Changed the variable "incremental" to "inc_recurse".
[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 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 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 *tmpdir;
53 extern char *partial_dir;
54 extern char *basis_dir[];
55 extern struct file_list *cur_flist, *first_flist;
56 extern struct filter_list_struct server_filter_list;
57
58 static struct bitbag *delayed_bits = NULL;
59 static int phase = 0, redoing = 0;
60 /* We're either updating the basis file or an identical copy: */
61 static int updating_basis;
62
63 /*
64  * get_tmpname() - create a tmp filename for a given filename
65  *
66  *   If a tmpdir is defined, use that as the directory to
67  *   put it in.  Otherwise, the tmp filename is in the same
68  *   directory as the given name.  Note that there may be no
69  *   directory at all in the given name!
70  *
71  *   The tmp filename is basically the given filename with a
72  *   dot prepended, and .XXXXXX appended (for mkstemp() to
73  *   put its unique gunk in).  Take care to not exceed
74  *   either the MAXPATHLEN or NAME_MAX, esp. the last, as
75  *   the basename basically becomes 8 chars longer. In that
76  *   case, the original name is shortened sufficiently to
77  *   make it all fit.
78  *
79  *   Of course, there's no real reason for the tmp name to
80  *   look like the original, except to satisfy us humans.
81  *   As long as it's unique, rsync will work.
82  */
83
84 int get_tmpname(char *fnametmp, char *fname)
85 {
86         int maxname, added, length = 0;
87         char *f;
88
89         if (tmpdir) {
90                 /* Note: this can't overflow, so the return value is safe */
91                 length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
92                 fnametmp[length++] = '/';
93         }
94
95         if ((f = strrchr(fname, '/')) != NULL) {
96                 ++f;
97                 if (!tmpdir) {
98                         length = f - fname;
99                         /* copy up to and including the slash */
100                         strlcpy(fnametmp, fname, length + 1);
101                 }
102         } else
103                 f = fname;
104         fnametmp[length++] = '.';
105
106         /* The maxname value is bufsize, and includes space for the '\0'.
107          * (Note that NAME_MAX get -8 for the leading '.' above.) */
108         maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
109
110         if (maxname < 1) {
111                 rprintf(FERROR, "temporary filename too long: %s\n", fname);
112                 fnametmp[0] = '\0';
113                 return 0;
114         }
115
116         added = strlcpy(fnametmp + length, f, maxname);
117         if (added >= maxname)
118                 added = maxname - 1;
119         memcpy(fnametmp + length + added, ".XXXXXX", 8);
120
121         return 1;
122 }
123
124
125 static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
126                         char *fname, int fd, OFF_T total_size)
127 {
128         static char file_sum1[MD4_SUM_LENGTH];
129         static char file_sum2[MD4_SUM_LENGTH];
130         struct map_struct *mapbuf;
131         struct sum_struct sum;
132         int32 len;
133         OFF_T offset = 0;
134         OFF_T offset2;
135         char *data;
136         int32 i;
137         char *map = NULL;
138
139         read_sum_head(f_in, &sum);
140
141         if (fd_r >= 0 && size_r > 0) {
142                 int32 read_size = MAX(sum.blength * 2, 16*1024);
143                 mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
144                 if (verbose > 2) {
145                         rprintf(FINFO, "recv mapped %s of size %.0f\n",
146                                 fname_r, (double)size_r);
147                 }
148         } else
149                 mapbuf = NULL;
150
151         sum_init(checksum_seed);
152
153         if (append_mode > 0) {
154                 OFF_T j;
155                 sum.flength = (OFF_T)sum.count * sum.blength;
156                 if (sum.remainder)
157                         sum.flength -= sum.blength - sum.remainder;
158                 for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
159                         if (do_progress)
160                                 show_progress(offset, total_size);
161                         sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
162                                    CHUNK_SIZE);
163                         offset = j;
164                 }
165                 if (offset < sum.flength) {
166                         int32 len = (int32)(sum.flength - offset);
167                         if (do_progress)
168                                 show_progress(offset, total_size);
169                         sum_update(map_ptr(mapbuf, offset, len), len);
170                         offset = sum.flength;
171                 }
172                 if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) {
173                         rsyserr(FERROR, errno, "lseek of %s returned %.0f, not %.0f",
174                                 full_fname(fname), (double)j, (double)offset);
175                         exit_cleanup(RERR_FILEIO);
176                 }
177         }
178
179         while ((i = recv_token(f_in, &data)) != 0) {
180                 if (do_progress)
181                         show_progress(offset, total_size);
182
183                 if (i > 0) {
184                         if (verbose > 3) {
185                                 rprintf(FINFO,"data recv %d at %.0f\n",
186                                         i,(double)offset);
187                         }
188
189                         stats.literal_data += i;
190                         cleanup_got_literal = 1;
191
192                         sum_update(data, i);
193
194                         if (fd != -1 && write_file(fd,data,i) != i)
195                                 goto report_write_error;
196                         offset += i;
197                         continue;
198                 }
199
200                 i = -(i+1);
201                 offset2 = i * (OFF_T)sum.blength;
202                 len = sum.blength;
203                 if (i == (int)sum.count-1 && sum.remainder != 0)
204                         len = sum.remainder;
205
206                 stats.matched_data += len;
207
208                 if (verbose > 3) {
209                         rprintf(FINFO,
210                                 "chunk[%d] of size %ld at %.0f offset=%.0f\n",
211                                 i, (long)len, (double)offset2, (double)offset);
212                 }
213
214                 if (mapbuf) {
215                         map = map_ptr(mapbuf,offset2,len);
216
217                         see_token(map, len);
218                         sum_update(map, len);
219                 }
220
221                 if (updating_basis) {
222                         if (offset == offset2 && fd != -1) {
223                                 OFF_T pos;
224                                 if (flush_write_file(fd) < 0)
225                                         goto report_write_error;
226                                 offset += len;
227                                 if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) {
228                                         rsyserr(FERROR, errno,
229                                                 "lseek of %s returned %.0f, not %.0f",
230                                                 full_fname(fname),
231                                                 (double)pos, (double)offset);
232                                         exit_cleanup(RERR_FILEIO);
233                                 }
234                                 continue;
235                         }
236                 }
237                 if (fd != -1 && map && write_file(fd, map, len) != (int)len)
238                         goto report_write_error;
239                 offset += len;
240         }
241
242         if (flush_write_file(fd) < 0)
243                 goto report_write_error;
244
245 #ifdef HAVE_FTRUNCATE
246         if (inplace && fd != -1)
247                 ftruncate(fd, offset);
248 #endif
249
250         if (do_progress)
251                 end_progress(total_size);
252
253         if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
254             report_write_error:
255                 rsyserr(FERROR, errno, "write failed on %s",
256                         full_fname(fname));
257                 exit_cleanup(RERR_FILEIO);
258         }
259
260         sum_end(file_sum1);
261
262         if (mapbuf)
263                 unmap_file(mapbuf);
264
265         read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
266         if (verbose > 2)
267                 rprintf(FINFO,"got file_sum\n");
268         if (fd != -1 && memcmp(file_sum1, file_sum2, MD4_SUM_LENGTH) != 0)
269                 return 0;
270         return 1;
271 }
272
273
274 static void discard_receive_data(int f_in, OFF_T length)
275 {
276         receive_data(f_in, NULL, -1, 0, NULL, -1, length);
277 }
278
279 static void handle_delayed_updates(char *local_name)
280 {
281         char *fname, *partialptr;
282         int ndx;
283
284         for (ndx = -1; (ndx = bitbag_next_bit(delayed_bits, ndx)) >= 0; ) {
285                 struct file_struct *file = cur_flist->files[ndx];
286                 fname = local_name ? local_name : f_name(file, NULL);
287                 if ((partialptr = partial_dir_fname(fname)) != NULL) {
288                         if (make_backups > 0 && !make_backup(fname))
289                                 continue;
290                         if (verbose > 2) {
291                                 rprintf(FINFO, "renaming %s to %s\n",
292                                         partialptr, fname);
293                         }
294                         /* We don't use robust_rename() here because the
295                          * partial-dir must be on the same drive. */
296                         if (do_rename(partialptr, fname) < 0) {
297                                 rsyserr(FERROR, errno,
298                                         "rename failed for %s (from %s)",
299                                         full_fname(fname), partialptr);
300                         } else {
301                                 if (remove_source_files
302                                  || (preserve_hard_links && F_IS_HLINKED(file)))
303                                         send_msg_int(MSG_SUCCESS, ndx);
304                                 handle_partial_dir(partialptr, PDIR_DELETE);
305                         }
306                 }
307         }
308 }
309
310 static int get_next_gen_ndx(int fd, int next_gen_ndx, int desired_ndx)
311 {
312         while (next_gen_ndx < desired_ndx) {
313                 if (next_gen_ndx >= 0) {
314                         rprintf(FINFO,
315                                 "(No batched update for%s \"%s\")\n",
316                                 redoing ? " resend of" : "",
317                                 f_name(cur_flist->files[next_gen_ndx], NULL));
318                 }
319                 next_gen_ndx = read_int(fd);
320                 if (next_gen_ndx == -1) {
321                         if (inc_recurse)
322                                 next_gen_ndx = first_flist->prev->count + first_flist->prev->ndx_start;
323                         else
324                                 next_gen_ndx = cur_flist->count;
325                 }
326         }
327         return next_gen_ndx;
328 }
329
330 /**
331  * main routine for receiver process.
332  *
333  * Receiver process runs on the same host as the generator process. */
334 int recv_files(int f_in, char *local_name)
335 {
336         int next_gen_ndx = -1;
337         int fd1,fd2;
338         STRUCT_STAT st;
339         int iflags, xlen;
340         char *fname, fbuf[MAXPATHLEN];
341         char xname[MAXPATHLEN];
342         char fnametmp[MAXPATHLEN];
343         char *fnamecmp, *partialptr;
344         char fnamecmpbuf[MAXPATHLEN];
345         uchar fnamecmp_type;
346         struct file_struct *file;
347         struct stats initial_stats;
348         int itemizing = am_server ? logfile_format_has_i : stdout_format_has_i;
349         enum logcode log_code = log_before_transfer ? FLOG : FINFO;
350         int max_phase = protocol_version >= 29 ? 2 : 1;
351         int ndx, recv_ok;
352
353         if (verbose > 2)
354                 rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->count);
355
356         if (delay_updates)
357                 delayed_bits = bitbag_create(cur_flist->count + 1);
358
359         updating_basis = inplace;
360
361         while (1) {
362                 cleanup_disable();
363
364                 /* This call also sets cur_flist. */
365                 ndx = read_ndx_and_attrs(f_in, -1, &iflags,
366                                          &fnamecmp_type, xname, &xlen);
367                 if (ndx == NDX_DONE) {
368                         if (inc_recurse && first_flist) {
369                                 flist_free(first_flist);
370                                 if (first_flist)
371                                         continue;
372                         }
373                         if (read_batch && cur_flist) {
374                                 int high = inc_recurse
375                                     ? first_flist->prev->count + first_flist->prev->ndx_start
376                                     : cur_flist->count;
377                                 get_next_gen_ndx(batch_gen_fd, next_gen_ndx, high);
378                                 next_gen_ndx = -1;
379                         }
380                         if (++phase > max_phase)
381                                 break;
382                         if (verbose > 2)
383                                 rprintf(FINFO, "recv_files phase=%d\n", phase);
384                         if (phase == 2 && delay_updates)
385                                 handle_delayed_updates(local_name);
386                         send_msg(MSG_DONE, "", 0);
387                         continue;
388                 }
389
390                 file = cur_flist->files[ndx - cur_flist->ndx_start];
391                 fname = local_name ? local_name : f_name(file, fbuf);
392
393                 if (verbose > 2)
394                         rprintf(FINFO, "recv_files(%s)\n", fname);
395
396                 if (!(iflags & ITEM_TRANSFER)) {
397                         maybe_log_item(file, iflags, itemizing, xname);
398                         continue;
399                 }
400                 if (phase == 2) {
401                         rprintf(FERROR,
402                                 "got transfer request in phase 2 [%s]\n",
403                                 who_am_i());
404                         exit_cleanup(RERR_PROTOCOL);
405                 }
406
407                 if (file->flags & FLAG_FILE_SENT) {
408                         if (csum_length == SHORT_SUM_LENGTH) {
409                                 if (keep_partial && !partial_dir)
410                                         make_backups = -make_backups; /* prevents double backup */
411                                 append_mode = -append_mode;
412                                 sparse_files = -sparse_files;
413                                 csum_length = SUM_LENGTH;
414                                 redoing = 1;
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                                 redoing = 0;
424                         }
425                 }
426
427                 stats.current_file_index = ndx;
428                 stats.num_transferred_files++;
429                 stats.total_transferred_size += F_LENGTH(file);
430                 cleanup_got_literal = 0;
431
432                 if (server_filter_list.head
433                     && check_filter(&server_filter_list, fname, 0) < 0) {
434                         rprintf(FERROR, "attempt to hack rsync failed.\n");
435                         exit_cleanup(RERR_PROTOCOL);
436                 }
437
438                 if (!do_xfers) { /* log the transfer */
439                         log_item(FCLIENT, file, &stats, iflags, NULL);
440                         if (read_batch)
441                                 discard_receive_data(f_in, F_LENGTH(file));
442                         continue;
443                 }
444                 if (write_batch < 0) {
445                         log_item(FINFO, file, &stats, iflags, NULL);
446                         if (!am_server)
447                                 discard_receive_data(f_in, F_LENGTH(file));
448                         continue;
449                 }
450
451                 if (read_batch) {
452                         next_gen_ndx = get_next_gen_ndx(batch_gen_fd, next_gen_ndx, ndx);
453                         if (ndx < next_gen_ndx) {
454                                 rprintf(FINFO,
455                                         "(Skipping batched update for \"%s\")\n",
456                                         fname);
457                                 discard_receive_data(f_in, F_LENGTH(file));
458                                 continue;
459                         }
460                         next_gen_ndx = -1;
461                 }
462
463                 partialptr = partial_dir ? partial_dir_fname(fname) : fname;
464
465                 if (protocol_version >= 29) {
466                         switch (fnamecmp_type) {
467                         case FNAMECMP_FNAME:
468                                 fnamecmp = fname;
469                                 break;
470                         case FNAMECMP_PARTIAL_DIR:
471                                 fnamecmp = partialptr;
472                                 break;
473                         case FNAMECMP_BACKUP:
474                                 fnamecmp = get_backup_name(fname);
475                                 break;
476                         case FNAMECMP_FUZZY:
477                                 updating_basis = 0;
478                                 if (file->dirname) {
479                                         pathjoin(fnamecmpbuf, MAXPATHLEN,
480                                                  file->dirname, xname);
481                                         fnamecmp = fnamecmpbuf;
482                                 } else
483                                         fnamecmp = xname;
484                                 break;
485                         default:
486                                 updating_basis = 0;
487                                 if (fnamecmp_type >= basis_dir_cnt) {
488                                         rprintf(FERROR,
489                                                 "invalid basis_dir index: %d.\n",
490                                                 fnamecmp_type);
491                                         exit_cleanup(RERR_PROTOCOL);
492                                 }
493                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
494                                          basis_dir[fnamecmp_type], fname);
495                                 fnamecmp = fnamecmpbuf;
496                                 break;
497                         }
498                         if (!fnamecmp || (server_filter_list.head
499                           && check_filter(&server_filter_list, fname, 0) < 0))
500                                 fnamecmp = fname;
501                 } else {
502                         /* Reminder: --inplace && --partial-dir are never
503                          * enabled at the same time. */
504                         if (inplace && make_backups > 0) {
505                                 if (!(fnamecmp = get_backup_name(fname)))
506                                         fnamecmp = fname;
507                         } else if (partial_dir && partialptr)
508                                 fnamecmp = partialptr;
509                         else
510                                 fnamecmp = fname;
511                 }
512
513                 initial_stats = stats;
514
515                 /* open the file */
516                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
517
518                 if (fd1 == -1 && protocol_version < 29) {
519                         if (fnamecmp != fname) {
520                                 fnamecmp = fname;
521                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
522                         }
523
524                         if (fd1 == -1 && basis_dir[0]) {
525                                 /* pre-29 allowed only one alternate basis */
526                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
527                                          basis_dir[0], fname);
528                                 fnamecmp = fnamecmpbuf;
529                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
530                         }
531                 }
532
533                 if (fd1 == -1) {
534                         st.st_mode = 0;
535                         st.st_size = 0;
536                 } else if (do_fstat(fd1,&st) != 0) {
537                         rsyserr(FERROR, errno, "fstat %s failed",
538                                 full_fname(fnamecmp));
539                         discard_receive_data(f_in, F_LENGTH(file));
540                         close(fd1);
541                         continue;
542                 }
543
544                 if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
545                         /* this special handling for directories
546                          * wouldn't be necessary if robust_rename()
547                          * and the underlying robust_unlink could cope
548                          * with directories
549                          */
550                         rprintf(FERROR,"recv_files: %s is a directory\n",
551                                 full_fname(fnamecmp));
552                         discard_receive_data(f_in, F_LENGTH(file));
553                         close(fd1);
554                         continue;
555                 }
556
557                 if (fd1 != -1 && !S_ISREG(st.st_mode)) {
558                         close(fd1);
559                         fd1 = -1;
560                 }
561
562                 /* If we're not preserving permissions, change the file-list's
563                  * mode based on the local permissions and some heuristics. */
564                 if (!preserve_perms) {
565                         int exists = fd1 != -1;
566                         file->mode = dest_mode(file->mode, st.st_mode, exists);
567                 }
568
569                 /* We now check to see if we are writing the file "inplace" */
570                 if (inplace)  {
571                         fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600);
572                         if (fd2 == -1) {
573                                 rsyserr(FERROR, errno, "open %s failed",
574                                         full_fname(fname));
575                                 discard_receive_data(f_in, F_LENGTH(file));
576                                 if (fd1 != -1)
577                                         close(fd1);
578                                 continue;
579                         }
580                 } else {
581                         if (!get_tmpname(fnametmp,fname)) {
582                                 discard_receive_data(f_in, F_LENGTH(file));
583                                 if (fd1 != -1)
584                                         close(fd1);
585                                 continue;
586                         }
587
588                         /* we initially set the perms without the
589                          * setuid/setgid bits to ensure that there is no race
590                          * condition. They are then correctly updated after
591                          * the lchown. Thanks to snabb@epipe.fi for pointing
592                          * this out.  We also set it initially without group
593                          * access because of a similar race condition. */
594                         fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
595
596                         /* in most cases parent directories will already exist
597                          * because their information should have been previously
598                          * transferred, but that may not be the case with -R */
599                         if (fd2 == -1 && relative_paths && errno == ENOENT
600                             && create_directory_path(fnametmp) == 0) {
601                                 /* Get back to name with XXXXXX in it. */
602                                 get_tmpname(fnametmp, fname);
603                                 fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
604                         }
605                         if (fd2 == -1) {
606                                 rsyserr(FERROR, errno, "mkstemp %s failed",
607                                         full_fname(fnametmp));
608                                 discard_receive_data(f_in, F_LENGTH(file));
609                                 if (fd1 != -1)
610                                         close(fd1);
611                                 continue;
612                         }
613
614                         cleanup_set(fnametmp, partialptr, file, fd1, fd2);
615                 }
616
617                 /* log the transfer */
618                 if (log_before_transfer)
619                         log_item(FCLIENT, file, &initial_stats, iflags, NULL);
620                 else if (!am_server && verbose && do_progress)
621                         rprintf(FINFO, "%s\n", fname);
622
623                 /* recv file data */
624                 recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
625                                        fname, fd2, F_LENGTH(file));
626
627                 log_item(log_code, file, &initial_stats, iflags, NULL);
628
629                 if (fd1 != -1)
630                         close(fd1);
631                 if (close(fd2) < 0) {
632                         rsyserr(FERROR, errno, "close failed on %s",
633                                 full_fname(fnametmp));
634                         exit_cleanup(RERR_FILEIO);
635                 }
636
637                 if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
638                         char *temp_copy_name;
639                         if (partialptr == fname)
640                                 partialptr = temp_copy_name = NULL;
641                         else if (*partial_dir == '/')
642                                 temp_copy_name = NULL;
643                         else
644                                 temp_copy_name = partialptr;
645                         finish_transfer(fname, fnametmp, temp_copy_name,
646                                         file, recv_ok, 1);
647                         if (fnamecmp == partialptr) {
648                                 do_unlink(partialptr);
649                                 handle_partial_dir(partialptr, PDIR_DELETE);
650                         }
651                 } else if (keep_partial && partialptr
652                     && handle_partial_dir(partialptr, PDIR_CREATE)) {
653                         finish_transfer(partialptr, fnametmp, NULL,
654                                         file, recv_ok, !partial_dir);
655                         if (delay_updates && recv_ok) {
656                                 bitbag_set_bit(delayed_bits, ndx);
657                                 recv_ok = -1;
658                         }
659                 } else {
660                         partialptr = NULL;
661                         do_unlink(fnametmp);
662                 }
663
664                 cleanup_disable();
665
666                 if (recv_ok > 0) {
667                         if (remove_source_files || inc_recurse
668                          || (preserve_hard_links && F_IS_HLINKED(file)))
669                                 send_msg_int(MSG_SUCCESS, ndx);
670                 } else if (!recv_ok) {
671                         enum logcode msgtype = redoing || read_batch ? FERROR : FINFO;
672                         if (msgtype == FERROR || verbose) {
673                                 char *errstr, *redostr, *keptstr;
674                                 if (!(keep_partial && partialptr) && !inplace)
675                                         keptstr = "discarded";
676                                 else if (partial_dir)
677                                         keptstr = "put into partial-dir";
678                                 else
679                                         keptstr = "retained";
680                                 if (msgtype == FERROR) {
681                                         errstr = "ERROR";
682                                         redostr = "";
683                                 } else {
684                                         errstr = "WARNING";
685                                         redostr = " (will try again)";
686                                 }
687                                 rprintf(msgtype,
688                                         "%s: %s failed verification -- update %s%s.\n",
689                                         errstr, fname, keptstr, redostr);
690                         }
691                         if (!redoing) {
692                                 send_msg_int(MSG_REDO, ndx);
693                                 file->flags |= FLAG_FILE_SENT;
694                         } else if (inc_recurse)
695                                 send_msg_int(MSG_NO_SEND, ndx);
696                 }
697         }
698         if (make_backups < 0)
699                 make_backups = -make_backups;
700
701         if (phase == 2 && delay_updates) /* for protocol_version < 29 */
702                 handle_delayed_updates(local_name);
703
704         if (verbose > 2)
705                 rprintf(FINFO,"recv_files finished\n");
706
707         return 0;
708 }