Add flist_find_ignore_dirness() and change delete_in_dir() to use it.
[rsync/rsync.git] / receiver.c
CommitLineData
0f78b815
WD
1/*
2 * Routines only used by the receiving process.
3 *
4 * Copyright (C) 1996-2000 Andrew Tridgell
5 * Copyright (C) 1996 Paul Mackerras
d3d07a5e 6 * Copyright (C) 2003-2008 Wayne Davison
0f78b815
WD
7 *
8 * This program is free software; you can redistribute it and/or modify
8e41b68e
WD
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.
0f78b815
WD
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 *
e7c67065 18 * You should have received a copy of the GNU General Public License along
4fd842f9 19 * with this program; if not, visit the http://fsf.org website.
0f78b815 20 */
2f03f956
AT
21
22#include "rsync.h"
5dd14f0c 23#include "inums.h"
2f03f956 24
16edf865 25extern int dry_run;
a0009fc3 26extern int do_xfers;
8715db2c 27extern int am_server;
3ea6e0e7 28extern int inc_recurse;
910e89b9 29extern int log_before_transfer;
2fedf3d5 30extern int stdout_format_has_i;
ecc7623e 31extern int logfile_format_has_i;
2f03f956 32extern int csum_length;
16cc9ca2 33extern int read_batch;
a0009fc3 34extern int write_batch;
16cc9ca2 35extern int batch_gen_fd;
41cfde6b 36extern int protocol_version;
2f03f956 37extern int relative_paths;
744e63fb 38extern int preserve_hard_links;
92b9eb97 39extern int preserve_perms;
16edf865 40extern int preserve_xattrs;
c56595d7 41extern int basis_dir_cnt;
53dd3135 42extern int make_backups;
925c517f 43extern int cleanup_got_literal;
744e63fb 44extern int remove_source_files;
6cc11982 45extern int append_mode;
e7ee91de 46extern int sparse_files;
55e50d89 47extern int keep_partial;
886df221 48extern int checksum_len;
ba582f75 49extern int checksum_seed;
a3221d2a 50extern int inplace;
48e1c8c6 51extern int delay_updates;
1c3344a1 52extern mode_t orig_umask;
8715db2c 53extern struct stats stats;
8715db2c
WD
54extern char *tmpdir;
55extern char *partial_dir;
b791d680
WD
56extern char *basis_dir[MAX_BASIS_DIRS+1];
57extern char sender_file_sum[MAX_DIGEST_LEN];
6755a7d7 58extern struct file_list *cur_flist, *first_flist, *dir_flist;
819bfe45 59extern struct filter_list_struct daemon_filter_list;
5ebab6c1 60
10f994a5 61static struct bitbag *delayed_bits = NULL;
d0221f1d 62static int phase = 0, redoing = 0;
8ab02ccd 63static flist_ndx_list batch_redo_list;
48459ba1 64/* We're either updating the basis file or an identical copy: */
77943e69 65static int updating_basis_or_equiv;
3e7934a5 66
52d3e106
S
67/*
68 * get_tmpname() - create a tmp filename for a given filename
69 *
70 * If a tmpdir is defined, use that as the directory to
71 * put it in. Otherwise, the tmp filename is in the same
72 * directory as the given name. Note that there may be no
73 * directory at all in the given name!
17fadf7d 74 *
52d3e106
S
75 * The tmp filename is basically the given filename with a
76 * dot prepended, and .XXXXXX appended (for mkstemp() to
77 * put its unique gunk in). Take care to not exceed
78 * either the MAXPATHLEN or NAME_MAX, esp. the last, as
79 * the basename basically becomes 8 chars longer. In that
80 * case, the original name is shortened sufficiently to
81 * make it all fit.
17fadf7d 82 *
52d3e106
S
83 * Of course, there's no real reason for the tmp name to
84 * look like the original, except to satisfy us humans.
85 * As long as it's unique, rsync will work.
86 */
87
93204cca 88int get_tmpname(char *fnametmp, const char *fname)
2f03f956 89{
d5dcb6f7 90 int maxname, added, length = 0;
93204cca 91 const char *f;
2f03f956 92
2f03f956 93 if (tmpdir) {
a24639bb 94 /* Note: this can't overflow, so the return value is safe */
b7cee949 95 length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
52d3e106 96 fnametmp[length++] = '/';
0c2ef5f4 97 }
52d3e106 98
0c2ef5f4 99 if ((f = strrchr(fname, '/')) != NULL) {
52d3e106
S
100 ++f;
101 if (!tmpdir) {
102 length = f - fname;
0c2ef5f4 103 /* copy up to and including the slash */
52d3e106 104 strlcpy(fnametmp, fname, length + 1);
0c2ef5f4 105 }
446e239e 106 } else
52d3e106 107 f = fname;
52d3e106 108 fnametmp[length++] = '.';
2f03f956 109
d5dcb6f7
WD
110 /* The maxname value is bufsize, and includes space for the '\0'.
111 * (Note that NAME_MAX get -8 for the leading '.' above.) */
52d3e106 112 maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
2f03f956 113
0c2ef5f4 114 if (maxname < 1) {
3f0211b6 115 rprintf(FERROR_XFER, "temporary filename too long: %s\n", fname);
52d3e106 116 fnametmp[0] = '\0';
2f03f956
AT
117 return 0;
118 }
119
d5dcb6f7
WD
120 added = strlcpy(fnametmp + length, f, maxname);
121 if (added >= maxname)
122 added = maxname - 1;
123 memcpy(fnametmp + length + added, ".XXXXXX", 8);
2f03f956
AT
124
125 return 1;
126}
127
2cce7545
WD
128/* Opens a temporary file for writing.
129 * Success: Writes name into fnametmp, returns fd.
130 * Failure: Clobbers fnametmp, returns -1.
131 * Calling cleanup_set() is the caller's job. */
132int open_tmpfile(char *fnametmp, const char *fname, struct file_struct *file)
133{
134 int fd;
135
136 if (!get_tmpname(fnametmp, fname))
137 return -1;
138
139 /* We initially set the perms without the setuid/setgid bits or group
140 * access to ensure that there is no race condition. They will be
141 * correctly updated after the right owner and group info is set.
142 * (Thanks to snabb@epipe.fi for pointing this out.) */
143 fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
144
145#if 0
146 /* In most cases parent directories will already exist because their
147 * information should have been previously transferred, but that may
148 * not be the case with -R */
149 if (fd == -1 && relative_paths && errno == ENOENT
150 && create_directory_path(fnametmp) == 0) {
151 /* Get back to name with XXXXXX in it. */
152 get_tmpname(fnametmp, fname);
153 fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
154 }
155#endif
156
157 if (fd == -1) {
3f0211b6 158 rsyserr(FERROR_XFER, errno, "mkstemp %s failed",
2cce7545
WD
159 full_fname(fnametmp));
160 return -1;
161 }
162
163 return fd;
164}
2f03f956 165
7e5fa372 166static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
55edf18c 167 const char *fname, int fd, OFF_T total_size)
2f03f956 168{
a0456b9c 169 static char file_sum1[MAX_DIGEST_LEN];
7e5fa372 170 struct map_struct *mapbuf;
fc0257c9 171 struct sum_struct sum;
886df221 172 int32 len;
2f03f956 173 OFF_T offset = 0;
89e540e6 174 OFF_T offset2;
2f03f956 175 char *data;
6c495e0d 176 int32 i;
e1f67417 177 char *map = NULL;
17fadf7d 178
fc0257c9 179 read_sum_head(f_in, &sum);
17fadf7d 180
7e5fa372 181 if (fd_r >= 0 && size_r > 0) {
80264051
WD
182 int32 read_size = MAX(sum.blength * 2, 16*1024);
183 mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
5a18b34d 184 if (DEBUG_GTE(DELTASUM, 2)) {
6d56efa6 185 rprintf(FINFO, "recv mapped %s of size %s\n",
adc2476f 186 fname_r, big_num(size_r));
7e5fa372
WD
187 }
188 } else
189 mapbuf = NULL;
190
ba582f75 191 sum_init(checksum_seed);
17fadf7d 192
f3d6d480 193 if (append_mode > 0) {
6cc11982
WD
194 OFF_T j;
195 sum.flength = (OFF_T)sum.count * sum.blength;
196 if (sum.remainder)
197 sum.flength -= sum.blength - sum.remainder;
936fa865
WD
198 if (append_mode == 2) {
199 for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
951e826b 200 if (INFO_GTE(PROGRESS, 1))
936fa865
WD
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);
951e826b 208 if (INFO_GTE(PROGRESS, 1))
936fa865
WD
209 show_progress(offset, total_size);
210 sum_update(map_ptr(mapbuf, offset, len), len);
211 }
6cc11982 212 }
936fa865 213 offset = sum.flength;
ffa8ab8e 214 if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) {
6d56efa6 215 rsyserr(FERROR_XFER, errno, "lseek of %s returned %s, not %s",
adc2476f 216 full_fname(fname), big_num(j), big_num(offset));
6cc11982
WD
217 exit_cleanup(RERR_FILEIO);
218 }
219 }
220
3f55bd5d 221 while ((i = recv_token(f_in, &data)) != 0) {
951e826b 222 if (INFO_GTE(PROGRESS, 1))
16417f8b 223 show_progress(offset, total_size);
2f03f956
AT
224
225 if (i > 0) {
5a18b34d 226 if (DEBUG_GTE(DELTASUM, 3)) {
6d56efa6 227 rprintf(FINFO,"data recv %d at %s\n",
adc2476f 228 i, big_num(offset));
2f03f956
AT
229 }
230
231 stats.literal_data += i;
232 cleanup_got_literal = 1;
17fadf7d 233
6c495e0d 234 sum_update(data, i);
2f03f956 235
c52461f9
WD
236 if (fd != -1 && write_file(fd,data,i) != i)
237 goto report_write_error;
2f03f956
AT
238 offset += i;
239 continue;
17fadf7d 240 }
2f03f956
AT
241
242 i = -(i+1);
6c495e0d 243 offset2 = i * (OFF_T)sum.blength;
fc0257c9 244 len = sum.blength;
d2a918b4 245 if (i == (int)sum.count-1 && sum.remainder != 0)
fc0257c9 246 len = sum.remainder;
17fadf7d 247
2f03f956 248 stats.matched_data += len;
17fadf7d 249
5a18b34d 250 if (DEBUG_GTE(DELTASUM, 3)) {
6c495e0d 251 rprintf(FINFO,
6d56efa6 252 "chunk[%d] of size %ld at %s offset=%s\n",
adc2476f 253 i, (long)len, big_num(offset2), big_num(offset));
6c495e0d 254 }
17fadf7d 255
446e239e
WD
256 if (mapbuf) {
257 map = map_ptr(mapbuf,offset2,len);
17fadf7d 258
c55f7021 259 see_token(map, len);
6c495e0d 260 sum_update(map, len);
c55f7021 261 }
17fadf7d 262
77943e69 263 if (updating_basis_or_equiv) {
89e540e6 264 if (offset == offset2 && fd != -1) {
ffa8ab8e 265 OFF_T pos;
c52461f9
WD
266 if (flush_write_file(fd) < 0)
267 goto report_write_error;
89e540e6 268 offset += len;
ffa8ab8e 269 if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) {
3f0211b6 270 rsyserr(FERROR_XFER, errno,
6d56efa6 271 "lseek of %s returned %s, not %s",
ffa8ab8e 272 full_fname(fname),
adc2476f 273 big_num(pos), big_num(offset));
fab65a5b
WD
274 exit_cleanup(RERR_FILEIO);
275 }
89e540e6 276 continue;
a3221d2a 277 }
2f03f956 278 }
1ed91a04 279 if (fd != -1 && map && write_file(fd, map, len) != (int)len)
c52461f9 280 goto report_write_error;
2f03f956
AT
281 offset += len;
282 }
283
85f14172
WD
284 if (flush_write_file(fd) < 0)
285 goto report_write_error;
76c21947 286
4f5b0756 287#ifdef HAVE_FTRUNCATE
94112924
WD
288 if (inplace && fd != -1) {
289 if (ftruncate(fd, offset) < 0) {
290 rsyserr(FWARNING, errno, "ftruncate failed on %s",
291 full_fname(fname));
292 }
293 }
a3221d2a
WD
294#endif
295
951e826b 296 if (INFO_GTE(PROGRESS, 1))
16417f8b 297 end_progress(total_size);
2f03f956
AT
298
299 if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
c52461f9 300 report_write_error:
3f0211b6 301 rsyserr(FERROR_XFER, errno, "write failed on %s",
d62bcc17 302 full_fname(fname));
65417579 303 exit_cleanup(RERR_FILEIO);
2f03f956
AT
304 }
305
886df221
WD
306 if (sum_end(file_sum1) != checksum_len)
307 overflow_exit("checksum_len"); /* Impossible... */
2f03f956 308
7e5fa372
WD
309 if (mapbuf)
310 unmap_file(mapbuf);
311
886df221 312 read_buf(f_in, sender_file_sum, checksum_len);
5a18b34d 313 if (DEBUG_GTE(DELTASUM, 2))
bc63ae3f 314 rprintf(FINFO,"got file_sum\n");
886df221 315 if (fd != -1 && memcmp(file_sum1, sender_file_sum, checksum_len) != 0)
bc63ae3f 316 return 0;
2f03f956
AT
317 return 1;
318}
319
320
8ed9d849
WD
321static void discard_receive_data(int f_in, OFF_T length)
322{
7e5fa372 323 receive_data(f_in, NULL, -1, 0, NULL, -1, length);
8ed9d849
WD
324}
325
f3d6d480 326static void handle_delayed_updates(char *local_name)
42be5320 327{
663b2857 328 char *fname, *partialptr;
0395130c 329 int ndx;
42be5320 330
0395130c 331 for (ndx = -1; (ndx = bitbag_next_bit(delayed_bits, ndx)) >= 0; ) {
f3d6d480 332 struct file_struct *file = cur_flist->files[ndx];
6cbde57d 333 fname = local_name ? local_name : f_name(file, NULL);
42be5320 334 if ((partialptr = partial_dir_fname(fname)) != NULL) {
f3d6d480 335 if (make_backups > 0 && !make_backup(fname))
42be5320 336 continue;
951e826b 337 if (DEBUG_GTE(RECV, 1)) {
42be5320 338 rprintf(FINFO, "renaming %s to %s\n",
45c49b52 339 partialptr, fname);
42be5320 340 }
6a94c58b
WD
341 /* We don't use robust_rename() here because the
342 * partial-dir must be on the same drive. */
42be5320 343 if (do_rename(partialptr, fname) < 0) {
3f0211b6 344 rsyserr(FERROR_XFER, errno,
42be5320 345 "rename failed for %s (from %s)",
45c49b52 346 full_fname(fname), partialptr);
42be5320 347 } else {
47c11975 348 if (remove_source_files
112d728f 349 || (preserve_hard_links && F_IS_HLINKED(file)))
0395130c 350 send_msg_int(MSG_SUCCESS, ndx);
45c49b52 351 handle_partial_dir(partialptr, PDIR_DELETE);
42be5320
WD
352 }
353 }
354 }
355}
356
8ab02ccd 357static void no_batched_update(int ndx, BOOL is_redo)
154cdaaa 358{
8ab02ccd
WD
359 struct file_list *flist = flist_for_ndx(ndx, "no_batched_update");
360 struct file_struct *file = flist->files[ndx - flist->ndx_start];
361
362 rprintf(FERROR_XFER, "(No batched update for%s \"%s\")\n",
363 is_redo ? " resend of" : "", f_name(file, NULL));
364
365 if (inc_recurse)
366 send_msg_int(MSG_NO_SEND, ndx);
367}
368
369static int we_want_redo(int desired_ndx)
370{
371 static int redo_ndx = -1;
372
373 while (redo_ndx < desired_ndx) {
374 if (redo_ndx >= 0)
375 no_batched_update(redo_ndx, True);
376 if ((redo_ndx = flist_ndx_pop(&batch_redo_list)) < 0)
377 return 0;
378 }
379
380 if (redo_ndx == desired_ndx) {
381 redo_ndx = -1;
382 return 1;
383 }
384
385 return 0;
386}
387
388static int gen_wants_ndx(int desired_ndx)
389{
390 static int next_ndx = -1;
391 static BOOL got_eof = 0;
392
393 if (got_eof)
394 return 0;
395
396 while (next_ndx < desired_ndx) {
397 if (next_ndx >= 0)
398 no_batched_update(next_ndx, False);
399 if ((next_ndx = read_int(batch_gen_fd)) < 0) {
400 got_eof = True;
401 return 0;
154cdaaa 402 }
154cdaaa 403 }
af2dea60 404
8ab02ccd
WD
405 if (next_ndx == desired_ndx) {
406 next_ndx = -1;
407 return 1;
408 }
409
410 return 0;
154cdaaa
WD
411}
412
b35d0d8e
MP
413/**
414 * main routine for receiver process.
415 *
416 * Receiver process runs on the same host as the generator process. */
f3d6d480 417int recv_files(int f_in, char *local_name)
17fadf7d 418{
2f03f956
AT
419 int fd1,fd2;
420 STRUCT_STAT st;
b9232d45 421 int iflags, xlen;
446e239e 422 char *fname, fbuf[MAXPATHLEN];
b9232d45 423 char xname[MAXPATHLEN];
2f03f956 424 char fnametmp[MAXPATHLEN];
663b2857 425 char *fnamecmp, *partialptr;
375a4556 426 char fnamecmpbuf[MAXPATHLEN];
9e4a8d29 427 uchar fnamecmp_type;
2f03f956 428 struct file_struct *file;
1b7c47cb 429 struct stats initial_stats;
2fedf3d5
WD
430 int itemizing = am_server ? logfile_format_has_i : stdout_format_has_i;
431 enum logcode log_code = log_before_transfer ? FLOG : FINFO;
1ed91a04 432 int max_phase = protocol_version >= 29 ? 2 : 1;
1c3344a1
WD
433 int dflt_perms = (ACCESSPERMS & ~orig_umask);
434#ifdef SUPPORT_ACLS
435 const char *parent_dirname = "";
436#endif
0395130c 437 int ndx, recv_ok;
11a5a3c7 438
951e826b 439 if (DEBUG_GTE(RECV, 1))
9decb4d2 440 rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->used);
2f03f956 441
3e7934a5 442 if (delay_updates)
9decb4d2 443 delayed_bits = bitbag_create(cur_flist->used + 1);
48e1c8c6 444
17fadf7d 445 while (1) {
2f03f956
AT
446 cleanup_disable();
447
f3d6d480 448 /* This call also sets cur_flist. */
16edf865
WD
449 ndx = read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type,
450 xname, &xlen);
0395130c 451 if (ndx == NDX_DONE) {
951e826b
WD
452 if (!am_server && INFO_GTE(PROGRESS, 2) && cur_flist) {
453 set_current_file_index(NULL, 0);
454 end_progress(0);
455 }
3ea6e0e7 456 if (inc_recurse && first_flist) {
8ab02ccd
WD
457 if (read_batch)
458 gen_wants_ndx(first_flist->used + first_flist->ndx_start);
f3d6d480
WD
459 flist_free(first_flist);
460 if (first_flist)
461 continue;
8ab02ccd
WD
462 } else if (read_batch && first_flist)
463 gen_wants_ndx(first_flist->used);
ac3f7b81 464 if (++phase > max_phase)
4e834af1 465 break;
951e826b 466 if (DEBUG_GTE(RECV, 1))
4e834af1 467 rprintf(FINFO, "recv_files phase=%d\n", phase);
ac3f7b81 468 if (phase == 2 && delay_updates)
f3d6d480 469 handle_delayed_updates(local_name);
332cf6df 470 send_msg(MSG_DONE, "", 0, 0);
4e834af1 471 continue;
2f03f956
AT
472 }
473
6755a7d7
WD
474 if (ndx - cur_flist->ndx_start >= 0)
475 file = cur_flist->files[ndx - cur_flist->ndx_start];
476 else
477 file = dir_flist->files[cur_flist->parent_ndx];
6cbde57d 478 fname = local_name ? local_name : f_name(file, fbuf);
227a9c41 479
951e826b 480 if (DEBUG_GTE(RECV, 1))
45c49b52 481 rprintf(FINFO, "recv_files(%s)\n", fname);
910e89b9 482
16edf865
WD
483#ifdef SUPPORT_XATTRS
484 if (iflags & ITEM_REPORT_XATTR && !dry_run)
485 recv_xattr_request(file, f_in);
486#endif
487
22907b6b 488 if (!(iflags & ITEM_TRANSFER)) {
b9232d45 489 maybe_log_item(file, iflags, itemizing, xname);
16edf865
WD
490#ifdef SUPPORT_XATTRS
491 if (preserve_xattrs && iflags & ITEM_REPORT_XATTR && !dry_run)
492 set_file_attrs(fname, file, NULL, fname, 0);
493#endif
e366e530
WD
494 if (iflags & ITEM_IS_NEW) {
495 stats.created_files++;
496 if (S_ISREG(file->mode)) {
497 /* Nothing further to count. */
498 } else if (S_ISDIR(file->mode))
499 stats.created_dirs++;
500#ifdef SUPPORT_LINKS
501 else if (S_ISLNK(file->mode))
502 stats.created_symlinks++;
503#endif
504 else if (IS_DEVICE(file->mode))
505 stats.created_devices++;
506 else
507 stats.created_specials++;
508 }
58a14ed9
WD
509 continue;
510 }
ac3f7b81
WD
511 if (phase == 2) {
512 rprintf(FERROR,
513 "got transfer request in phase 2 [%s]\n",
514 who_am_i());
515 exit_cleanup(RERR_PROTOCOL);
516 }
910e89b9 517
f3d6d480
WD
518 if (file->flags & FLAG_FILE_SENT) {
519 if (csum_length == SHORT_SUM_LENGTH) {
520 if (keep_partial && !partial_dir)
521 make_backups = -make_backups; /* prevents double backup */
936fa865
WD
522 if (append_mode)
523 sparse_files = -sparse_files;
f3d6d480 524 append_mode = -append_mode;
f3d6d480 525 csum_length = SUM_LENGTH;
d0221f1d 526 redoing = 1;
f3d6d480
WD
527 }
528 } else {
529 if (csum_length != SHORT_SUM_LENGTH) {
530 if (keep_partial && !partial_dir)
531 make_backups = -make_backups;
936fa865
WD
532 if (append_mode)
533 sparse_files = -sparse_files;
f3d6d480 534 append_mode = -append_mode;
f3d6d480 535 csum_length = SHORT_SUM_LENGTH;
d0221f1d 536 redoing = 0;
f3d6d480 537 }
e366e530
WD
538 if (iflags & ITEM_IS_NEW)
539 stats.created_files++;
f3d6d480
WD
540 }
541
951e826b 542 if (!am_server && INFO_GTE(PROGRESS, 1))
65b4e4b2 543 set_current_file_index(file, ndx);
e366e530 544 stats.xferred_files++;
112d728f 545 stats.total_transferred_size += F_LENGTH(file);
65b4e4b2 546
925c517f 547 cleanup_got_literal = 0;
2f03f956 548
819bfe45 549 if (daemon_filter_list.head
1df02d13 550 && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0) {
8c2ffaf0
WD
551 rprintf(FERROR, "attempt to hack rsync failed.\n");
552 exit_cleanup(RERR_PROTOCOL);
553 }
554
a0009fc3 555 if (!do_xfers) { /* log the transfer */
85909931 556 log_item(FCLIENT, file, &stats, iflags, NULL);
f957e8fd 557 if (read_batch)
112d728f 558 discard_receive_data(f_in, F_LENGTH(file));
2f03f956
AT
559 continue;
560 }
a0009fc3 561 if (write_batch < 0) {
1c65a93d 562 log_item(FCLIENT, file, &stats, iflags, NULL);
b10917a4 563 if (!am_server)
112d728f 564 discard_receive_data(f_in, F_LENGTH(file));
a0009fc3
WD
565 continue;
566 }
2f03f956 567
16cc9ca2 568 if (read_batch) {
8ab02ccd 569 if (!(redoing ? we_want_redo(ndx) : gen_wants_ndx(ndx))) {
45c49b52 570 rprintf(FINFO,
8ab02ccd
WD
571 "(Skipping batched update for%s \"%s\")\n",
572 redoing ? " resend of" : "",
45c49b52 573 fname);
112d728f 574 discard_receive_data(f_in, F_LENGTH(file));
8ab02ccd 575 file->flags |= FLAG_FILE_SENT;
16cc9ca2
WD
576 continue;
577 }
578 }
579
41cfde6b
WD
580 partialptr = partial_dir ? partial_dir_fname(fname) : fname;
581
9e4a8d29
WD
582 if (protocol_version >= 29) {
583 switch (fnamecmp_type) {
41cfde6b 584 case FNAMECMP_FNAME:
a7260c40 585 fnamecmp = fname;
41cfde6b
WD
586 break;
587 case FNAMECMP_PARTIAL_DIR:
9e4a8d29 588 fnamecmp = partialptr;
41cfde6b
WD
589 break;
590 case FNAMECMP_BACKUP:
591 fnamecmp = get_backup_name(fname);
592 break;
73273075 593 case FNAMECMP_FUZZY:
b9232d45
WD
594 if (file->dirname) {
595 pathjoin(fnamecmpbuf, MAXPATHLEN,
596 file->dirname, xname);
597 fnamecmp = fnamecmpbuf;
598 } else
599 fnamecmp = xname;
73273075 600 break;
41cfde6b 601 default:
9e4a8d29 602 if (fnamecmp_type >= basis_dir_cnt) {
c56595d7
WD
603 rprintf(FERROR,
604 "invalid basis_dir index: %d.\n",
9e4a8d29 605 fnamecmp_type);
c56595d7
WD
606 exit_cleanup(RERR_PROTOCOL);
607 }
41cfde6b 608 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
9e4a8d29 609 basis_dir[fnamecmp_type], fname);
41cfde6b
WD
610 fnamecmp = fnamecmpbuf;
611 break;
612 }
819bfe45 613 if (!fnamecmp || (daemon_filter_list.head
1df02d13 614 && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0)) {
9e4a8d29 615 fnamecmp = fname;
77943e69
WD
616 fnamecmp_type = FNAMECMP_FNAME;
617 }
9e4a8d29
WD
618 } else {
619 /* Reminder: --inplace && --partial-dir are never
620 * enabled at the same time. */
f3d6d480 621 if (inplace && make_backups > 0) {
9e4a8d29
WD
622 if (!(fnamecmp = get_backup_name(fname)))
623 fnamecmp = fname;
77943e69
WD
624 else
625 fnamecmp_type = FNAMECMP_BACKUP;
9e4a8d29
WD
626 } else if (partial_dir && partialptr)
627 fnamecmp = partialptr;
628 else
629 fnamecmp = fname;
630 }
dc55d7bd 631
910e89b9
WD
632 initial_stats = stats;
633
17fadf7d 634 /* open the file */
8c9fd200 635 fd1 = do_open(fnamecmp, O_RDONLY, 0);
375a4556 636
9e4a8d29
WD
637 if (fd1 == -1 && protocol_version < 29) {
638 if (fnamecmp != fname) {
639 fnamecmp = fname;
640 fd1 = do_open(fnamecmp, O_RDONLY, 0);
641 }
642
643 if (fd1 == -1 && basis_dir[0]) {
644 /* pre-29 allowed only one alternate basis */
645 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
646 basis_dir[0], fname);
647 fnamecmp = fnamecmpbuf;
648 fd1 = do_open(fnamecmp, O_RDONLY, 0);
649 }
650 }
77943e69
WD
651
652 updating_basis_or_equiv = inplace
653 && (fnamecmp == fname || fnamecmp_type == FNAMECMP_BACKUP);
9e4a8d29 654
d5dcb6f7
WD
655 if (fd1 == -1) {
656 st.st_mode = 0;
657 st.st_size = 0;
658 } else if (do_fstat(fd1,&st) != 0) {
3f0211b6 659 rsyserr(FERROR_XFER, errno, "fstat %s failed",
d62bcc17 660 full_fname(fnamecmp));
112d728f 661 discard_receive_data(f_in, F_LENGTH(file));
2f03f956 662 close(fd1);
a430691d
WD
663 if (inc_recurse)
664 send_msg_int(MSG_NO_SEND, ndx);
2f03f956
AT
665 continue;
666 }
667
350e4e4d
S
668 if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
669 /* this special handling for directories
670 * wouldn't be necessary if robust_rename()
671 * and the underlying robust_unlink could cope
672 * with directories
673 */
3f0211b6 674 rprintf(FERROR_XFER, "recv_files: %s is a directory\n",
ea42541f 675 full_fname(fnamecmp));
112d728f 676 discard_receive_data(f_in, F_LENGTH(file));
2f03f956 677 close(fd1);
a430691d
WD
678 if (inc_recurse)
679 send_msg_int(MSG_NO_SEND, ndx);
2f03f956
AT
680 continue;
681 }
682
350e4e4d
S
683 if (fd1 != -1 && !S_ISREG(st.st_mode)) {
684 close(fd1);
685 fd1 = -1;
350e4e4d
S
686 }
687
a9d6e6fc
WD
688 /* If we're not preserving permissions, change the file-list's
689 * mode based on the local permissions and some heuristics. */
690 if (!preserve_perms) {
691 int exists = fd1 != -1;
1c3344a1
WD
692#ifdef SUPPORT_ACLS
693 const char *dn = file->dirname ? file->dirname : ".";
694 if (parent_dirname != dn
695 && strcmp(parent_dirname, dn) != 0) {
696 dflt_perms = default_perms_for_dir(dn);
697 parent_dirname = dn;
698 }
699#endif
700 file->mode = dest_mode(file->mode, st.st_mode,
701 dflt_perms, exists);
4df9f368
AT
702 }
703
48459ba1 704 /* We now check to see if we are writing the file "inplace" */
a3221d2a 705 if (inplace) {
97894c64 706 fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600);
a3221d2a 707 if (fd2 == -1) {
3f0211b6 708 rsyserr(FERROR_XFER, errno, "open %s failed",
dc55d7bd 709 full_fname(fname));
a3221d2a
WD
710 }
711 } else {
2cce7545
WD
712 fd2 = open_tmpfile(fnametmp, fname, file);
713 if (fd2 != -1)
714 cleanup_set(fnametmp, partialptr, file, fd1, fd2);
715 }
a3221d2a 716
2cce7545
WD
717 if (fd2 == -1) {
718 discard_receive_data(f_in, F_LENGTH(file));
719 if (fd1 != -1)
720 close(fd1);
721 if (inc_recurse)
722 send_msg_int(MSG_NO_SEND, ndx);
723 continue;
a3221d2a 724 }
2f03f956 725
a8ed4958 726 /* log the transfer */
910e89b9 727 if (log_before_transfer)
85909931 728 log_item(FCLIENT, file, &initial_stats, iflags, NULL);
951e826b 729 else if (!am_server && INFO_GTE(NAME, 1) && INFO_EQ(PROGRESS, 1))
45c49b52 730 rprintf(FINFO, "%s\n", fname);
11a5a3c7 731
2f03f956 732 /* recv file data */
7e5fa372 733 recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
112d728f 734 fname, fd2, F_LENGTH(file));
1b7c47cb 735
2fedf3d5 736 log_item(log_code, file, &initial_stats, iflags, NULL);
17fadf7d 737
d2a918b4 738 if (fd1 != -1)
2f03f956 739 close(fd1);
9f27cd8c 740 if (close(fd2) < 0) {
d62bcc17
WD
741 rsyserr(FERROR, errno, "close failed on %s",
742 full_fname(fnametmp));
9f27cd8c
WD
743 exit_cleanup(RERR_FILEIO);
744 }
17fadf7d 745
68795c64 746 if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
01d124d9 747 if (partialptr == fname)
83235dbc
WD
748 partialptr = NULL;
749 if (!finish_transfer(fname, fnametmp, fnamecmp,
750 partialptr, file, recv_ok, 1))
751 recv_ok = -1;
752 else if (fnamecmp == partialptr) {
aec6b9f8
WD
753 do_unlink(partialptr);
754 handle_partial_dir(partialptr, PDIR_DELETE);
755 }
459abd75
WD
756 } else if (keep_partial && partialptr) {
757 if (!handle_partial_dir(partialptr, PDIR_CREATE)) {
758 rprintf(FERROR,
759 "Unable to create partial-dir for %s -- discarding %s.\n",
760 local_name ? local_name : f_name(file, NULL),
761 recv_ok ? "completed file" : "partial file");
762 do_unlink(fnametmp);
763 recv_ok = -1;
764 } else if (!finish_transfer(partialptr, fnametmp, fnamecmp, NULL,
765 file, recv_ok, !partial_dir))
3e7934a5 766 recv_ok = -1;
83235dbc
WD
767 else if (delay_updates && recv_ok) {
768 bitbag_set_bit(delayed_bits, ndx);
769 recv_ok = 2;
459abd75
WD
770 } else
771 partialptr = NULL;
772 } else
55e50d89 773 do_unlink(fnametmp);
a7260c40 774
2f03f956 775 cleanup_disable();
554e0a8d 776
8ab02ccd
WD
777 if (read_batch)
778 file->flags |= FLAG_FILE_SENT;
779
83235dbc 780 switch (recv_ok) {
459abd75
WD
781 case 2:
782 break;
83235dbc 783 case 1:
3ea6e0e7 784 if (remove_source_files || inc_recurse
112d728f 785 || (preserve_hard_links && F_IS_HLINKED(file)))
0395130c 786 send_msg_int(MSG_SUCCESS, ndx);
83235dbc
WD
787 break;
788 case 0: {
964244b9 789 enum logcode msgtype = redoing ? FERROR_XFER : FWARNING;
951e826b 790 if (msgtype == FERROR_XFER || INFO_GTE(NAME, 1)) {
a7260c40
WD
791 char *errstr, *redostr, *keptstr;
792 if (!(keep_partial && partialptr) && !inplace)
793 keptstr = "discarded";
794 else if (partial_dir)
795 keptstr = "put into partial-dir";
796 else
797 keptstr = "retained";
964244b9 798 if (msgtype == FERROR_XFER) {
007e3c0e
WD
799 errstr = "ERROR";
800 redostr = "";
801 } else {
802 errstr = "WARNING";
964244b9
WD
803 redostr = read_batch ? " (may try again)"
804 : " (will try again)";
007e3c0e
WD
805 }
806 rprintf(msgtype,
a7260c40 807 "%s: %s failed verification -- update %s%s.\n",
964244b9
WD
808 errstr, local_name ? f_name(file, NULL) : fname,
809 keptstr, redostr);
007e3c0e 810 }
d0221f1d 811 if (!redoing) {
8ab02ccd
WD
812 if (read_batch)
813 flist_ndx_push(&batch_redo_list, ndx);
0395130c 814 send_msg_int(MSG_REDO, ndx);
f3d6d480 815 file->flags |= FLAG_FILE_SENT;
3ea6e0e7 816 } else if (inc_recurse)
d0221f1d 817 send_msg_int(MSG_NO_SEND, ndx);
83235dbc
WD
818 break;
819 }
820 case -1:
821 if (inc_recurse)
822 send_msg_int(MSG_NO_SEND, ndx);
823 break;
2f03f956
AT
824 }
825 }
f3d6d480
WD
826 if (make_backups < 0)
827 make_backups = -make_backups;
2f03f956 828
ac3f7b81 829 if (phase == 2 && delay_updates) /* for protocol_version < 29 */
f3d6d480 830 handle_delayed_updates(local_name);
48e1c8c6 831
e366e530
WD
832 if (read_batch) {
833 read_int(batch_gen_fd); /* Discard -1 */
834 read_del_stats(batch_gen_fd);
835 }
836
951e826b 837 if (DEBUG_GTE(RECV, 1))
2f03f956 838 rprintf(FINFO,"recv_files finished\n");
17fadf7d 839
2f03f956
AT
840 return 0;
841}