_batch) {
451                         next_gen_ndx = get_next_gen_ndx(batch_gen_fd, next_gen_ndx, ndx);
452                         if (ndx < next_gen_ndx) {
453                                 rprintf(FINFO,
454                                         "(Skipping batched update for \"%s\")\n",
455                                         fname);
456                                 discard_receive_data(f_in, F_LENGTH(file));
457                                 continue;
458                         }
459                         next_gen_ndx = -1;
460                 }
461
462                 partialptr = partial_dir ? partial_dir_fname(fname) : fname;
463
464                 if (protocol_version >= 29) {
465                         switch (fnamecmp_type) {
466                         case FNAMECMP_FNAME:
467                                 fnamecmp = fname;
468                                 break;
469                         case FNAMECMP_PARTIAL_DIR:
470                                 fnamecmp = partialptr;
471                                 break;
472                         case FNAMECMP_BACKUP:
473                                 fnamecmp = get_backup_name(fname);
474                                 break;
475                         case FNAMECMP_FUZZY:
476                                 updating_basis = 0;
477                                 if (file->dirname) {
478                                         pathjoin(fnamecmpbuf, MAXPATHLEN,
479                                                  file->dirname, xname);
480                                         fnamecmp = fnamecmpbuf;
481                                 } else
482                                         fnamecmp = xname;
483                                 break;
484                         default:
485                                 updating_basis = 0;
486                                 if (fnamecmp_type >= basis_dir_cnt) {
487                                         rprintf(FERROR,
488                                                 "invalid basis_dir index: %d.\n",
489                                                 fnamecmp_type);
490                                         exit_cleanup(RERR_PROTOCOL);
491                                 }
492                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
493                                          basis_dir[fnamecmp_type], fname);
494                                 fnamecmp = fnamecmpbuf;
495                                 break;
496                         }
497                         if (!fnamecmp || (server_filter_list.head
498                           && check_filter(&server_filter_list, fname, 0) < 0))
499                                 fnamecmp = fname;
500                 } else {
501                         /* Reminder: --inplace && --partial-dir are never
502                          * enabled at the same time. */
503                         if (inplace && make_backups > 0) {
504                                 if (!(fnamecmp = get_backup_name(fname)))
505                                         fnamecmp = fname;
506                         } else if (partial_dir && partialptr)
507                                 fnamecmp = partialptr;
508                         else
509                                 fnamecmp = fname;
510                 }
511
512                 initial_stats = stats;
513
514                 /* open the file */
515                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
516
517                 if (fd1 == -1 && protocol_version < 29) {
518                         if (fnamecmp != fname) {
519                                 fnamecmp = fname;
520                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
521                         }
522
523                         if (fd1 == -1 && basis_dir[0]) {
524                                 /* pre-29 allowed only one alternate basis */
525                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
526                                          basis_dir[0], fname);
527                                 fnamecmp = fnamecmpbuf;
528                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
529                         }
530                 }
531
532                 if (fd1 == -1) {
533                         st.st_mode = 0;
534                         st.st_size = 0;
535                 } else if (do_fstat(fd1,&st) != 0) {
536                         rsyserr(FERROR, errno, "fstat %s failed",
537                                 full_fname(fnamecmp));
538                         discard_receive_data(f_in, F_LENGTH(file));
539                         close(fd1);
540                         continue;
541                 }
542
543                 if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
544                         /* this special handling for directories
545                          * wouldn't be necessary if robust_rename()
546                          * and the underlying robust_unlink could cope
547                          * with directories
548                          */
549                         rprintf(FERROR,"recv_files: %s is a directory\n",
550                                 full_fname(fnamecmp));
551                         discard_receive_data(f_in, F_LENGTH(file));
552                         close(fd1);
553                         continue;
554                 }
555
556                 if (fd1 != -1 && !S_ISREG(st.st_mode)) {
557                         close(fd1);
558                         fd1 = -1;
559                 }
560
561                 /* If we're not preserving permissions, change the file-list's
562                  * mode based on the local permissions and some heuristics. */
563                 if (!preserve_perms) {
564                         int exists = fd1 != -1;
565                         file->mode = dest_mode(file->mode, st.st_mode, exists);
566                 }
567
568                 /* We now check to see if we are writing the file "inplace" */
569                 if (inplace)  {
570                         fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600);
571                         if (fd2 == -1) {
572                                 rsyserr(FERROR, errno, "open %s failed",
573                                         full_fname(fname));
574                                 discard_receive_data(f_in, F_LENGTH(file));
575                                 if (fd1 != -1)
576                                         close(fd1);
577                                 continue;
578                         }
579                 } else {
580                         if (!get_tmpname(fnametmp,fname)) {
581                                 discard_receive_data(f_in, F_LENGTH(file));
582                                 if (fd1 != -1)
583                                         close(fd1);
584                                 continue;
585                         }
586
587                         /* we initially set the perms without the
588                          * setuid/setgid bits to ensure that there is no race
589                          * condition. They are then correctly updated after
590                          * the lchown. Thanks to snabb@epipe.fi for pointing
591                          * this out.  We also set it initially without group
592                          * access because of a similar race condition. */
593                         fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
594
595                         /* in most cases parent directories will already exist
596                          * because their information should have been previously
597                          * transferred, but that may not be the case with -R */
598                         if (fd2 == -1 && relative_paths && errno == ENOENT
599                             && create_directory_path(fnametmp) == 0) {
600                                 /* Get back to name with XXXXXX in it. */
601                                 get_tmpname(fnametmp, fname);
602                                 fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
603                         }
604                         if (fd2 == -1) {
605                                 rsyserr(FERROR, errno, "mkstemp %s failed",
606                                         full_fname(fnametmp));
607                                 discard_receive_data(f_in, F_LENGTH(file));
608                                 if (fd1 != -1)
609                                         close(fd1);
610                                 continue;
611                         }
612
613                         cleanup_set(fnametmp, partialptr, file, fd1, fd2);
614                 }
615
616                 /* log the transfer */
617                 if (log_before_transfer)
618                         log_item(FCLIENT, file, &initial_stats, iflags, NULL);
619                 else if (!am_server && verbose && do_progress)
620                         rprintf(FINFO, "%s\n", fname);
621
622                 /* recv file data */
623                 recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
624                                        fname, fd2, F_LENGTH(file));
625
626                 log_item(log_code, file, &initial_stats, iflags, NULL);
627
628                 if (fd1 != -1)
629                         close(fd1);
630                 if (close(fd2) < 0) {
631                         rsyserr(FERROR, errno, "close failed on %s",
632                                 full_fname(fnametmp));
633                         exit_cleanup(RERR_FILEIO);
634                 }
635
636                 if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
637                         char *temp_copy_name;
638                         if (partialptr == fname)
639                                 partialptr = temp_copy_name = NULL;
640                         else if (*partial_dir == '/')
641                                 temp_copy_name = NULL;
642                         else
643                                 temp_copy_name = partialptr;
644                         finish_transfer(fname, fnametmp, temp_copy_name,
645                                         file, recv_ok, 1);
646                         if (fnamecmp == partialptr) {
647                                 do_unlink(partialptr);
648                                 handle_partial_dir(partialptr, PDIR_DELETE);
649                         }
650                 } else if (keep_partial && partialptr
651                     && handle_partial_dir(partialptr, PDIR_CREATE)) {
652                         finish_transfer(partialptr, fnametmp, NULL,
653                                         file, recv_ok, !partial_dir);
654                         if (delay_updates && recv_ok) {
655                                 bitbag_set_bit(delayed_bits, ndx);
656                                 recv_ok = -1;
657                         }
658                 } else {
659                         partialptr = NULL;
660                         do_unlink(fnametmp);
661                 }
662
663                 cleanup_disable();
664
665                 if (recv_ok > 0) {
666                         if (remove_source_files || incremental
667                          || (preserve_hard_links && F_IS_HLINKED(file)))
668                                 send_msg_int(MSG_SUCCESS, ndx);
669                 } else if (!recv_ok) {
670                         enum logcode msgtype = phase || read_batch ? FERROR : FINFO;
671                         if (msgtype == FERROR || verbose) {
672                                 char *errstr, *redostr, *keptstr;
673                                 if (!(keep_partial && partialptr) && !inplace)
674                                         keptstr = "discarded";
675                                 else if (partial_dir)
676                                         keptstr = "put into partial-dir";
677                                 else
678                                         keptstr = "retained";
679                                 if (msgtype == FERROR) {
680                                         errstr = "ERROR";
681                                         redostr = "";
682                                 } else {
683                                         errstr = "WARNING";
684                                         redostr = " (will try again)";
685                                 }
686                                 rprintf(msgtype,
687                                         "%s: %s failed verification -- update %s%s.\n",
688                                         errstr, fname, keptstr, redostr);
689                         }
690                         if (!phase || incremental) {
691                                 send_msg_int(MSG_REDO, ndx);
692                                 file->flags |= FLAG_FILE_SENT;
693                         }
694                 }
695         }
696         if (make_backups < 0)
697                 make_backups = -make_backups;
698
699         if (phase == 2 && delay_updates) /* for protocol_version < 29 */
700                 handle_delayed_updates(local_name);
701
702         if (verbose > 2)
703                 rprintf(FINFO,"recv_files finished\n");
704
705         return 0;
706 }