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[rsync.git] / receiver.c
1 /* -*- c-file-style: "linux" -*-
2
3    Copyright (C) 1996-2000 by Andrew Tridgell
4    Copyright (C) Paul Mackerras 1996
5
6    This program is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 2 of the License, or
9    (at your option) any later version.
10
11    This program is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    GNU General Public License for more details.
15
16    You should have received a copy of the GNU General Public License
17    along with this program; if not, write to the Free Software
18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20
21 #include "rsync.h"
22
23 extern int verbose;
24 extern int do_xfers;
25 extern int am_daemon;
26 extern int am_server;
27 extern int do_progress;
28 extern int log_before_transfer;
29 extern int log_format_has_i;
30 extern int daemon_log_format_has_i;
31 extern int csum_length;
32 extern int read_batch;
33 extern int write_batch;
34 extern int batch_gen_fd;
35 extern int protocol_version;
36 extern int relative_paths;
37 extern int keep_dirlinks;
38 extern int preserve_hard_links;
39 extern int preserve_perms;
40 extern int io_error;
41 extern int basis_dir_cnt;
42 extern int make_backups;
43 extern int cleanup_got_literal;
44 extern int remove_sent_files;
45 extern int module_id;
46 extern int ignore_errors;
47 extern int orig_umask;
48 extern int append_mode;
49 extern int sparse_files;
50 extern int keep_partial;
51 extern int checksum_seed;
52 extern int inplace;
53 extern int delay_updates;
54 extern struct stats stats;
55 extern char *log_format;
56 extern char *tmpdir;
57 extern char *partial_dir;
58 extern char *basis_dir[];
59 extern struct file_list *the_file_list;
60 extern struct filter_list_struct server_filter_list;
61
62 #define SLOT_SIZE       (16*1024)       /* Desired size in bytes */
63 #define PER_SLOT_BITS   (SLOT_SIZE * 8) /* Number of bits per slot */
64 #define PER_SLOT_INTS   (SLOT_SIZE / 4) /* Number of int32s per slot */
65
66 static uint32 **delayed_bits = NULL;
67 static int delayed_slot_cnt = 0;
68 static int phase = 0;
69
70 static void init_delayed_bits(int max_ndx)
71 {
72         delayed_slot_cnt = (max_ndx + PER_SLOT_BITS - 1) / PER_SLOT_BITS;
73
74         if (!(delayed_bits = (uint32**)calloc(delayed_slot_cnt, sizeof (uint32*))))
75                 out_of_memory("set_delayed_bit");
76 }
77
78 static void set_delayed_bit(int ndx)
79 {
80         int slot = ndx / PER_SLOT_BITS;
81         ndx %= PER_SLOT_BITS;
82
83         if (!delayed_bits[slot]) {
84                 if (!(delayed_bits[slot] = (uint32*)calloc(PER_SLOT_INTS, 4)))
85                         out_of_memory("set_delayed_bit");
86         }
87
88         delayed_bits[slot][ndx/32] |= 1u << (ndx % 32);
89 }
90
91 /* Call this with -1 to start checking from 0.  Returns -1 at the end. */
92 static int next_delayed_bit(int after)
93 {
94         uint32 bits, mask;
95         int i, ndx = after + 1;
96         int slot = ndx / PER_SLOT_BITS;
97         ndx %= PER_SLOT_BITS;
98
99         mask = (1u << (ndx % 32)) - 1;
100         for (i = ndx / 32; slot < delayed_slot_cnt; slot++, i = mask = 0) {
101                 if (!delayed_bits[slot])
102                         continue;
103                 for ( ; i < PER_SLOT_INTS; i++, mask = 0) {
104                         if (!(bits = delayed_bits[slot][i] & ~mask))
105                                 continue;
106                         /* The xor magic figures out the lowest enabled bit in
107                          * bits, and the switch quickly computes log2(bit). */
108                         switch (bits ^ (bits & (bits-1))) {
109 #define LOG2(n) case 1u << n: return slot*PER_SLOT_BITS + i*32 + n
110                             LOG2(0);  LOG2(1);  LOG2(2);  LOG2(3);
111                             LOG2(4);  LOG2(5);  LOG2(6);  LOG2(7);
112                             LOG2(8);  LOG2(9);  LOG2(10); LOG2(11);
113                             LOG2(12); LOG2(13); LOG2(14); LOG2(15);
114                             LOG2(16); LOG2(17); LOG2(18); LOG2(19);
115                             LOG2(20); LOG2(21); LOG2(22); LOG2(23);
116                             LOG2(24); LOG2(25); LOG2(26); LOG2(27);
117                             LOG2(28); LOG2(29); LOG2(30); LOG2(31);
118                         }
119                         return -1; /* impossible... */
120                 }
121         }
122
123         return -1;
124 }
125
126
127 /*
128  * get_tmpname() - create a tmp filename for a given filename
129  *
130  *   If a tmpdir is defined, use that as the directory to
131  *   put it in.  Otherwise, the tmp filename is in the same
132  *   directory as the given name.  Note that there may be no
133  *   directory at all in the given name!
134  *
135  *   The tmp filename is basically the given filename with a
136  *   dot prepended, and .XXXXXX appended (for mkstemp() to
137  *   put its unique gunk in).  Take care to not exceed
138  *   either the MAXPATHLEN or NAME_MAX, esp. the last, as
139  *   the basename basically becomes 8 chars longer. In that
140  *   case, the original name is shortened sufficiently to
141  *   make it all fit.
142  *
143  *   Of course, there's no real reason for the tmp name to
144  *   look like the original, except to satisfy us humans.
145  *   As long as it's unique, rsync will work.
146  */
147
148 static int get_tmpname(char *fnametmp, char *fname)
149 {
150         char *f;
151         int     length = 0;
152         int     maxname;
153
154         if (tmpdir) {
155                 /* Note: this can't overflow, so the return value is safe */
156                 length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
157                 fnametmp[length++] = '/';
158                 fnametmp[length] = '\0';        /* always NULL terminated */
159         }
160
161         if ((f = strrchr(fname, '/')) != NULL) {
162                 ++f;
163                 if (!tmpdir) {
164                         length = f - fname;
165                         /* copy up to and including the slash */
166                         strlcpy(fnametmp, fname, length + 1);
167                 }
168         } else
169                 f = fname;
170         fnametmp[length++] = '.';
171         fnametmp[length] = '\0';                /* always NULL terminated */
172
173         maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
174
175         if (maxname < 1) {
176                 rprintf(FERROR, "temporary filename too long: %s\n",
177                         safe_fname(fname));
178                 fnametmp[0] = '\0';
179                 return 0;
180         }
181
182         strlcpy(fnametmp + length, f, maxname);
183         strcat(fnametmp + length, ".XXXXXX");
184
185         return 1;
186 }
187
188
189 static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
190                         char *fname, int fd, OFF_T total_size)
191 {
192         static char file_sum1[MD4_SUM_LENGTH];
193         static char file_sum2[MD4_SUM_LENGTH];
194         struct map_struct *mapbuf;
195         struct sum_struct sum;
196         int32 len;
197         OFF_T offset = 0;
198         OFF_T offset2;
199         char *data;
200         int32 i;
201         char *map = NULL;
202
203         read_sum_head(f_in, &sum);
204
205         if (fd_r >= 0 && size_r > 0) {
206                 int32 read_size = MAX(sum.blength * 2, 16*1024);
207                 mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
208                 if (verbose > 2) {
209                         rprintf(FINFO, "recv mapped %s of size %.0f\n",
210                                 safe_fname(fname_r), (double)size_r);
211                 }
212         } else
213                 mapbuf = NULL;
214
215         sum_init(checksum_seed);
216
217         if (append_mode) {
218                 OFF_T j;
219                 sum.flength = (OFF_T)sum.count * sum.blength;
220                 if (sum.remainder)
221                         sum.flength -= sum.blength - sum.remainder;
222                 for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
223                         if (do_progress)
224                                 show_progress(offset, total_size);
225                         sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
226                                    CHUNK_SIZE);
227                         offset = j;
228                 }
229                 if (offset < sum.flength) {
230                         int32 len = sum.flength - offset;
231                         if (do_progress)
232                                 show_progress(offset, total_size);
233                         sum_update(map_ptr(mapbuf, offset, len), len);
234                         offset = sum.flength;
235                 }
236                 if (fd != -1 && do_lseek(fd, offset, SEEK_SET) != offset) {
237                         rsyserr(FERROR, errno, "lseek failed on %s",
238                                 full_fname(fname));
239                         exit_cleanup(RERR_FILEIO);
240                 }
241         }
242
243         while ((i = recv_token(f_in, &data)) != 0) {
244                 if (do_progress)
245                         show_progress(offset, total_size);
246
247                 if (i > 0) {
248                         if (verbose > 3) {
249                                 rprintf(FINFO,"data recv %d at %.0f\n",
250                                         i,(double)offset);
251                         }
252
253                         stats.literal_data += i;
254                         cleanup_got_literal = 1;
255
256                         sum_update(data, i);
257
258                         if (fd != -1 && write_file(fd,data,i) != i)
259                                 goto report_write_error;
260                         offset += i;
261                         continue;
262                 }
263
264                 i = -(i+1);
265                 offset2 = i * (OFF_T)sum.blength;
266                 len = sum.blength;
267                 if (i == (int)sum.count-1 && sum.remainder != 0)
268                         len = sum.remainder;
269
270                 stats.matched_data += len;
271
272                 if (verbose > 3) {
273                         rprintf(FINFO,
274                                 "chunk[%d] of size %ld at %.0f offset=%.0f\n",
275                                 i, (long)len, (double)offset2, (double)offset);
276                 }
277
278                 if (mapbuf) {
279                         map = map_ptr(mapbuf,offset2,len);
280
281                         see_token(map, len);
282                         sum_update(map, len);
283                 }
284
285                 if (inplace) {
286                         if (offset == offset2 && fd != -1) {
287                                 if (flush_write_file(fd) < 0)
288                                         goto report_write_error;
289                                 offset += len;
290                                 if (do_lseek(fd, len, SEEK_CUR) != offset) {
291                                         rsyserr(FERROR, errno,
292                                                 "lseek failed on %s",
293                                                 full_fname(fname));
294                                         exit_cleanup(RERR_FILEIO);
295                                 }
296                                 continue;
297                         }
298                 }
299                 if (fd != -1 && map && write_file(fd, map, len) != (int)len)
300                         goto report_write_error;
301                 offset += len;
302         }
303
304         if (flush_write_file(fd) < 0)
305                 goto report_write_error;
306
307 #ifdef HAVE_FTRUNCATE
308         if (inplace && fd != -1)
309                 ftruncate(fd, offset);
310 #endif
311
312         if (do_progress)
313                 end_progress(total_size);
314
315         if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
316             report_write_error:
317                 rsyserr(FERROR, errno, "write failed on %s",
318                         full_fname(fname));
319                 exit_cleanup(RERR_FILEIO);
320         }
321
322         sum_end(file_sum1);
323
324         if (mapbuf)
325                 unmap_file(mapbuf);
326
327         read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
328         if (verbose > 2)
329                 rprintf(FINFO,"got file_sum\n");
330         if (fd != -1 && memcmp(file_sum1, file_sum2, MD4_SUM_LENGTH) != 0)
331                 return 0;
332         return 1;
333 }
334
335
336 static void discard_receive_data(int f_in, OFF_T length)
337 {
338         receive_data(f_in, NULL, -1, 0, NULL, -1, length);
339 }
340
341 static void handle_delayed_updates(struct file_list *flist, char *local_name)
342 {
343         char *fname, *partialptr, numbuf[4];
344         int i;
345
346         for (i = -1; (i = next_delayed_bit(i)) >= 0; ) {
347                 struct file_struct *file = flist->files[i];
348                 fname = local_name ? local_name : f_name(file);
349                 if ((partialptr = partial_dir_fname(fname)) != NULL) {
350                         if (make_backups && !make_backup(fname))
351                                 continue;
352                         if (verbose > 2) {
353                                 rprintf(FINFO, "renaming %s to %s\n",
354                                         safe_fname(partialptr),
355                                         safe_fname(fname));
356                         }
357                         /* We don't use robust_rename() here because the
358                          * partial-dir must be on the same drive. */
359                         if (do_rename(partialptr, fname) < 0) {
360                                 rsyserr(FERROR, errno,
361                                         "rename failed for %s (from %s)",
362                                         full_fname(fname),
363                                         safe_fname(partialptr));
364                         } else {
365                                 if (remove_sent_files
366                                     || (preserve_hard_links
367                                      && file->link_u.links)) {
368                                         SIVAL(numbuf, 0, i);
369                                         send_msg(MSG_SUCCESS,numbuf,4);
370                                 }
371                                 handle_partial_dir(partialptr,
372                                                    PDIR_DELETE);
373                         }
374                 }
375         }
376 }
377
378 static int get_next_gen_i(int batch_gen_fd, int next_gen_i, int desired_i)
379 {
380         while (next_gen_i < desired_i) {
381                 if (next_gen_i >= 0) {
382                         rprintf(FINFO,
383                                 "(No batched update for%s \"%s\")\n",
384                                 phase ? " resend of" : "",
385                                 safe_fname(f_name(the_file_list->files[next_gen_i])));
386                 }
387                 next_gen_i = read_int(batch_gen_fd);
388                 if (next_gen_i == -1)
389                         next_gen_i = the_file_list->count;
390         }
391         return next_gen_i;
392 }
393
394
395 /**
396  * main routine for receiver process.
397  *
398  * Receiver process runs on the same host as the generator process. */
399 int recv_files(int f_in, struct file_list *flist, char *local_name)
400 {
401         int next_gen_i = -1;
402         int fd1,fd2;
403         STRUCT_STAT st;
404         int iflags, xlen;
405         char *fname, fbuf[MAXPATHLEN];
406         char xname[MAXPATHLEN];
407         char fnametmp[MAXPATHLEN];
408         char *fnamecmp, *partialptr, numbuf[4];
409         char fnamecmpbuf[MAXPATHLEN];
410         uchar fnamecmp_type;
411         struct file_struct *file;
412         struct stats initial_stats;
413         int save_make_backups = make_backups;
414         int itemizing = am_daemon ? daemon_log_format_has_i
415                       : !am_server && log_format_has_i;
416         int max_phase = protocol_version >= 29 ? 2 : 1;
417         int i, recv_ok;
418
419         if (verbose > 2)
420                 rprintf(FINFO,"recv_files(%d) starting\n",flist->count);
421
422         if (flist->hlink_pool) {
423                 pool_destroy(flist->hlink_pool);
424                 flist->hlink_pool = NULL;
425         }
426
427         if (delay_updates)
428                 init_delayed_bits(flist->count);
429
430         while (1) {
431                 cleanup_disable();
432
433                 i = read_int(f_in);
434                 if (i == -1) {
435                         if (read_batch) {
436                                 get_next_gen_i(batch_gen_fd, next_gen_i,
437                                                flist->count);
438                                 next_gen_i = -1;
439                         }
440                         if (++phase > max_phase)
441                                 break;
442                         csum_length = SUM_LENGTH;
443                         if (verbose > 2)
444                                 rprintf(FINFO, "recv_files phase=%d\n", phase);
445                         if (phase == 2 && delay_updates)
446                                 handle_delayed_updates(flist, local_name);
447                         send_msg(MSG_DONE, "", 0);
448                         if (keep_partial && !partial_dir)
449                                 make_backups = 0; /* prevents double backup */
450                         if (append_mode) {
451                                 append_mode = 0;
452                                 sparse_files = 0;
453                         }
454                         continue;
455                 }
456
457                 iflags = read_item_attrs(f_in, -1, i, &fnamecmp_type,
458                                          xname, &xlen);
459                 if (iflags == ITEM_IS_NEW) /* no-op packet */
460                         continue;
461
462                 file = flist->files[i];
463                 fname = local_name ? local_name : f_name_to(file, fbuf);
464
465                 if (verbose > 2)
466                         rprintf(FINFO, "recv_files(%s)\n", safe_fname(fname));
467
468                 if (!(iflags & ITEM_TRANSFER)) {
469                         maybe_log_item(file, iflags, itemizing, xname);
470                         continue;
471                 }
472                 if (phase == 2) {
473                         rprintf(FERROR,
474                                 "got transfer request in phase 2 [%s]\n",
475                                 who_am_i());
476                         exit_cleanup(RERR_PROTOCOL);
477                 }
478
479                 stats.current_file_index = i;
480                 stats.num_transferred_files++;
481                 stats.total_transferred_size += file->length;
482                 cleanup_got_literal = 0;
483
484                 if (server_filter_list.head
485                     && check_filter(&server_filter_list, fname, 0) < 0) {
486                         rprintf(FERROR, "attempt to hack rsync failed.\n");
487                         exit_cleanup(RERR_PROTOCOL);
488                 }
489
490                 if (!do_xfers) { /* log the transfer */
491                         if (!am_server && log_format)
492                                 log_item(file, &stats, iflags, NULL);
493                         if (read_batch)
494                                 discard_receive_data(f_in, file->length);
495                         continue;
496                 }
497                 if (write_batch < 0) {
498                         log_item(file, &stats, iflags, NULL);
499                         if (!am_server)
500                                 discard_receive_data(f_in, file->length);
501                         continue;
502                 }
503
504                 if (read_batch) {
505                         next_gen_i = get_next_gen_i(batch_gen_fd, next_gen_i, i);
506                         if (i < next_gen_i) {
507                                 rprintf(FINFO, "(Skipping batched update for \"%s\")\n",
508                                         safe_fname(fname));
509                                 discard_receive_data(f_in, file->length);
510                                 continue;
511                         }
512                         next_gen_i = -1;
513                 }
514
515                 partialptr = partial_dir ? partial_dir_fname(fname) : fname;
516
517                 if (protocol_version >= 29) {
518                         switch (fnamecmp_type) {
519                         case FNAMECMP_FNAME:
520                                 fnamecmp = fname;
521                                 break;
522                         case FNAMECMP_PARTIAL_DIR:
523                                 fnamecmp = partialptr;
524                                 break;
525                         case FNAMECMP_BACKUP:
526                                 fnamecmp = get_backup_name(fname);
527                                 break;
528                         case FNAMECMP_FUZZY:
529                                 if (file->dirname) {
530                                         pathjoin(fnamecmpbuf, MAXPATHLEN,
531                                                  file->dirname, xname);
532                                         fnamecmp = fnamecmpbuf;
533                                 } else
534                                         fnamecmp = xname;
535                                 break;
536                         default:
537                                 if (fnamecmp_type >= basis_dir_cnt) {
538                                         rprintf(FERROR,
539                                                 "invalid basis_dir index: %d.\n",
540                                                 fnamecmp_type);
541                                         exit_cleanup(RERR_PROTOCOL);
542                                 }
543                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
544                                          basis_dir[fnamecmp_type], fname);
545                                 fnamecmp = fnamecmpbuf;
546                                 break;
547                         }
548                         if (!fnamecmp || (server_filter_list.head
549                           && check_filter(&server_filter_list, fname, 0) < 0))
550                                 fnamecmp = fname;
551                 } else {
552                         /* Reminder: --inplace && --partial-dir are never
553                          * enabled at the same time. */
554                         if (inplace && make_backups) {
555                                 if (!(fnamecmp = get_backup_name(fname)))
556                                         fnamecmp = fname;
557                         } else if (partial_dir && partialptr)
558                                 fnamecmp = partialptr;
559                         else
560                                 fnamecmp = fname;
561                 }
562
563                 initial_stats = stats;
564
565                 /* open the file */
566                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
567
568                 if (fd1 == -1 && protocol_version < 29) {
569                         if (fnamecmp != fname) {
570                                 fnamecmp = fname;
571                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
572                         }
573
574                         if (fd1 == -1 && basis_dir[0]) {
575                                 /* pre-29 allowed only one alternate basis */
576                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
577                                          basis_dir[0], fname);
578                                 fnamecmp = fnamecmpbuf;
579                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
580                         }
581                 }
582
583                 if (fd1 != -1 && do_fstat(fd1,&st) != 0) {
584                         rsyserr(FERROR, errno, "fstat %s failed",
585                                 full_fname(fnamecmp));
586                         discard_receive_data(f_in, file->length);
587                         close(fd1);
588                         continue;
589                 }
590
591                 if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
592                         /* this special handling for directories
593                          * wouldn't be necessary if robust_rename()
594                          * and the underlying robust_unlink could cope
595                          * with directories
596                          */
597                         rprintf(FERROR,"recv_files: %s is a directory\n",
598                                 full_fname(fnamecmp));
599                         discard_receive_data(f_in, file->length);
600                         close(fd1);
601                         continue;
602                 }
603
604                 if (fd1 != -1 && !S_ISREG(st.st_mode)) {
605                         close(fd1);
606                         fd1 = -1;
607                 }
608
609                 if (fd1 != -1 && !preserve_perms) {
610                         /* if the file exists already and we aren't preserving
611                          * permissions then act as though the remote end sent
612                          * us the file permissions we already have */
613                         file->mode = st.st_mode;
614                 }
615
616                 /* We now check to see if we are writing file "inplace" */
617                 if (inplace)  {
618                         fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600);
619                         if (fd2 == -1) {
620                                 rsyserr(FERROR, errno, "open %s failed",
621                                         full_fname(fname));
622                                 discard_receive_data(f_in, file->length);
623                                 if (fd1 != -1)
624                                         close(fd1);
625                                 continue;
626                         }
627                 } else {
628                         if (!get_tmpname(fnametmp,fname)) {
629                                 discard_receive_data(f_in, file->length);
630                                 if (fd1 != -1)
631                                         close(fd1);
632                                 continue;
633                         }
634
635                         /* we initially set the perms without the
636                          * setuid/setgid bits to ensure that there is no race
637                          * condition. They are then correctly updated after
638                          * the lchown. Thanks to snabb@epipe.fi for pointing
639                          * this out.  We also set it initially without group
640                          * access because of a similar race condition. */
641                         fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
642
643                         /* in most cases parent directories will already exist
644                          * because their information should have been previously
645                          * transferred, but that may not be the case with -R */
646                         if (fd2 == -1 && relative_paths && errno == ENOENT
647                             && create_directory_path(fnametmp, orig_umask) == 0) {
648                                 /* Get back to name with XXXXXX in it. */
649                                 get_tmpname(fnametmp, fname);
650                                 fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
651                         }
652                         if (fd2 == -1) {
653                                 rsyserr(FERROR, errno, "mkstemp %s failed",
654                                         full_fname(fnametmp));
655                                 discard_receive_data(f_in, file->length);
656                                 if (fd1 != -1)
657                                         close(fd1);
658                                 continue;
659                         }
660
661                         if (partialptr)
662                                 cleanup_set(fnametmp, partialptr, file, fd1, fd2);
663                 }
664
665                 /* log the transfer */
666                 if (log_before_transfer)
667                         log_item(file, &initial_stats, iflags, NULL);
668                 else if (!am_server && verbose && do_progress)
669                         rprintf(FINFO, "%s\n", safe_fname(fname));
670
671                 /* recv file data */
672                 recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
673                                        fname, fd2, file->length);
674
675                 if (!log_before_transfer)
676                         log_item(file, &initial_stats, iflags, NULL);
677
678                 if (fd1 != -1)
679                         close(fd1);
680                 if (close(fd2) < 0) {
681                         rsyserr(FERROR, errno, "close failed on %s",
682                                 full_fname(fnametmp));
683                         exit_cleanup(RERR_FILEIO);
684                 }
685
686                 if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
687                         finish_transfer(fname, fnametmp, file, recv_ok, 1);
688                         if (partialptr != fname && fnamecmp == partialptr) {
689                                 do_unlink(partialptr);
690                                 handle_partial_dir(partialptr, PDIR_DELETE);
691                         }
692                 } else if (keep_partial && partialptr
693                     && handle_partial_dir(partialptr, PDIR_CREATE)) {
694                         finish_transfer(partialptr, fnametmp, file, recv_ok,
695                                         !partial_dir);
696                         if (delay_updates && recv_ok) {
697                                 set_delayed_bit(i);
698                                 recv_ok = -1;
699                         }
700                 } else {
701                         partialptr = NULL;
702                         do_unlink(fnametmp);
703                 }
704
705                 cleanup_disable();
706
707                 if (recv_ok > 0) {
708                         if (remove_sent_files
709                             || (preserve_hard_links && file->link_u.links)) {
710                                 SIVAL(numbuf, 0, i);
711                                 send_msg(MSG_SUCCESS, numbuf, 4);
712                         }
713                 } else if (!recv_ok) {
714                         int msgtype = phase || read_batch ? FERROR : FINFO;
715                         if (msgtype == FERROR || verbose) {
716                                 char *errstr, *redostr, *keptstr;
717                                 if (!(keep_partial && partialptr) && !inplace)
718                                         keptstr = "discarded";
719                                 else if (partial_dir)
720                                         keptstr = "put into partial-dir";
721                                 else
722                                         keptstr = "retained";
723                                 if (msgtype == FERROR) {
724                                         errstr = "ERROR";
725                                         redostr = "";
726                                 } else {
727                                         errstr = "WARNING";
728                                         redostr = " (will try again)";
729                                 }
730                                 rprintf(msgtype,
731                                         "%s: %s failed verification -- update %s%s.\n",
732                                         errstr, safe_fname(fname),
733                                         keptstr, redostr);
734                         }
735                         if (!phase) {
736                                 SIVAL(numbuf, 0, i);
737                                 send_msg(MSG_REDO, numbuf, 4);
738                         }
739                 }
740         }
741         make_backups = save_make_backups;
742
743         if (phase == 2 && delay_updates) /* for protocol_version < 29 */
744                 handle_delayed_updates(flist, local_name);
745
746         if (verbose > 2)
747                 rprintf(FINFO,"recv_files finished\n");
748
749         return 0;
750 }