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