Changed the name of the server_filter_list to be
[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) 2003-2008 Wayne Davison
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 3 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License along
19  * with this program; if not, visit the http://fsf.org website.
20  */
21
22 #include "rsync.h"
23
24 extern int verbose;
25 extern int dry_run;
26 extern int do_xfers;
27 extern int am_server;
28 extern int do_progress;
29 extern int inc_recurse;
30 extern int log_before_transfer;
31 extern int stdout_format_has_i;
32 extern int logfile_format_has_i;
33 extern int csum_length;
34 extern int read_batch;
35 extern int write_batch;
36 extern int batch_gen_fd;
37 extern int protocol_version;
38 extern int relative_paths;
39 extern int preserve_hard_links;
40 extern int preserve_perms;
41 extern int preserve_xattrs;
42 extern int basis_dir_cnt;
43 extern int make_backups;
44 extern int cleanup_got_literal;
45 extern int remove_source_files;
46 extern int append_mode;
47 extern int sparse_files;
48 extern int keep_partial;
49 extern int checksum_seed;
50 extern int inplace;
51 extern int delay_updates;
52 extern mode_t orig_umask;
53 extern struct stats stats;
54 extern char *tmpdir;
55 extern char *partial_dir;
56 extern char *basis_dir[];
57 extern struct file_list *cur_flist, *first_flist, *dir_flist;
58 extern struct filter_list_struct daemon_filter_list;
59
60 static struct bitbag *delayed_bits = NULL;
61 static int phase = 0, redoing = 0;
62 /* We're either updating the basis file or an identical copy: */
63 static int updating_basis_or_equiv;
64
65 /*
66  * get_tmpname() - create a tmp filename for a given filename
67  *
68  *   If a tmpdir is defined, use that as the directory to
69  *   put it in.  Otherwise, the tmp filename is in the same
70  *   directory as the given name.  Note that there may be no
71  *   directory at all in the given name!
72  *
73  *   The tmp filename is basically the given filename with a
74  *   dot prepended, and .XXXXXX appended (for mkstemp() to
75  *   put its unique gunk in).  Take care to not exceed
76  *   either the MAXPATHLEN or NAME_MAX, esp. the last, as
77  *   the basename basically becomes 8 chars longer. In that
78  *   case, the original name is shortened sufficiently to
79  *   make it all fit.
80  *
81  *   Of course, there's no real reason for the tmp name to
82  *   look like the original, except to satisfy us humans.
83  *   As long as it's unique, rsync will work.
84  */
85
86 int get_tmpname(char *fnametmp, const char *fname)
87 {
88         int maxname, added, length = 0;
89         const char *f;
90
91         if (tmpdir) {
92                 /* Note: this can't overflow, so the return value is safe */
93                 length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
94                 fnametmp[length++] = '/';
95         }
96
97         if ((f = strrchr(fname, '/')) != NULL) {
98                 ++f;
99                 if (!tmpdir) {
100                         length = f - fname;
101                         /* copy up to and including the slash */
102                         strlcpy(fnametmp, fname, length + 1);
103                 }
104         } else
105                 f = fname;
106         fnametmp[length++] = '.';
107
108         /* The maxname value is bufsize, and includes space for the '\0'.
109          * (Note that NAME_MAX get -8 for the leading '.' above.) */
110         maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
111
112         if (maxname < 1) {
113                 rprintf(FERROR_XFER, "temporary filename too long: %s\n", fname);
114                 fnametmp[0] = '\0';
115                 return 0;
116         }
117
118         added = strlcpy(fnametmp + length, f, maxname);
119         if (added >= maxname)
120                 added = maxname - 1;
121         memcpy(fnametmp + length + added, ".XXXXXX", 8);
122
123         return 1;
124 }
125
126 /* Opens a temporary file for writing.
127  * Success: Writes name into fnametmp, returns fd.
128  * Failure: Clobbers fnametmp, returns -1.
129  * Calling cleanup_set() is the caller's job. */
130 int open_tmpfile(char *fnametmp, const char *fname, struct file_struct *file)
131 {
132         int fd;
133
134         if (!get_tmpname(fnametmp, fname))
135                 return -1;
136
137         /* We initially set the perms without the setuid/setgid bits or group
138          * access to ensure that there is no race condition.  They will be
139          * correctly updated after the right owner and group info is set.
140          * (Thanks to snabb@epipe.fi for pointing this out.) */
141         fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
142
143 #if 0
144         /* In most cases parent directories will already exist because their
145          * information should have been previously transferred, but that may
146          * not be the case with -R */
147         if (fd == -1 && relative_paths && errno == ENOENT
148             && create_directory_path(fnametmp) == 0) {
149                 /* Get back to name with XXXXXX in it. */
150                 get_tmpname(fnametmp, fname);
151                 fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
152         }
153 #endif
154
155         if (fd == -1) {
156                 rsyserr(FERROR_XFER, errno, "mkstemp %s failed",
157                         full_fname(fnametmp));
158                 return -1;
159         }
160
161         return fd;
162 }
163
164 static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
165                         const char *fname, int fd, OFF_T total_size)
166 {
167         static char file_sum1[MAX_DIGEST_LEN];
168         static char file_sum2[MAX_DIGEST_LEN];
169         struct map_struct *mapbuf;
170         struct sum_struct sum;
171         int32 len, sum_len;
172         OFF_T offset = 0;
173         OFF_T offset2;
174         char *data;
175         int32 i;
176         char *map = NULL;
177
178         read_sum_head(f_in, &sum);
179
180         if (fd_r >= 0 && size_r > 0) {
181                 int32 read_size = MAX(sum.blength * 2, 16*1024);
182                 mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
183                 if (verbose > 2) {
184                         rprintf(FINFO, "recv mapped %s of size %.0f\n",
185                                 fname_r, (double)size_r);
186                 }
187         } else
188                 mapbuf = NULL;
189
190         sum_init(checksum_seed);
191
192         if (append_mode > 0) {
193                 OFF_T j;
194                 sum.flength = (OFF_T)sum.count * sum.blength;
195                 if (sum.remainder)
196                         sum.flength -= sum.blength - sum.remainder;
197                 if (append_mode == 2) {
198                         for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
199                                 if (do_progress)
200                                         show_progress(offset, total_size);
201                                 sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
202                                            CHUNK_SIZE);
203                                 offset = j;
204                         }
205                         if (offset < sum.flength) {
206                                 int32 len = (int32)(sum.flength - offset);
207                                 if (do_progress)
208                                         show_progress(offset, total_size);
209                                 sum_update(map_ptr(mapbuf, offset, len), len);
210                         }
211                 }
212                 offset = sum.flength;
213                 if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) {
214                         rsyserr(FERROR_XFER, errno, "lseek of %s returned %.0f, not %.0f",
215                                 full_fname(fname), (double)j, (double)offset);
216                         exit_cleanup(RERR_FILEIO);
217                 }
218         }
219
220         while ((i = recv_token(f_in, &data)) != 0) {
221                 if (do_progress)
222                         show_progress(offset, total_size);
223
224                 if (i > 0) {
225                         if (verbose > 3) {
226                                 rprintf(FINFO,"data recv %d at %.0f\n",
227                                         i,(double)offset);
228                         }
229
230                         stats.literal_data += i;
231                         cleanup_got_literal = 1;
232
233                         sum_update(data, i);
234
235                         if (fd != -1 && write_file(fd,data,i) != i)
236                                 goto report_write_error;
237                         offset += i;
238                         continue;
239                 }
240
241                 i = -(i+1);
242                 offset2 = i * (OFF_T)sum.blength;
243                 len = sum.blength;
244                 if (i == (int)sum.count-1 && sum.remainder != 0)
245                         len = sum.remainder;
246
247                 stats.matched_data += len;
248
249                 if (verbose > 3) {
250                         rprintf(FINFO,
251                                 "chunk[%d] of size %ld at %.0f offset=%.0f\n",
252                                 i, (long)len, (double)offset2, (double)offset);
253                 }
254
255                 if (mapbuf) {
256                         map = map_ptr(mapbuf,offset2,len);
257
258                         see_token(map, len);
259                         sum_update(map, len);
260                 }
261
262                 if (updating_basis_or_equiv) {
263                         if (offset == offset2 && fd != -1) {
264                                 OFF_T pos;
265                                 if (flush_write_file(fd) < 0)
266                                         goto report_write_error;
267                                 offset += len;
268                                 if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) {
269                                         rsyserr(FERROR_XFER, errno,
270                                                 "lseek of %s returned %.0f, not %.0f",
271                                                 full_fname(fname),
272                                                 (double)pos, (double)offset);
273                                         exit_cleanup(RERR_FILEIO);
274                                 }
275                                 continue;
276                         }
277                 }
278                 if (fd != -1 && map && write_file(fd, map, len) != (int)len)
279                         goto report_write_error;
280                 offset += len;
281         }
282
283         if (flush_write_file(fd) < 0)
284                 goto report_write_error;
285
286 #ifdef HAVE_FTRUNCATE
287         if (inplace && fd != -1)
288                 ftruncate(fd, offset);
289 #endif
290
291         if (do_progress)
292                 end_progress(total_size);
293
294         if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
295             report_write_error:
296                 rsyserr(FERROR_XFER, errno, "write failed on %s",
297                         full_fname(fname));
298                 exit_cleanup(RERR_FILEIO);
299         }
300
301         sum_len = sum_end(file_sum1);
302
303         if (mapbuf)
304                 unmap_file(mapbuf);
305
306         read_buf(f_in, file_sum2, sum_len);
307         if (verbose > 2)
308                 rprintf(FINFO,"got file_sum\n");
309         if (fd != -1 && memcmp(file_sum1, file_sum2, sum_len) != 0)
310                 return 0;
311         return 1;
312 }
313
314
315 static void discard_receive_data(int f_in, OFF_T length)
316 {
317         receive_data(f_in, NULL, -1, 0, NULL, -1, length);
318 }
319
320 static void handle_delayed_updates(char *local_name)
321 {
322         char *fname, *partialptr;
323         int ndx;
324
325         for (ndx = -1; (ndx = bitbag_next_bit(delayed_bits, ndx)) >= 0; ) {
326                 struct file_struct *file = cur_flist->files[ndx];
327                 fname = local_name ? local_name : f_name(file, NULL);
328                 if ((partialptr = partial_dir_fname(fname)) != NULL) {
329                         if (make_backups > 0 && !make_backup(fname))
330                                 continue;
331                         if (verbose > 2) {
332                                 rprintf(FINFO, "renaming %s to %s\n",
333                                         partialptr, fname);
334                         }
335                         /* We don't use robust_rename() here because the
336                          * partial-dir must be on the same drive. */
337                         if (do_rename(partialptr, fname) < 0) {
338                                 rsyserr(FERROR_XFER, errno,
339                                         "rename failed for %s (from %s)",
340                                         full_fname(fname), partialptr);
341                         } else {
342                                 if (remove_source_files
343                                  || (preserve_hard_links && F_IS_HLINKED(file)))
344                                         send_msg_int(MSG_SUCCESS, ndx);
345                                 handle_partial_dir(partialptr, PDIR_DELETE);
346                         }
347                 }
348         }
349 }
350
351 static int get_next_gen_ndx(int fd, int next_gen_ndx, int desired_ndx)
352 {
353         while (next_gen_ndx < desired_ndx) {
354                 if (next_gen_ndx >= 0) {
355                         struct file_struct *file = cur_flist->files[next_gen_ndx];
356                         rprintf(FERROR_XFER,
357                                 "(No batched update for%s \"%s\")\n",
358                                 file->flags & FLAG_FILE_SENT ? " resend of" : "",
359                                 f_name(file, NULL));
360                 }
361                 next_gen_ndx = read_int(fd);
362                 if (next_gen_ndx == -1) {
363                         if (inc_recurse)
364                                 next_gen_ndx = first_flist->prev->used + first_flist->prev->ndx_start;
365                         else
366                                 next_gen_ndx = cur_flist->used;
367                 }
368         }
369         return next_gen_ndx;
370 }
371
372 /**
373  * main routine for receiver process.
374  *
375  * Receiver process runs on the same host as the generator process. */
376 int recv_files(int f_in, char *local_name)
377 {
378         int next_gen_ndx = -1;
379         int fd1,fd2;
380         STRUCT_STAT st;
381         int iflags, xlen;
382         char *fname, fbuf[MAXPATHLEN];
383         char xname[MAXPATHLEN];
384         char fnametmp[MAXPATHLEN];
385         char *fnamecmp, *partialptr;
386         char fnamecmpbuf[MAXPATHLEN];
387         uchar fnamecmp_type;
388         struct file_struct *file;
389         struct stats initial_stats;
390         int itemizing = am_server ? logfile_format_has_i : stdout_format_has_i;
391         enum logcode log_code = log_before_transfer ? FLOG : FINFO;
392         int max_phase = protocol_version >= 29 ? 2 : 1;
393         int dflt_perms = (ACCESSPERMS & ~orig_umask);
394 #ifdef SUPPORT_ACLS
395         const char *parent_dirname = "";
396 #endif
397         int ndx, recv_ok;
398
399         if (verbose > 2)
400                 rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->used);
401
402         if (delay_updates)
403                 delayed_bits = bitbag_create(cur_flist->used + 1);
404
405         while (1) {
406                 cleanup_disable();
407
408                 /* This call also sets cur_flist. */
409                 ndx = read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type,
410                                          xname, &xlen);
411                 if (ndx == NDX_DONE) {
412                         if (inc_recurse && first_flist) {
413                                 flist_free(first_flist);
414                                 if (first_flist)
415                                         continue;
416                         }
417                         if (read_batch && cur_flist) {
418                                 int high = inc_recurse
419                                     ? first_flist->prev->used + first_flist->prev->ndx_start
420                                     : cur_flist->used;
421                                 get_next_gen_ndx(batch_gen_fd, next_gen_ndx, high);
422                                 next_gen_ndx = -1;
423                         }
424                         if (++phase > max_phase)
425                                 break;
426                         if (verbose > 2)
427                                 rprintf(FINFO, "recv_files phase=%d\n", phase);
428                         if (phase == 2 && delay_updates)
429                                 handle_delayed_updates(local_name);
430                         send_msg(MSG_DONE, "", 0, 0);
431                         continue;
432                 }
433
434                 if (ndx - cur_flist->ndx_start >= 0)
435                         file = cur_flist->files[ndx - cur_flist->ndx_start];
436                 else
437                         file = dir_flist->files[cur_flist->parent_ndx];
438                 fname = local_name ? local_name : f_name(file, fbuf);
439
440                 if (verbose > 2)
441                         rprintf(FINFO, "recv_files(%s)\n", fname);
442
443 #ifdef SUPPORT_XATTRS
444                 if (iflags & ITEM_REPORT_XATTR && !dry_run)
445                         recv_xattr_request(file, f_in);
446 #endif
447
448                 if (!(iflags & ITEM_TRANSFER)) {
449                         maybe_log_item(file, iflags, itemizing, xname);
450 #ifdef SUPPORT_XATTRS
451                         if (preserve_xattrs && iflags & ITEM_REPORT_XATTR && !dry_run)
452                                 set_file_attrs(fname, file, NULL, fname, 0);
453 #endif
454                         continue;
455                 }
456                 if (phase == 2) {
457                         rprintf(FERROR,
458                                 "got transfer request in phase 2 [%s]\n",
459                                 who_am_i());
460                         exit_cleanup(RERR_PROTOCOL);
461                 }
462
463                 if (file->flags & FLAG_FILE_SENT) {
464                         if (csum_length == SHORT_SUM_LENGTH) {
465                                 if (keep_partial && !partial_dir)
466                                         make_backups = -make_backups; /* prevents double backup */
467                                 if (append_mode)
468                                         sparse_files = -sparse_files;
469                                 append_mode = -append_mode;
470                                 csum_length = SUM_LENGTH;
471                                 redoing = 1;
472                         }
473                 } else {
474                         if (csum_length != SHORT_SUM_LENGTH) {
475                                 if (keep_partial && !partial_dir)
476                                         make_backups = -make_backups;
477                                 if (append_mode)
478                                         sparse_files = -sparse_files;
479                                 append_mode = -append_mode;
480                                 csum_length = SHORT_SUM_LENGTH;
481                                 redoing = 0;
482                         }
483                 }
484
485                 if (!am_server && do_progress)
486                         set_current_file_index(file, ndx);
487                 stats.num_transferred_files++;
488                 stats.total_transferred_size += F_LENGTH(file);
489
490                 cleanup_got_literal = 0;
491
492                 if (daemon_filter_list.head
493                     && check_filter(&daemon_filter_list, fname, 0) < 0) {
494                         rprintf(FERROR, "attempt to hack rsync failed.\n");
495                         exit_cleanup(RERR_PROTOCOL);
496                 }
497
498                 if (!do_xfers) { /* log the transfer */
499                         log_item(FCLIENT, file, &stats, iflags, NULL);
500                         if (read_batch)
501                                 discard_receive_data(f_in, F_LENGTH(file));
502                         continue;
503                 }
504                 if (write_batch < 0) {
505                         log_item(FCLIENT, file, &stats, iflags, NULL);
506                         if (!am_server)
507                                 discard_receive_data(f_in, F_LENGTH(file));
508                         continue;
509                 }
510
511                 if (read_batch) {
512                         next_gen_ndx = get_next_gen_ndx(batch_gen_fd, next_gen_ndx, ndx);
513                         if (ndx < next_gen_ndx) {
514                                 rprintf(FINFO,
515                                         "(Skipping batched update for \"%s\")\n",
516                                         fname);
517                                 discard_receive_data(f_in, F_LENGTH(file));
518                                 if (inc_recurse)
519                                         send_msg_int(MSG_NO_SEND, ndx);
520                                 continue;
521                         }
522                         next_gen_ndx = -1;
523                 }
524
525                 partialptr = partial_dir ? partial_dir_fname(fname) : fname;
526
527                 if (protocol_version >= 29) {
528                         switch (fnamecmp_type) {
529                         case FNAMECMP_FNAME:
530                                 fnamecmp = fname;
531                                 break;
532                         case FNAMECMP_PARTIAL_DIR:
533                                 fnamecmp = partialptr;
534                                 break;
535                         case FNAMECMP_BACKUP:
536                                 fnamecmp = get_backup_name(fname);
537                                 break;
538                         case FNAMECMP_FUZZY:
539                                 if (file->dirname) {
540                                         pathjoin(fnamecmpbuf, MAXPATHLEN,
541                                                  file->dirname, xname);
542                                         fnamecmp = fnamecmpbuf;
543                                 } else
544                                         fnamecmp = xname;
545                                 break;
546                         default:
547                                 if (fnamecmp_type >= basis_dir_cnt) {
548                                         rprintf(FERROR,
549                                                 "invalid basis_dir index: %d.\n",
550                                                 fnamecmp_type);
551                                         exit_cleanup(RERR_PROTOCOL);
552                                 }
553                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
554                                          basis_dir[fnamecmp_type], fname);
555                                 fnamecmp = fnamecmpbuf;
556                                 break;
557                         }
558                         if (!fnamecmp || (daemon_filter_list.head
559                           && check_filter(&daemon_filter_list, fname, 0) < 0)) {
560                                 fnamecmp = fname;
561                                 fnamecmp_type = FNAMECMP_FNAME;
562                         }
563                 } else {
564                         /* Reminder: --inplace && --partial-dir are never
565                          * enabled at the same time. */
566                         if (inplace && make_backups > 0) {
567                                 if (!(fnamecmp = get_backup_name(fname)))
568                                         fnamecmp = fname;
569                                 else
570                                         fnamecmp_type = FNAMECMP_BACKUP;
571                         } else if (partial_dir && partialptr)
572                                 fnamecmp = partialptr;
573                         else
574                                 fnamecmp = fname;
575                 }
576
577                 initial_stats = stats;
578
579                 /* open the file */
580                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
581
582                 if (fd1 == -1 && protocol_version < 29) {
583                         if (fnamecmp != fname) {
584                                 fnamecmp = fname;
585                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
586                         }
587
588                         if (fd1 == -1 && basis_dir[0]) {
589                                 /* pre-29 allowed only one alternate basis */
590                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
591                                          basis_dir[0], fname);
592                                 fnamecmp = fnamecmpbuf;
593                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
594                         }
595                 }
596
597                 updating_basis_or_equiv = inplace
598                     && (fnamecmp == fname || fnamecmp_type == FNAMECMP_BACKUP);
599
600                 if (fd1 == -1) {
601                         st.st_mode = 0;
602                         st.st_size = 0;
603                 } else if (do_fstat(fd1,&st) != 0) {
604                         rsyserr(FERROR_XFER, errno, "fstat %s failed",
605                                 full_fname(fnamecmp));
606                         discard_receive_data(f_in, F_LENGTH(file));
607                         close(fd1);
608                         if (inc_recurse)
609                                 send_msg_int(MSG_NO_SEND, ndx);
610                         continue;
611                 }
612
613                 if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
614                         /* this special handling for directories
615                          * wouldn't be necessary if robust_rename()
616                          * and the underlying robust_unlink could cope
617                          * with directories
618                          */
619                         rprintf(FERROR_XFER, "recv_files: %s is a directory\n",
620                                 full_fname(fnamecmp));
621                         discard_receive_data(f_in, F_LENGTH(file));
622                         close(fd1);
623                         if (inc_recurse)
624                                 send_msg_int(MSG_NO_SEND, ndx);
625                         continue;
626                 }
627
628                 if (fd1 != -1 && !S_ISREG(st.st_mode)) {
629                         close(fd1);
630                         fd1 = -1;
631                 }
632
633                 /* If we're not preserving permissions, change the file-list's
634                  * mode based on the local permissions and some heuristics. */
635                 if (!preserve_perms) {
636                         int exists = fd1 != -1;
637 #ifdef SUPPORT_ACLS
638                         const char *dn = file->dirname ? file->dirname : ".";
639                         if (parent_dirname != dn
640                          && strcmp(parent_dirname, dn) != 0) {
641                                 dflt_perms = default_perms_for_dir(dn);
642                                 parent_dirname = dn;
643                         }
644 #endif
645                         file->mode = dest_mode(file->mode, st.st_mode,
646                                                dflt_perms, exists);
647                 }
648
649                 /* We now check to see if we are writing the file "inplace" */
650                 if (inplace)  {
651                         fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600);
652                         if (fd2 == -1) {
653                                 rsyserr(FERROR_XFER, errno, "open %s failed",
654                                         full_fname(fname));
655                         }
656                 } else {
657                         fd2 = open_tmpfile(fnametmp, fname, file);
658                         if (fd2 != -1)
659                                 cleanup_set(fnametmp, partialptr, file, fd1, fd2);
660                 }
661
662                 if (fd2 == -1) {
663                         discard_receive_data(f_in, F_LENGTH(file));
664                         if (fd1 != -1)
665                                 close(fd1);
666                         if (inc_recurse)
667                                 send_msg_int(MSG_NO_SEND, ndx);
668                         continue;
669                 }
670
671                 /* log the transfer */
672                 if (log_before_transfer)
673                         log_item(FCLIENT, file, &initial_stats, iflags, NULL);
674                 else if (!am_server && verbose && do_progress)
675                         rprintf(FINFO, "%s\n", fname);
676
677                 /* recv file data */
678                 recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
679                                        fname, fd2, F_LENGTH(file));
680
681                 log_item(log_code, file, &initial_stats, iflags, NULL);
682
683                 if (fd1 != -1)
684                         close(fd1);
685                 if (close(fd2) < 0) {
686                         rsyserr(FERROR, errno, "close failed on %s",
687                                 full_fname(fnametmp));
688                         exit_cleanup(RERR_FILEIO);
689                 }
690
691                 if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
692                         if (partialptr == fname)
693                                 partialptr = NULL;
694                         if (!finish_transfer(fname, fnametmp, fnamecmp,
695                                              partialptr, file, recv_ok, 1))
696                                 recv_ok = -1;
697                         else if (fnamecmp == partialptr) {
698                                 do_unlink(partialptr);
699                                 handle_partial_dir(partialptr, PDIR_DELETE);
700                         }
701                 } else if (keep_partial && partialptr
702                     && handle_partial_dir(partialptr, PDIR_CREATE)) {
703                         if (!finish_transfer(partialptr, fnametmp, fnamecmp, NULL,
704                                              file, recv_ok, !partial_dir))
705                                 recv_ok = -1;
706                         else if (delay_updates && recv_ok) {
707                                 bitbag_set_bit(delayed_bits, ndx);
708                                 recv_ok = 2;
709                         }
710                 } else {
711                         partialptr = NULL;
712                         do_unlink(fnametmp);
713                 }
714
715                 cleanup_disable();
716
717                 switch (recv_ok) {
718                 case 1:
719                         if (remove_source_files || inc_recurse
720                          || (preserve_hard_links && F_IS_HLINKED(file)))
721                                 send_msg_int(MSG_SUCCESS, ndx);
722                         break;
723                 case 0: {
724                         enum logcode msgtype = redoing ? FERROR_XFER : FWARNING;
725                         if (msgtype == FERROR_XFER || verbose) {
726                                 char *errstr, *redostr, *keptstr;
727                                 if (!(keep_partial && partialptr) && !inplace)
728                                         keptstr = "discarded";
729                                 else if (partial_dir)
730                                         keptstr = "put into partial-dir";
731                                 else
732                                         keptstr = "retained";
733                                 if (msgtype == FERROR_XFER) {
734                                         errstr = "ERROR";
735                                         redostr = "";
736                                 } else {
737                                         errstr = "WARNING";
738                                         redostr = read_batch ? " (may try again)"
739                                                              : " (will try again)";
740                                 }
741                                 rprintf(msgtype,
742                                         "%s: %s failed verification -- update %s%s.\n",
743                                         errstr, local_name ? f_name(file, NULL) : fname,
744                                         keptstr, redostr);
745                         }
746                         if (!redoing) {
747                                 send_msg_int(MSG_REDO, ndx);
748                                 file->flags |= FLAG_FILE_SENT;
749                         } else if (inc_recurse)
750                                 send_msg_int(MSG_NO_SEND, ndx);
751                         break;
752                     }
753                 case -1:
754                         if (inc_recurse)
755                                 send_msg_int(MSG_NO_SEND, ndx);
756                         break;
757                 }
758         }
759         if (make_backups < 0)
760                 make_backups = -make_backups;
761
762         if (phase == 2 && delay_updates) /* for protocol_version < 29 */
763                 handle_delayed_updates(local_name);
764
765         if (verbose > 2)
766                 rprintf(FINFO,"recv_files finished\n");
767
768         return 0;
769 }