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[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) 2003-2009 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 static flist_ndx_list batch_redo_list;
63 /* We're either updating the basis file or an identical copy: */
64 static int updating_basis_or_equiv;
65
66 /*
67  * get_tmpname() - create a tmp filename for a given filename
68  *
69  *   If a tmpdir is defined, use that as the directory to
70  *   put it in.  Otherwise, the tmp filename is in the same
71  *   directory as the given name.  Note that there may be no
72  *   directory at all in the given name!
73  *
74  *   The tmp filename is basically the given filename with a
75  *   dot prepended, and .XXXXXX appended (for mkstemp() to
76  *   put its unique gunk in).  Take care to not exceed
77  *   either the MAXPATHLEN or NAME_MAX, esp. the last, as
78  *   the basename basically becomes 8 chars longer. In that
79  *   case, the original name is shortened sufficiently to
80  *   make it all fit.
81  *
82  *   Of course, there's no real reason for the tmp name to
83  *   look like the original, except to satisfy us humans.
84  *   As long as it's unique, rsync will work.
85  */
86
87 int get_tmpname(char *fnametmp, const char *fname)
88 {
89         int maxname, added, length = 0;
90         const char *f;
91
92         if (tmpdir) {
93                 /* Note: this can't overflow, so the return value is safe */
94                 length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
95                 fnametmp[length++] = '/';
96         }
97
98         if ((f = strrchr(fname, '/')) != NULL) {
99                 ++f;
100                 if (!tmpdir) {
101                         length = f - fname;
102                         /* copy up to and including the slash */
103                         strlcpy(fnametmp, fname, length + 1);
104                 }
105         } else
106                 f = fname;
107         fnametmp[length++] = '.';
108
109         /* The maxname value is bufsize, and includes space for the '\0'.
110          * (Note that NAME_MAX get -8 for the leading '.' above.) */
111         maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
112
113         if (maxname < 1) {
114                 rprintf(FERROR_XFER, "temporary filename too long: %s\n", fname);
115                 fnametmp[0] = '\0';
116                 return 0;
117         }
118
119         added = strlcpy(fnametmp + length, f, maxname);
120         if (added >= maxname)
121                 added = maxname - 1;
122         memcpy(fnametmp + length + added, ".XXXXXX", 8);
123
124         return 1;
125 }
126
127 /* Opens a temporary file for writing.
128  * Success: Writes name into fnametmp, returns fd.
129  * Failure: Clobbers fnametmp, returns -1.
130  * Calling cleanup_set() is the caller's job. */
131 int open_tmpfile(char *fnametmp, const char *fname, struct file_struct *file)
132 {
133         int fd;
134
135         if (!get_tmpname(fnametmp, fname))
136                 return -1;
137
138         /* We initially set the perms without the setuid/setgid bits or group
139          * access to ensure that there is no race condition.  They will be
140          * correctly updated after the right owner and group info is set.
141          * (Thanks to snabb@epipe.fi for pointing this out.) */
142         fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
143
144 #if 0
145         /* In most cases parent directories will already exist because their
146          * information should have been previously transferred, but that may
147          * not be the case with -R */
148         if (fd == -1 && relative_paths && errno == ENOENT
149             && create_directory_path(fnametmp) == 0) {
150                 /* Get back to name with XXXXXX in it. */
151                 get_tmpname(fnametmp, fname);
152                 fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
153         }
154 #endif
155
156         if (fd == -1) {
157                 rsyserr(FERROR_XFER, errno, "mkstemp %s failed",
158                         full_fname(fnametmp));
159                 return -1;
160         }
161
162         return fd;
163 }
164
165 static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
166                         const char *fname, int fd, OFF_T total_size)
167 {
168         static char file_sum1[MAX_DIGEST_LEN];
169         static char file_sum2[MAX_DIGEST_LEN];
170         struct map_struct *mapbuf;
171         struct sum_struct sum;
172         int32 len, sum_len;
173         OFF_T offset = 0;
174         OFF_T offset2;
175         char *data;
176         int32 i;
177         char *map = NULL;
178
179         read_sum_head(f_in, &sum);
180
181         if (fd_r >= 0 && size_r > 0) {
182                 int32 read_size = MAX(sum.blength * 2, 16*1024);
183                 mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
184                 if (verbose > 2) {
185                         rprintf(FINFO, "recv mapped %s of size %.0f\n",
186                                 fname_r, (double)size_r);
187                 }
188         } else
189                 mapbuf = NULL;
190
191         sum_init(checksum_seed);
192
193         if (append_mode > 0) {
194                 OFF_T j;
195                 sum.flength = (OFF_T)sum.count * sum.blength;
196                 if (sum.remainder)
197                         sum.flength -= sum.blength - sum.remainder;
198                 if (append_mode == 2) {
199                         for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
200                                 if (do_progress)
201                                         show_progress(offset, total_size);
202                                 sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
203                                            CHUNK_SIZE);
204                                 offset = j;
205                         }
206                         if (offset < sum.flength) {
207                                 int32 len = (int32)(sum.flength - offset);
208                                 if (do_progress)
209                                         show_progress(offset, total_size);
210                                 sum_update(map_ptr(mapbuf, offset, len), len);
211                         }
212                 }
213                 offset = sum.flength;
214                 if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) {
215                         rsyserr(FERROR_XFER, errno, "lseek of %s returned %.0f, not %.0f",
216                                 full_fname(fname), (double)j, (double)offset);
217                         exit_cleanup(RERR_FILEIO);
218                 }
219         }
220
221         while ((i = recv_token(f_in, &data)) != 0) {
222                 if (do_progress)
223                         show_progress(offset, total_size);
224
225                 if (i > 0) {
226                         if (verbose > 3) {
227                                 rprintf(FINFO,"data recv %d at %.0f\n",
228                                         i,(double)offset);
229                         }
230
231                         stats.literal_data += i;
232                         cleanup_got_literal = 1;
233
234                         sum_update(data, i);
235
236                         if (fd != -1 && write_file(fd,data,i) != i)
237                                 goto report_write_error;
238                         offset += i;
239                         continue;
240                 }
241
242                 i = -(i+1);
243                 offset2 = i * (OFF_T)sum.blength;
244                 len = sum.blength;
245                 if (i == (int)sum.count-1 && sum.remainder != 0)
246                         len = sum.remainder;
247
248                 stats.matched_data += len;
249
250                 if (verbose > 3) {
251                         rprintf(FINFO,
252                                 "chunk[%d] of size %ld at %.0f offset=%.0f\n",
253                                 i, (long)len, (double)offset2, (double)offset);
254                 }
255
256                 if (mapbuf) {
257                         map = map_ptr(mapbuf,offset2,len);
258
259                         see_token(map, len);
260                         sum_update(map, len);
261                 }
262
263                 if (updating_basis_or_equiv) {
264                         if (offset == offset2 && fd != -1) {
265                                 OFF_T pos;
266                                 if (flush_write_file(fd) < 0)
267                                         goto report_write_error;
268                                 offset += len;
269                                 if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) {
270                                         rsyserr(FERROR_XFER, errno,
271                                                 "lseek of %s returned %.0f, not %.0f",
272                                                 full_fname(fname),
273                                                 (double)pos, (double)offset);
274                                         exit_cleanup(RERR_FILEIO);
275                                 }
276                                 continue;
277                         }
278                 }
279                 if (fd != -1 && map && write_file(fd, map, len) != (int)len)
280                         goto report_write_error;
281                 offset += len;
282         }
283
284         if (flush_write_file(fd) < 0)
285                 goto report_write_error;
286
287 #ifdef HAVE_FTRUNCATE
288         if (inplace && fd != -1
289          && ftruncate(fd, offset) < 0) {
290                 rsyserr(FERROR_XFER, errno, "ftruncate failed on %s",
291                         full_fname(fname));
292         }
293 #endif
294
295         if (do_progress)
296                 end_progress(total_size);
297
298         if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
299             report_write_error:
300                 rsyserr(FERROR_XFER, errno, "write failed on %s",
301                         full_fname(fname));
302                 exit_cleanup(RERR_FILEIO);
303         }
304
305         sum_len = sum_end(file_sum1);
306
307         if (mapbuf)
308                 unmap_file(mapbuf);
309
310         read_buf(f_in, file_sum2, sum_len);
311         if (verbose > 2)
312                 rprintf(FINFO,"got file_sum\n");
313         if (fd != -1 && memcmp(file_sum1, file_sum2, sum_len) != 0)
314                 return 0;
315         return 1;
316 }
317
318
319 static void discard_receive_data(int f_in, OFF_T length)
320 {
321         receive_data(f_in, NULL, -1, 0, NULL, -1, length);
322 }
323
324 static void handle_delayed_updates(char *local_name)
325 {
326         char *fname, *partialptr;
327         int ndx;
328
329         for (ndx = -1; (ndx = bitbag_next_bit(delayed_bits, ndx)) >= 0; ) {
330                 struct file_struct *file = cur_flist->files[ndx];
331                 fname = local_name ? local_name : f_name(file, NULL);
332                 if ((partialptr = partial_dir_fname(fname)) != NULL) {
333                         if (make_backups > 0 && !make_backup(fname))
334                                 continue;
335                         if (verbose > 2) {
336                                 rprintf(FINFO, "renaming %s to %s\n",
337                                         partialptr, fname);
338                         }
339                         /* We don't use robust_rename() here because the
340                          * partial-dir must be on the same drive. */
341                         if (do_rename(partialptr, fname) < 0) {
342                                 rsyserr(FERROR_XFER, errno,
343                                         "rename failed for %s (from %s)",
344                                         full_fname(fname), partialptr);
345                         } else {
346                                 if (remove_source_files
347                                  || (preserve_hard_links && F_IS_HLINKED(file)))
348                                         send_msg_int(MSG_SUCCESS, ndx);
349                                 handle_partial_dir(partialptr, PDIR_DELETE);
350                         }
351                 }
352         }
353 }
354
355 static void no_batched_update(int ndx, BOOL is_redo)
356 {
357         struct file_list *flist = flist_for_ndx(ndx, "no_batched_update");
358         struct file_struct *file = flist->files[ndx - flist->ndx_start];
359
360         rprintf(FERROR_XFER, "(No batched update for%s \"%s\")\n",
361                 is_redo ? " resend of" : "", f_name(file, NULL));
362
363         if (inc_recurse)
364                 send_msg_int(MSG_NO_SEND, ndx);
365 }
366
367 static int we_want_redo(int desired_ndx)
368 {
369         static int redo_ndx = -1;
370
371         while (redo_ndx < desired_ndx) {
372                 if (redo_ndx >= 0)
373                         no_batched_update(redo_ndx, True);
374                 if ((redo_ndx = flist_ndx_pop(&batch_redo_list)) < 0)
375                         return 0;
376         }
377
378         if (redo_ndx == desired_ndx) {
379                 redo_ndx = -1;
380                 return 1;
381         }
382
383         return 0;
384 }
385
386 static int gen_wants_ndx(int desired_ndx)
387 {
388         static int next_ndx = -1;
389         static BOOL got_eof = 0;
390
391         if (got_eof)
392                 return 0;
393
394         while (next_ndx < desired_ndx) {
395                 if (next_ndx >= 0)
396                         no_batched_update(next_ndx, False);
397                 if ((next_ndx = read_int(batch_gen_fd)) < 0) {
398                         got_eof = True;
399                         return 0;
400                 }
401         }
402
403         if (next_ndx == desired_ndx) {
404                 next_ndx = -1;
405                 return 1;
406         }
407
408         return 0;
409 }
410
411 /**
412  * main routine for receiver process.
413  *
414  * Receiver process runs on the same host as the generator process. */
415 int recv_files(int f_in, char *local_name)
416 {
417         int fd1,fd2;
418         STRUCT_STAT st;
419         int iflags, xlen;
420         char *fname, fbuf[MAXPATHLEN];
421         char xname[MAXPATHLEN];
422         char fnametmp[MAXPATHLEN];
423         char *fnamecmp, *partialptr;
424         char fnamecmpbuf[MAXPATHLEN];
425         uchar fnamecmp_type;
426         struct file_struct *file;
427         struct stats initial_stats;
428         int itemizing = am_server ? logfile_format_has_i : stdout_format_has_i;
429         enum logcode log_code = log_before_transfer ? FLOG : FINFO;
430         int max_phase = protocol_version >= 29 ? 2 : 1;
431         int dflt_perms = (ACCESSPERMS & ~orig_umask);
432 #ifdef SUPPORT_ACLS
433         const char *parent_dirname = "";
434 #endif
435         int ndx, recv_ok;
436
437         if (verbose > 2)
438                 rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->used);
439
440         if (delay_updates)
441                 delayed_bits = bitbag_create(cur_flist->used + 1);
442
443         while (1) {
444                 cleanup_disable();
445
446                 /* This call also sets cur_flist. */
447                 ndx = read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type,
448                                          xname, &xlen);
449                 if (ndx == NDX_DONE) {
450                         if (inc_recurse && first_flist) {
451                                 if (read_batch)
452                                         gen_wants_ndx(first_flist->used + first_flist->ndx_start);
453                                 flist_free(first_flist);
454                                 if (first_flist)
455                                         continue;
456                         } else if (read_batch && first_flist)
457                                 gen_wants_ndx(first_flist->used);
458                         if (++phase > max_phase)
459                                 break;
460                         if (verbose > 2)
461                                 rprintf(FINFO, "recv_files phase=%d\n", phase);
462                         if (phase == 2 && delay_updates)
463                                 handle_delayed_updates(local_name);
464                         send_msg(MSG_DONE, "", 0, 0);
465                         continue;
466                 }
467
468                 if (ndx - cur_flist->ndx_start >= 0)
469                         file = cur_flist->files[ndx - cur_flist->ndx_start];
470                 else
471                         file = dir_flist->files[cur_flist->parent_ndx];
472                 fname = local_name ? local_name : f_name(file, fbuf);
473
474                 if (verbose > 2)
475                         rprintf(FINFO, "recv_files(%s)\n", fname);
476
477 #ifdef SUPPORT_XATTRS
478                 if (iflags & ITEM_REPORT_XATTR && !dry_run)
479                         recv_xattr_request(file, f_in);
480 #endif
481
482                 if (!(iflags & ITEM_TRANSFER)) {
483                         maybe_log_item(file, iflags, itemizing, xname);
484 #ifdef SUPPORT_XATTRS
485                         if (preserve_xattrs && iflags & ITEM_REPORT_XATTR && !dry_run)
486                                 set_file_attrs(fname, file, NULL, fname, 0);
487 #endif
488                         continue;
489                 }
490                 if (phase == 2) {
491                         rprintf(FERROR,
492                                 "got transfer request in phase 2 [%s]\n",
493                                 who_am_i());
494                         exit_cleanup(RERR_PROTOCOL);
495                 }
496
497                 if (file->flags & FLAG_FILE_SENT) {
498                         if (csum_length == SHORT_SUM_LENGTH) {
499                                 if (keep_partial && !partial_dir)
500                                         make_backups = -make_backups; /* prevents double backup */
501                                 if (append_mode)
502                                         sparse_files = -sparse_files;
503                                 append_mode = -append_mode;
504                                 csum_length = SUM_LENGTH;
505                                 redoing = 1;
506                         }
507                 } else {
508                         if (csum_length != SHORT_SUM_LENGTH) {
509                                 if (keep_partial && !partial_dir)
510                                         make_backups = -make_backups;
511                                 if (append_mode)
512                                         sparse_files = -sparse_files;
513                                 append_mode = -append_mode;
514                                 csum_length = SHORT_SUM_LENGTH;
515                                 redoing = 0;
516                         }
517                 }
518
519                 if (!am_server && do_progress)
520                         set_current_file_index(file, ndx);
521                 stats.num_transferred_files++;
522                 stats.total_transferred_size += F_LENGTH(file);
523
524                 cleanup_got_literal = 0;
525
526                 if (daemon_filter_list.head
527                     && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0) {
528                         rprintf(FERROR, "attempt to hack rsync failed.\n");
529                         exit_cleanup(RERR_PROTOCOL);
530                 }
531
532                 if (!do_xfers) { /* log the transfer */
533                         log_item(FCLIENT, file, &stats, iflags, NULL);
534                         if (read_batch)
535                                 discard_receive_data(f_in, F_LENGTH(file));
536                         continue;
537                 }
538                 if (write_batch < 0) {
539                         log_item(FCLIENT, file, &stats, iflags, NULL);
540                         if (!am_server)
541                                 discard_receive_data(f_in, F_LENGTH(file));
542                         continue;
543                 }
544
545                 if (read_batch) {
546                         if (!(redoing ? we_want_redo(ndx) : gen_wants_ndx(ndx))) {
547                                 rprintf(FINFO,
548                                         "(Skipping batched update for%s \"%s\")\n",
549                                         redoing ? " resend of" : "",
550                                         fname);
551                                 discard_receive_data(f_in, F_LENGTH(file));
552                                 file->flags |= FLAG_FILE_SENT;
553                                 continue;
554                         }
555                 }
556
557                 partialptr = partial_dir ? partial_dir_fname(fname) : fname;
558
559                 if (protocol_version >= 29) {
560                         switch (fnamecmp_type) {
561                         case FNAMECMP_FNAME:
562                                 fnamecmp = fname;
563                                 break;
564                         case FNAMECMP_PARTIAL_DIR:
565                                 fnamecmp = partialptr;
566                                 break;
567                         case FNAMECMP_BACKUP:
568                                 fnamecmp = get_backup_name(fname);
569                                 break;
570                         case FNAMECMP_FUZZY:
571                                 if (file->dirname) {
572                                         pathjoin(fnamecmpbuf, MAXPATHLEN,
573                                                  file->dirname, xname);
574                                         fnamecmp = fnamecmpbuf;
575                                 } else
576                                         fnamecmp = xname;
577                                 break;
578                         default:
579                                 if (fnamecmp_type >= basis_dir_cnt) {
580                                         rprintf(FERROR,
581                                                 "invalid basis_dir index: %d.\n",
582                                                 fnamecmp_type);
583                                         exit_cleanup(RERR_PROTOCOL);
584                                 }
585                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
586                                          basis_dir[fnamecmp_type], fname);
587                                 fnamecmp = fnamecmpbuf;
588                                 break;
589                         }
590                         if (!fnamecmp || (daemon_filter_list.head
591                           && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0)) {
592                                 fnamecmp = fname;
593                                 fnamecmp_type = FNAMECMP_FNAME;
594                         }
595                 } else {
596                         /* Reminder: --inplace && --partial-dir are never
597                          * enabled at the same time. */
598                         if (inplace && make_backups > 0) {
599                                 if (!(fnamecmp = get_backup_name(fname)))
600                                         fnamecmp = fname;
601                                 else
602                                         fnamecmp_type = FNAMECMP_BACKUP;
603                         } else if (partial_dir && partialptr)
604                                 fnamecmp = partialptr;
605                         else
606                                 fnamecmp = fname;
607                 }
608
609                 initial_stats = stats;
610
611                 /* open the file */
612                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
613
614                 if (fd1 == -1 && protocol_version < 29) {
615                         if (fnamecmp != fname) {
616                                 fnamecmp = fname;
617                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
618                         }
619
620                         if (fd1 == -1 && basis_dir[0]) {
621                                 /* pre-29 allowed only one alternate basis */
622                                 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
623                                          basis_dir[0], fname);
624                                 fnamecmp = fnamecmpbuf;
625                                 fd1 = do_open(fnamecmp, O_RDONLY, 0);
626                         }
627                 }
628
629                 updating_basis_or_equiv = inplace
630                     && (fnamecmp == fname || fnamecmp_type == FNAMECMP_BACKUP);
631
632                 if (fd1 == -1) {
633                         st.st_mode = 0;
634                         st.st_size = 0;
635                 } else if (do_fstat(fd1,&st) != 0) {
636                         rsyserr(FERROR_XFER, errno, "fstat %s failed",
637                                 full_fname(fnamecmp));
638                         discard_receive_data(f_in, F_LENGTH(file));
639                         close(fd1);
640                         if (inc_recurse)
641                                 send_msg_int(MSG_NO_SEND, ndx);
642                         continue;
643                 }
644
645                 if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
646                         /* this special handling for directories
647                          * wouldn't be necessary if robust_rename()
648                          * and the underlying robust_unlink could cope
649                          * with directories
650                          */
651                         rprintf(FERROR_XFER, "recv_files: %s is a directory\n",
652                                 full_fname(fnamecmp));
653                         discard_receive_data(f_in, F_LENGTH(file));
654                         close(fd1);
655                         if (inc_recurse)
656                                 send_msg_int(MSG_NO_SEND, ndx);
657                         continue;
658                 }
659
660                 if (fd1 != -1 && !S_ISREG(st.st_mode)) {
661                         close(fd1);
662                         fd1 = -1;
663                 }
664
665                 /* If we're not preserving permissions, change the file-list's
666                  * mode based on the local permissions and some heuristics. */
667                 if (!preserve_perms) {
668                         int exists = fd1 != -1;
669 #ifdef SUPPORT_ACLS
670                         const char *dn = file->dirname ? file->dirname : ".";
671                         if (parent_dirname != dn
672                          && strcmp(parent_dirname, dn) != 0) {
673                                 dflt_perms = default_perms_for_dir(dn);
674                                 parent_dirname = dn;
675                         }
676 #endif
677                         file->mode = dest_mode(file->mode, st.st_mode,
678                                                dflt_perms, exists);
679                 }
680
681                 /* We now check to see if we are writing the file "inplace" */
682                 if (inplace)  {
683                         fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600);
684                         if (fd2 == -1) {
685                                 rsyserr(FERROR_XFER, errno, "open %s failed",
686                                         full_fname(fname));
687                         }
688                 } else {
689                         fd2 = open_tmpfile(fnametmp, fname, file);
690                         if (fd2 != -1)
691                                 cleanup_set(fnametmp, partialptr, file, fd1, fd2);
692                 }
693
694                 if (fd2 == -1) {
695                         discard_receive_data(f_in, F_LENGTH(file));
696                         if (fd1 != -1)
697                                 close(fd1);
698                         if (inc_recurse)
699                                 send_msg_int(MSG_NO_SEND, ndx);
700                         continue;
701                 }
702
703                 /* log the transfer */
704                 if (log_before_transfer)
705                         log_item(FCLIENT, file, &initial_stats, iflags, NULL);
706                 else if (!am_server && verbose && do_progress)
707                         rprintf(FINFO, "%s\n", fname);
708
709                 /* recv file data */
710                 recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
711                                        fname, fd2, F_LENGTH(file));
712
713                 log_item(log_code, file, &initial_stats, iflags, NULL);
714
715                 if (fd1 != -1)
716                         close(fd1);
717                 if (close(fd2) < 0) {
718                         rsyserr(FERROR, errno, "close failed on %s",
719                                 full_fname(fnametmp));
720                         exit_cleanup(RERR_FILEIO);
721                 }
722
723                 if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
724                         if (partialptr == fname)
725                                 partialptr = NULL;
726                         if (!finish_transfer(fname, fnametmp, fnamecmp,
727                                              partialptr, file, recv_ok, 1))
728                                 recv_ok = -1;
729                         else if (fnamecmp == partialptr) {
730                                 do_unlink(partialptr);
731                                 handle_partial_dir(partialptr, PDIR_DELETE);
732                         }
733                 } else if (keep_partial && partialptr) {
734                         if (!handle_partial_dir(partialptr, PDIR_CREATE)) {
735                                 rprintf(FERROR,
736                                     "Unable to create partial-dir for %s -- discarding %s.\n",
737                                     local_name ? local_name : f_name(file, NULL),
738                                     recv_ok ? "completed file" : "partial file");
739                                 do_unlink(fnametmp);
740                                 recv_ok = -1;
741                         } else if (!finish_transfer(partialptr, fnametmp, fnamecmp, NULL,
742                                                     file, recv_ok, !partial_dir))
743                                 recv_ok = -1;
744                         else if (delay_updates && recv_ok) {
745                                 bitbag_set_bit(delayed_bits, ndx);
746                                 recv_ok = 2;
747                         } else
748                                 partialptr = NULL;
749                 } else
750                         do_unlink(fnametmp);
751
752                 cleanup_disable();
753
754                 if (read_batch)
755                         file->flags |= FLAG_FILE_SENT;
756
757                 switch (recv_ok) {
758                 case 2:
759                         break;
760                 case 1:
761                         if (remove_source_files || inc_recurse
762                          || (preserve_hard_links && F_IS_HLINKED(file)))
763                                 send_msg_int(MSG_SUCCESS, ndx);
764                         break;
765                 case 0: {
766                         enum logcode msgtype = redoing ? FERROR_XFER : FWARNING;
767                         if (msgtype == FERROR_XFER || verbose) {
768                                 char *errstr, *redostr, *keptstr;
769                                 if (!(keep_partial && partialptr) && !inplace)
770                                         keptstr = "discarded";
771                                 else if (partial_dir)
772                                         keptstr = "put into partial-dir";
773                                 else
774                                         keptstr = "retained";
775                                 if (msgtype == FERROR_XFER) {
776                                         errstr = "ERROR";
777                                         redostr = "";
778                                 } else {
779                                         errstr = "WARNING";
780                                         redostr = read_batch ? " (may try again)"
781                                                              : " (will try again)";
782                                 }
783                                 rprintf(msgtype,
784                                         "%s: %s failed verification -- update %s%s.\n",
785                                         errstr, local_name ? f_name(file, NULL) : fname,
786                                         keptstr, redostr);
787                         }
788                         if (!redoing) {
789                                 if (read_batch)
790                                         flist_ndx_push(&batch_redo_list, ndx);
791                                 send_msg_int(MSG_REDO, ndx);
792                                 file->flags |= FLAG_FILE_SENT;
793                         } else if (inc_recurse)
794                                 send_msg_int(MSG_NO_SEND, ndx);
795                         break;
796                     }
797                 case -1:
798                         if (inc_recurse)
799                                 send_msg_int(MSG_NO_SEND, ndx);
800                         break;
801                 }
802         }
803         if (make_backups < 0)
804                 make_backups = -make_backups;
805
806         if (phase == 2 && delay_updates) /* for protocol_version < 29 */
807                 handle_delayed_updates(local_name);
808
809         if (verbose > 2)
810                 rprintf(FINFO,"recv_files finished\n");
811
812         return 0;
813 }