Commit | Line | Data |
---|---|---|
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 | |
b3bf9b9d | 6 | * Copyright (C) 2003-2009 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 | 25 | extern int dry_run; |
a0009fc3 | 26 | extern int do_xfers; |
8715db2c | 27 | extern int am_server; |
3ea6e0e7 | 28 | extern int inc_recurse; |
910e89b9 | 29 | extern int log_before_transfer; |
2fedf3d5 | 30 | extern int stdout_format_has_i; |
ecc7623e | 31 | extern int logfile_format_has_i; |
2f03f956 | 32 | extern int csum_length; |
16cc9ca2 | 33 | extern int read_batch; |
a0009fc3 | 34 | extern int write_batch; |
16cc9ca2 | 35 | extern int batch_gen_fd; |
41cfde6b | 36 | extern int protocol_version; |
2f03f956 | 37 | extern int relative_paths; |
744e63fb | 38 | extern int preserve_hard_links; |
92b9eb97 | 39 | extern int preserve_perms; |
16edf865 | 40 | extern int preserve_xattrs; |
c56595d7 | 41 | extern int basis_dir_cnt; |
53dd3135 | 42 | extern int make_backups; |
925c517f | 43 | extern int cleanup_got_literal; |
744e63fb | 44 | extern int remove_source_files; |
6cc11982 | 45 | extern int append_mode; |
e7ee91de | 46 | extern int sparse_files; |
55e50d89 | 47 | extern int keep_partial; |
886df221 | 48 | extern int checksum_len; |
ba582f75 | 49 | extern int checksum_seed; |
a3221d2a | 50 | extern int inplace; |
48e1c8c6 | 51 | extern int delay_updates; |
1c3344a1 | 52 | extern mode_t orig_umask; |
8715db2c | 53 | extern struct stats stats; |
8715db2c WD |
54 | extern char *tmpdir; |
55 | extern char *partial_dir; | |
b791d680 WD |
56 | extern char *basis_dir[MAX_BASIS_DIRS+1]; |
57 | extern char sender_file_sum[MAX_DIGEST_LEN]; | |
6755a7d7 | 58 | extern struct file_list *cur_flist, *first_flist, *dir_flist; |
7b6c5c77 | 59 | extern filter_rule_list daemon_filter_list; |
5ebab6c1 | 60 | |
10f994a5 | 61 | static struct bitbag *delayed_bits = NULL; |
d0221f1d | 62 | static int phase = 0, redoing = 0; |
8ab02ccd | 63 | static flist_ndx_list batch_redo_list; |
48459ba1 | 64 | /* We're either updating the basis file or an identical copy: */ |
77943e69 | 65 | static int updating_basis_or_equiv; |
3e7934a5 | 66 | |
c55fb5e1 WD |
67 | #define TMPNAME_SUFFIX ".XXXXXX" |
68 | #define TMPNAME_SUFFIX_LEN ((int)sizeof TMPNAME_SUFFIX - 1) | |
69 | #define MAX_UNIQUE_NUMBER 999999 | |
70 | #define MAX_UNIQUE_LOOP 100 | |
71 | ||
72 | /* get_tmpname() - create a tmp filename for a given filename | |
52d3e106 | 73 | * |
c55fb5e1 WD |
74 | * If a tmpdir is defined, use that as the directory to put it in. Otherwise, |
75 | * the tmp filename is in the same directory as the given name. Note that | |
76 | * there may be no directory at all in the given name! | |
17fadf7d | 77 | * |
c55fb5e1 WD |
78 | * The tmp filename is basically the given filename with a dot prepended, and |
79 | * .XXXXXX appended (for mkstemp() to put its unique gunk in). We take care | |
80 | * to not exceed either the MAXPATHLEN or NAME_MAX, especially the last, as | |
81 | * the basename basically becomes 8 characters longer. In such a case, the | |
82 | * original name is shortened sufficiently to make it all fit. | |
17fadf7d | 83 | * |
c55fb5e1 WD |
84 | * If the make_unique arg is True, the XXXXXX string is replaced with a unique |
85 | * string that doesn't exist at the time of the check. This is intended to be | |
86 | * used for creating hard links, symlinks, devices, and special files, since | |
87 | * normal files should be handled by mkstemp() for safety. | |
88 | * | |
89 | * Of course, the only reason the file is based on the original name is to | |
90 | * make it easier to figure out what purpose a temp file is serving when a | |
91 | * transfer is in progress. */ | |
92 | int get_tmpname(char *fnametmp, const char *fname, BOOL make_unique) | |
2f03f956 | 93 | { |
d5dcb6f7 | 94 | int maxname, added, length = 0; |
93204cca | 95 | const char *f; |
c55fb5e1 | 96 | char *suf; |
2f03f956 | 97 | |
2f03f956 | 98 | if (tmpdir) { |
a24639bb | 99 | /* Note: this can't overflow, so the return value is safe */ |
b7cee949 | 100 | length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2); |
52d3e106 | 101 | fnametmp[length++] = '/'; |
0c2ef5f4 | 102 | } |
52d3e106 | 103 | |
0c2ef5f4 | 104 | if ((f = strrchr(fname, '/')) != NULL) { |
52d3e106 S |
105 | ++f; |
106 | if (!tmpdir) { | |
107 | length = f - fname; | |
0c2ef5f4 | 108 | /* copy up to and including the slash */ |
52d3e106 | 109 | strlcpy(fnametmp, fname, length + 1); |
0c2ef5f4 | 110 | } |
446e239e | 111 | } else |
52d3e106 | 112 | f = fname; |
52d3e106 | 113 | fnametmp[length++] = '.'; |
2f03f956 | 114 | |
d5dcb6f7 | 115 | /* The maxname value is bufsize, and includes space for the '\0'. |
c55fb5e1 WD |
116 | * NAME_MAX needs an extra -1 for the name's leading dot. */ |
117 | maxname = MIN(MAXPATHLEN - length - TMPNAME_SUFFIX_LEN, | |
118 | NAME_MAX - 1 - TMPNAME_SUFFIX_LEN); | |
2f03f956 | 119 | |
0c2ef5f4 | 120 | if (maxname < 1) { |
3f0211b6 | 121 | rprintf(FERROR_XFER, "temporary filename too long: %s\n", fname); |
52d3e106 | 122 | fnametmp[0] = '\0'; |
2f03f956 AT |
123 | return 0; |
124 | } | |
125 | ||
d5dcb6f7 WD |
126 | added = strlcpy(fnametmp + length, f, maxname); |
127 | if (added >= maxname) | |
128 | added = maxname - 1; | |
c55fb5e1 WD |
129 | suf = fnametmp + length + added; |
130 | ||
131 | if (make_unique) { | |
132 | static unsigned counter_limit; | |
133 | unsigned counter; | |
134 | ||
135 | if (!counter_limit) { | |
136 | counter_limit = (unsigned)getpid() + MAX_UNIQUE_LOOP; | |
137 | if (counter_limit > MAX_UNIQUE_NUMBER || counter_limit < MAX_UNIQUE_LOOP) | |
138 | counter_limit = MAX_UNIQUE_LOOP; | |
139 | } | |
140 | counter = counter_limit - MAX_UNIQUE_LOOP; | |
141 | ||
142 | /* This doesn't have to be very good because we don't need | |
143 | * to worry about someone trying to guess the values: all | |
144 | * a conflict will do is cause a device, special file, hard | |
145 | * link, or symlink to fail to be created. Also: avoid | |
146 | * using mktemp() due to gcc's annoying warning. */ | |
147 | while (1) { | |
148 | snprintf(suf, TMPNAME_SUFFIX_LEN+1, ".%d", counter); | |
149 | if (access(fnametmp, 0) < 0) | |
150 | break; | |
151 | if (++counter >= counter_limit) | |
152 | return 0; | |
153 | } | |
154 | } else | |
155 | memcpy(suf, TMPNAME_SUFFIX, TMPNAME_SUFFIX_LEN+1); | |
2f03f956 AT |
156 | |
157 | return 1; | |
158 | } | |
159 | ||
2cce7545 WD |
160 | /* Opens a temporary file for writing. |
161 | * Success: Writes name into fnametmp, returns fd. | |
162 | * Failure: Clobbers fnametmp, returns -1. | |
163 | * Calling cleanup_set() is the caller's job. */ | |
164 | int open_tmpfile(char *fnametmp, const char *fname, struct file_struct *file) | |
165 | { | |
166 | int fd; | |
167 | ||
c55fb5e1 | 168 | if (!get_tmpname(fnametmp, fname, False)) |
2cce7545 WD |
169 | return -1; |
170 | ||
171 | /* We initially set the perms without the setuid/setgid bits or group | |
172 | * access to ensure that there is no race condition. They will be | |
173 | * correctly updated after the right owner and group info is set. | |
174 | * (Thanks to snabb@epipe.fi for pointing this out.) */ | |
175 | fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS); | |
176 | ||
177 | #if 0 | |
178 | /* In most cases parent directories will already exist because their | |
179 | * information should have been previously transferred, but that may | |
180 | * not be the case with -R */ | |
181 | if (fd == -1 && relative_paths && errno == ENOENT | |
3696674b | 182 | && make_path(fnametmp, MKP_SKIP_SLASH | MKP_DROP_NAME) == 0) { |
2cce7545 | 183 | /* Get back to name with XXXXXX in it. */ |
c55fb5e1 | 184 | get_tmpname(fnametmp, fname, False); |
2cce7545 WD |
185 | fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS); |
186 | } | |
187 | #endif | |
188 | ||
189 | if (fd == -1) { | |
3f0211b6 | 190 | rsyserr(FERROR_XFER, errno, "mkstemp %s failed", |
2cce7545 WD |
191 | full_fname(fnametmp)); |
192 | return -1; | |
193 | } | |
194 | ||
195 | return fd; | |
196 | } | |
2f03f956 | 197 | |
7e5fa372 | 198 | static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r, |
55edf18c | 199 | const char *fname, int fd, OFF_T total_size) |
2f03f956 | 200 | { |
a0456b9c | 201 | static char file_sum1[MAX_DIGEST_LEN]; |
7e5fa372 | 202 | struct map_struct *mapbuf; |
fc0257c9 | 203 | struct sum_struct sum; |
886df221 | 204 | int32 len; |
2f03f956 | 205 | OFF_T offset = 0; |
89e540e6 | 206 | OFF_T offset2; |
2f03f956 | 207 | char *data; |
6c495e0d | 208 | int32 i; |
e1f67417 | 209 | char *map = NULL; |
17fadf7d | 210 | |
fc0257c9 | 211 | read_sum_head(f_in, &sum); |
17fadf7d | 212 | |
7e5fa372 | 213 | if (fd_r >= 0 && size_r > 0) { |
80264051 WD |
214 | int32 read_size = MAX(sum.blength * 2, 16*1024); |
215 | mapbuf = map_file(fd_r, size_r, read_size, sum.blength); | |
5a18b34d | 216 | if (DEBUG_GTE(DELTASUM, 2)) { |
6d56efa6 | 217 | rprintf(FINFO, "recv mapped %s of size %s\n", |
adc2476f | 218 | fname_r, big_num(size_r)); |
7e5fa372 WD |
219 | } |
220 | } else | |
221 | mapbuf = NULL; | |
222 | ||
ba582f75 | 223 | sum_init(checksum_seed); |
17fadf7d | 224 | |
f3d6d480 | 225 | if (append_mode > 0) { |
6cc11982 WD |
226 | OFF_T j; |
227 | sum.flength = (OFF_T)sum.count * sum.blength; | |
228 | if (sum.remainder) | |
229 | sum.flength -= sum.blength - sum.remainder; | |
936fa865 WD |
230 | if (append_mode == 2) { |
231 | for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) { | |
951e826b | 232 | if (INFO_GTE(PROGRESS, 1)) |
936fa865 WD |
233 | show_progress(offset, total_size); |
234 | sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE), | |
235 | CHUNK_SIZE); | |
236 | offset = j; | |
237 | } | |
238 | if (offset < sum.flength) { | |
239 | int32 len = (int32)(sum.flength - offset); | |
951e826b | 240 | if (INFO_GTE(PROGRESS, 1)) |
936fa865 WD |
241 | show_progress(offset, total_size); |
242 | sum_update(map_ptr(mapbuf, offset, len), len); | |
243 | } | |
6cc11982 | 244 | } |
936fa865 | 245 | offset = sum.flength; |
ffa8ab8e | 246 | if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) { |
6d56efa6 | 247 | rsyserr(FERROR_XFER, errno, "lseek of %s returned %s, not %s", |
adc2476f | 248 | full_fname(fname), big_num(j), big_num(offset)); |
6cc11982 WD |
249 | exit_cleanup(RERR_FILEIO); |
250 | } | |
251 | } | |
252 | ||
3f55bd5d | 253 | while ((i = recv_token(f_in, &data)) != 0) { |
951e826b | 254 | if (INFO_GTE(PROGRESS, 1)) |
16417f8b | 255 | show_progress(offset, total_size); |
2f03f956 AT |
256 | |
257 | if (i > 0) { | |
5a18b34d | 258 | if (DEBUG_GTE(DELTASUM, 3)) { |
6d56efa6 | 259 | rprintf(FINFO,"data recv %d at %s\n", |
adc2476f | 260 | i, big_num(offset)); |
2f03f956 AT |
261 | } |
262 | ||
263 | stats.literal_data += i; | |
264 | cleanup_got_literal = 1; | |
17fadf7d | 265 | |
6c495e0d | 266 | sum_update(data, i); |
2f03f956 | 267 | |
c52461f9 WD |
268 | if (fd != -1 && write_file(fd,data,i) != i) |
269 | goto report_write_error; | |
2f03f956 AT |
270 | offset += i; |
271 | continue; | |
17fadf7d | 272 | } |
2f03f956 AT |
273 | |
274 | i = -(i+1); | |
6c495e0d | 275 | offset2 = i * (OFF_T)sum.blength; |
fc0257c9 | 276 | len = sum.blength; |
d2a918b4 | 277 | if (i == (int)sum.count-1 && sum.remainder != 0) |
fc0257c9 | 278 | len = sum.remainder; |
17fadf7d | 279 | |
2f03f956 | 280 | stats.matched_data += len; |
17fadf7d | 281 | |
5a18b34d | 282 | if (DEBUG_GTE(DELTASUM, 3)) { |
6c495e0d | 283 | rprintf(FINFO, |
6d56efa6 | 284 | "chunk[%d] of size %ld at %s offset=%s\n", |
adc2476f | 285 | i, (long)len, big_num(offset2), big_num(offset)); |
6c495e0d | 286 | } |
17fadf7d | 287 | |
446e239e WD |
288 | if (mapbuf) { |
289 | map = map_ptr(mapbuf,offset2,len); | |
17fadf7d | 290 | |
c55f7021 | 291 | see_token(map, len); |
6c495e0d | 292 | sum_update(map, len); |
c55f7021 | 293 | } |
17fadf7d | 294 | |
77943e69 | 295 | if (updating_basis_or_equiv) { |
89e540e6 | 296 | if (offset == offset2 && fd != -1) { |
ffa8ab8e | 297 | OFF_T pos; |
c52461f9 WD |
298 | if (flush_write_file(fd) < 0) |
299 | goto report_write_error; | |
89e540e6 | 300 | offset += len; |
ffa8ab8e | 301 | if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) { |
3f0211b6 | 302 | rsyserr(FERROR_XFER, errno, |
6d56efa6 | 303 | "lseek of %s returned %s, not %s", |
ffa8ab8e | 304 | full_fname(fname), |
adc2476f | 305 | big_num(pos), big_num(offset)); |
fab65a5b WD |
306 | exit_cleanup(RERR_FILEIO); |
307 | } | |
89e540e6 | 308 | continue; |
a3221d2a | 309 | } |
2f03f956 | 310 | } |
1ed91a04 | 311 | if (fd != -1 && map && write_file(fd, map, len) != (int)len) |
c52461f9 | 312 | goto report_write_error; |
2f03f956 AT |
313 | offset += len; |
314 | } | |
315 | ||
85f14172 WD |
316 | if (flush_write_file(fd) < 0) |
317 | goto report_write_error; | |
76c21947 | 318 | |
4f5b0756 | 319 | #ifdef HAVE_FTRUNCATE |
aade88bf WD |
320 | if (inplace && fd != -1 |
321 | && ftruncate(fd, offset) < 0) { | |
322 | rsyserr(FERROR_XFER, errno, "ftruncate failed on %s", | |
323 | full_fname(fname)); | |
94112924 | 324 | } |
a3221d2a WD |
325 | #endif |
326 | ||
951e826b | 327 | if (INFO_GTE(PROGRESS, 1)) |
16417f8b | 328 | end_progress(total_size); |
2f03f956 AT |
329 | |
330 | if (fd != -1 && offset > 0 && sparse_end(fd) != 0) { | |
c52461f9 | 331 | report_write_error: |
3f0211b6 | 332 | rsyserr(FERROR_XFER, errno, "write failed on %s", |
d62bcc17 | 333 | full_fname(fname)); |
65417579 | 334 | exit_cleanup(RERR_FILEIO); |
2f03f956 AT |
335 | } |
336 | ||
886df221 WD |
337 | if (sum_end(file_sum1) != checksum_len) |
338 | overflow_exit("checksum_len"); /* Impossible... */ | |
2f03f956 | 339 | |
7e5fa372 WD |
340 | if (mapbuf) |
341 | unmap_file(mapbuf); | |
342 | ||
886df221 | 343 | read_buf(f_in, sender_file_sum, checksum_len); |
5a18b34d | 344 | if (DEBUG_GTE(DELTASUM, 2)) |
bc63ae3f | 345 | rprintf(FINFO,"got file_sum\n"); |
886df221 | 346 | if (fd != -1 && memcmp(file_sum1, sender_file_sum, checksum_len) != 0) |
bc63ae3f | 347 | return 0; |
2f03f956 AT |
348 | return 1; |
349 | } | |
350 | ||
351 | ||
8ed9d849 WD |
352 | static void discard_receive_data(int f_in, OFF_T length) |
353 | { | |
7e5fa372 | 354 | receive_data(f_in, NULL, -1, 0, NULL, -1, length); |
8ed9d849 WD |
355 | } |
356 | ||
f3d6d480 | 357 | static void handle_delayed_updates(char *local_name) |
42be5320 | 358 | { |
663b2857 | 359 | char *fname, *partialptr; |
0395130c | 360 | int ndx; |
42be5320 | 361 | |
0395130c | 362 | for (ndx = -1; (ndx = bitbag_next_bit(delayed_bits, ndx)) >= 0; ) { |
f3d6d480 | 363 | struct file_struct *file = cur_flist->files[ndx]; |
6cbde57d | 364 | fname = local_name ? local_name : f_name(file, NULL); |
42be5320 | 365 | if ((partialptr = partial_dir_fname(fname)) != NULL) { |
21cddef2 | 366 | if (make_backups > 0 && !make_backup(fname, False)) |
42be5320 | 367 | continue; |
951e826b | 368 | if (DEBUG_GTE(RECV, 1)) { |
42be5320 | 369 | rprintf(FINFO, "renaming %s to %s\n", |
45c49b52 | 370 | partialptr, fname); |
42be5320 | 371 | } |
6a94c58b WD |
372 | /* We don't use robust_rename() here because the |
373 | * partial-dir must be on the same drive. */ | |
42be5320 | 374 | if (do_rename(partialptr, fname) < 0) { |
3f0211b6 | 375 | rsyserr(FERROR_XFER, errno, |
42be5320 | 376 | "rename failed for %s (from %s)", |
45c49b52 | 377 | full_fname(fname), partialptr); |
42be5320 | 378 | } else { |
47c11975 | 379 | if (remove_source_files |
112d728f | 380 | || (preserve_hard_links && F_IS_HLINKED(file))) |
0395130c | 381 | send_msg_int(MSG_SUCCESS, ndx); |
45c49b52 | 382 | handle_partial_dir(partialptr, PDIR_DELETE); |
42be5320 WD |
383 | } |
384 | } | |
385 | } | |
386 | } | |
387 | ||
8ab02ccd | 388 | static void no_batched_update(int ndx, BOOL is_redo) |
154cdaaa | 389 | { |
8ab02ccd WD |
390 | struct file_list *flist = flist_for_ndx(ndx, "no_batched_update"); |
391 | struct file_struct *file = flist->files[ndx - flist->ndx_start]; | |
392 | ||
393 | rprintf(FERROR_XFER, "(No batched update for%s \"%s\")\n", | |
394 | is_redo ? " resend of" : "", f_name(file, NULL)); | |
395 | ||
83c32ca5 | 396 | if (inc_recurse && !dry_run) |
8ab02ccd WD |
397 | send_msg_int(MSG_NO_SEND, ndx); |
398 | } | |
399 | ||
400 | static int we_want_redo(int desired_ndx) | |
401 | { | |
402 | static int redo_ndx = -1; | |
403 | ||
404 | while (redo_ndx < desired_ndx) { | |
405 | if (redo_ndx >= 0) | |
406 | no_batched_update(redo_ndx, True); | |
407 | if ((redo_ndx = flist_ndx_pop(&batch_redo_list)) < 0) | |
408 | return 0; | |
409 | } | |
410 | ||
411 | if (redo_ndx == desired_ndx) { | |
412 | redo_ndx = -1; | |
413 | return 1; | |
414 | } | |
415 | ||
416 | return 0; | |
417 | } | |
418 | ||
7a498f5b | 419 | static int gen_wants_ndx(int desired_ndx, int flist_num) |
8ab02ccd WD |
420 | { |
421 | static int next_ndx = -1; | |
4079d6a6 WD |
422 | static int done_cnt = 0; |
423 | static BOOL got_eof = False; | |
8ab02ccd WD |
424 | |
425 | if (got_eof) | |
426 | return 0; | |
427 | ||
20caffd2 WD |
428 | /* TODO: integrate gen-reading I/O into perform_io() so this is not needed? */ |
429 | io_flush(FULL_FLUSH); | |
430 | ||
8ab02ccd | 431 | while (next_ndx < desired_ndx) { |
4079d6a6 WD |
432 | if (inc_recurse && flist_num <= done_cnt) |
433 | return 0; | |
8ab02ccd WD |
434 | if (next_ndx >= 0) |
435 | no_batched_update(next_ndx, False); | |
436 | if ((next_ndx = read_int(batch_gen_fd)) < 0) { | |
4079d6a6 WD |
437 | if (inc_recurse) { |
438 | done_cnt++; | |
439 | continue; | |
440 | } | |
8ab02ccd WD |
441 | got_eof = True; |
442 | return 0; | |
154cdaaa | 443 | } |
154cdaaa | 444 | } |
af2dea60 | 445 | |
8ab02ccd WD |
446 | if (next_ndx == desired_ndx) { |
447 | next_ndx = -1; | |
448 | return 1; | |
449 | } | |
450 | ||
451 | return 0; | |
154cdaaa WD |
452 | } |
453 | ||
b35d0d8e MP |
454 | /** |
455 | * main routine for receiver process. | |
456 | * | |
457 | * Receiver process runs on the same host as the generator process. */ | |
20caffd2 | 458 | int recv_files(int f_in, int f_out, char *local_name) |
17fadf7d | 459 | { |
2f03f956 AT |
460 | int fd1,fd2; |
461 | STRUCT_STAT st; | |
b9232d45 | 462 | int iflags, xlen; |
446e239e | 463 | char *fname, fbuf[MAXPATHLEN]; |
b9232d45 | 464 | char xname[MAXPATHLEN]; |
2f03f956 | 465 | char fnametmp[MAXPATHLEN]; |
663b2857 | 466 | char *fnamecmp, *partialptr; |
375a4556 | 467 | char fnamecmpbuf[MAXPATHLEN]; |
9e4a8d29 | 468 | uchar fnamecmp_type; |
2f03f956 | 469 | struct file_struct *file; |
2fedf3d5 WD |
470 | int itemizing = am_server ? logfile_format_has_i : stdout_format_has_i; |
471 | enum logcode log_code = log_before_transfer ? FLOG : FINFO; | |
1ed91a04 | 472 | int max_phase = protocol_version >= 29 ? 2 : 1; |
1c3344a1 WD |
473 | int dflt_perms = (ACCESSPERMS & ~orig_umask); |
474 | #ifdef SUPPORT_ACLS | |
475 | const char *parent_dirname = ""; | |
476 | #endif | |
0395130c | 477 | int ndx, recv_ok; |
11a5a3c7 | 478 | |
951e826b | 479 | if (DEBUG_GTE(RECV, 1)) |
9decb4d2 | 480 | rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->used); |
2f03f956 | 481 | |
3e7934a5 | 482 | if (delay_updates) |
9decb4d2 | 483 | delayed_bits = bitbag_create(cur_flist->used + 1); |
48e1c8c6 | 484 | |
17fadf7d | 485 | while (1) { |
2f03f956 AT |
486 | cleanup_disable(); |
487 | ||
f3d6d480 | 488 | /* This call also sets cur_flist. */ |
20caffd2 | 489 | ndx = read_ndx_and_attrs(f_in, f_out, &iflags, &fnamecmp_type, |
16edf865 | 490 | xname, &xlen); |
0395130c | 491 | if (ndx == NDX_DONE) { |
951e826b WD |
492 | if (!am_server && INFO_GTE(PROGRESS, 2) && cur_flist) { |
493 | set_current_file_index(NULL, 0); | |
494 | end_progress(0); | |
495 | } | |
3ea6e0e7 | 496 | if (inc_recurse && first_flist) { |
7a498f5b WD |
497 | if (read_batch) { |
498 | ndx = first_flist->used + first_flist->ndx_start; | |
499 | gen_wants_ndx(ndx, first_flist->flist_num); | |
500 | } | |
f3d6d480 WD |
501 | flist_free(first_flist); |
502 | if (first_flist) | |
503 | continue; | |
7a498f5b WD |
504 | } else if (read_batch && first_flist) { |
505 | ndx = first_flist->used; | |
506 | gen_wants_ndx(ndx, first_flist->flist_num); | |
507 | } | |
ac3f7b81 | 508 | if (++phase > max_phase) |
4e834af1 | 509 | break; |
951e826b | 510 | if (DEBUG_GTE(RECV, 1)) |
4e834af1 | 511 | rprintf(FINFO, "recv_files phase=%d\n", phase); |
ac3f7b81 | 512 | if (phase == 2 && delay_updates) |
f3d6d480 | 513 | handle_delayed_updates(local_name); |
20caffd2 | 514 | write_int(f_out, NDX_DONE); |
4e834af1 | 515 | continue; |
2f03f956 AT |
516 | } |
517 | ||
6755a7d7 WD |
518 | if (ndx - cur_flist->ndx_start >= 0) |
519 | file = cur_flist->files[ndx - cur_flist->ndx_start]; | |
520 | else | |
521 | file = dir_flist->files[cur_flist->parent_ndx]; | |
6cbde57d | 522 | fname = local_name ? local_name : f_name(file, fbuf); |
227a9c41 | 523 | |
951e826b | 524 | if (DEBUG_GTE(RECV, 1)) |
45c49b52 | 525 | rprintf(FINFO, "recv_files(%s)\n", fname); |
910e89b9 | 526 | |
16edf865 | 527 | #ifdef SUPPORT_XATTRS |
d510e82f | 528 | if (iflags & ITEM_REPORT_XATTR && do_xfers) |
16edf865 WD |
529 | recv_xattr_request(file, f_in); |
530 | #endif | |
531 | ||
22907b6b | 532 | if (!(iflags & ITEM_TRANSFER)) { |
b9232d45 | 533 | maybe_log_item(file, iflags, itemizing, xname); |
16edf865 | 534 | #ifdef SUPPORT_XATTRS |
d510e82f | 535 | if (preserve_xattrs && iflags & ITEM_REPORT_XATTR && do_xfers) |
16edf865 WD |
536 | set_file_attrs(fname, file, NULL, fname, 0); |
537 | #endif | |
e366e530 WD |
538 | if (iflags & ITEM_IS_NEW) { |
539 | stats.created_files++; | |
540 | if (S_ISREG(file->mode)) { | |
541 | /* Nothing further to count. */ | |
542 | } else if (S_ISDIR(file->mode)) | |
543 | stats.created_dirs++; | |
544 | #ifdef SUPPORT_LINKS | |
545 | else if (S_ISLNK(file->mode)) | |
546 | stats.created_symlinks++; | |
547 | #endif | |
548 | else if (IS_DEVICE(file->mode)) | |
549 | stats.created_devices++; | |
550 | else | |
551 | stats.created_specials++; | |
552 | } | |
58a14ed9 WD |
553 | continue; |
554 | } | |
ac3f7b81 WD |
555 | if (phase == 2) { |
556 | rprintf(FERROR, | |
557 | "got transfer request in phase 2 [%s]\n", | |
558 | who_am_i()); | |
559 | exit_cleanup(RERR_PROTOCOL); | |
560 | } | |
910e89b9 | 561 | |
f3d6d480 WD |
562 | if (file->flags & FLAG_FILE_SENT) { |
563 | if (csum_length == SHORT_SUM_LENGTH) { | |
564 | if (keep_partial && !partial_dir) | |
565 | make_backups = -make_backups; /* prevents double backup */ | |
936fa865 WD |
566 | if (append_mode) |
567 | sparse_files = -sparse_files; | |
f3d6d480 | 568 | append_mode = -append_mode; |
f3d6d480 | 569 | csum_length = SUM_LENGTH; |
d0221f1d | 570 | redoing = 1; |
f3d6d480 WD |
571 | } |
572 | } else { | |
573 | if (csum_length != SHORT_SUM_LENGTH) { | |
574 | if (keep_partial && !partial_dir) | |
575 | make_backups = -make_backups; | |
936fa865 WD |
576 | if (append_mode) |
577 | sparse_files = -sparse_files; | |
f3d6d480 | 578 | append_mode = -append_mode; |
f3d6d480 | 579 | csum_length = SHORT_SUM_LENGTH; |
d0221f1d | 580 | redoing = 0; |
f3d6d480 | 581 | } |
e366e530 WD |
582 | if (iflags & ITEM_IS_NEW) |
583 | stats.created_files++; | |
f3d6d480 WD |
584 | } |
585 | ||
951e826b | 586 | if (!am_server && INFO_GTE(PROGRESS, 1)) |
65b4e4b2 | 587 | set_current_file_index(file, ndx); |
e366e530 | 588 | stats.xferred_files++; |
112d728f | 589 | stats.total_transferred_size += F_LENGTH(file); |
65b4e4b2 | 590 | |
925c517f | 591 | cleanup_got_literal = 0; |
2f03f956 | 592 | |
819bfe45 | 593 | if (daemon_filter_list.head |
1df02d13 | 594 | && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0) { |
8c2ffaf0 WD |
595 | rprintf(FERROR, "attempt to hack rsync failed.\n"); |
596 | exit_cleanup(RERR_PROTOCOL); | |
597 | } | |
598 | ||
16cc9ca2 | 599 | if (read_batch) { |
7a498f5b WD |
600 | int wanted = redoing |
601 | ? we_want_redo(ndx) | |
602 | : gen_wants_ndx(ndx, cur_flist->flist_num); | |
603 | if (!wanted) { | |
45c49b52 | 604 | rprintf(FINFO, |
8ab02ccd WD |
605 | "(Skipping batched update for%s \"%s\")\n", |
606 | redoing ? " resend of" : "", | |
45c49b52 | 607 | fname); |
112d728f | 608 | discard_receive_data(f_in, F_LENGTH(file)); |
8ab02ccd | 609 | file->flags |= FLAG_FILE_SENT; |
16cc9ca2 WD |
610 | continue; |
611 | } | |
612 | } | |
613 | ||
4dde3347 WD |
614 | if (!log_before_transfer) |
615 | remember_initial_stats(); | |
616 | ||
83c32ca5 | 617 | if (!do_xfers) { /* log the transfer */ |
4dde3347 | 618 | log_item(FCLIENT, file, iflags, NULL); |
83c32ca5 WD |
619 | if (read_batch) |
620 | discard_receive_data(f_in, F_LENGTH(file)); | |
621 | continue; | |
622 | } | |
623 | if (write_batch < 0) { | |
4dde3347 | 624 | log_item(FCLIENT, file, iflags, NULL); |
83c32ca5 WD |
625 | if (!am_server) |
626 | discard_receive_data(f_in, F_LENGTH(file)); | |
627 | continue; | |
628 | } | |
629 | ||
41cfde6b WD |
630 | partialptr = partial_dir ? partial_dir_fname(fname) : fname; |
631 | ||
9e4a8d29 WD |
632 | if (protocol_version >= 29) { |
633 | switch (fnamecmp_type) { | |
41cfde6b | 634 | case FNAMECMP_FNAME: |
a7260c40 | 635 | fnamecmp = fname; |
41cfde6b WD |
636 | break; |
637 | case FNAMECMP_PARTIAL_DIR: | |
9e4a8d29 | 638 | fnamecmp = partialptr; |
41cfde6b WD |
639 | break; |
640 | case FNAMECMP_BACKUP: | |
641 | fnamecmp = get_backup_name(fname); | |
642 | break; | |
73273075 | 643 | case FNAMECMP_FUZZY: |
b9232d45 WD |
644 | if (file->dirname) { |
645 | pathjoin(fnamecmpbuf, MAXPATHLEN, | |
646 | file->dirname, xname); | |
647 | fnamecmp = fnamecmpbuf; | |
648 | } else | |
649 | fnamecmp = xname; | |
73273075 | 650 | break; |
41cfde6b | 651 | default: |
9e4a8d29 | 652 | if (fnamecmp_type >= basis_dir_cnt) { |
c56595d7 WD |
653 | rprintf(FERROR, |
654 | "invalid basis_dir index: %d.\n", | |
9e4a8d29 | 655 | fnamecmp_type); |
c56595d7 WD |
656 | exit_cleanup(RERR_PROTOCOL); |
657 | } | |
41cfde6b | 658 | pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, |
9e4a8d29 | 659 | basis_dir[fnamecmp_type], fname); |
41cfde6b WD |
660 | fnamecmp = fnamecmpbuf; |
661 | break; | |
662 | } | |
819bfe45 | 663 | if (!fnamecmp || (daemon_filter_list.head |
1df02d13 | 664 | && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0)) { |
9e4a8d29 | 665 | fnamecmp = fname; |
77943e69 WD |
666 | fnamecmp_type = FNAMECMP_FNAME; |
667 | } | |
9e4a8d29 WD |
668 | } else { |
669 | /* Reminder: --inplace && --partial-dir are never | |
670 | * enabled at the same time. */ | |
f3d6d480 | 671 | if (inplace && make_backups > 0) { |
9e4a8d29 WD |
672 | if (!(fnamecmp = get_backup_name(fname))) |
673 | fnamecmp = fname; | |
77943e69 WD |
674 | else |
675 | fnamecmp_type = FNAMECMP_BACKUP; | |
9e4a8d29 WD |
676 | } else if (partial_dir && partialptr) |
677 | fnamecmp = partialptr; | |
678 | else | |
679 | fnamecmp = fname; | |
680 | } | |
dc55d7bd | 681 | |
17fadf7d | 682 | /* open the file */ |
8c9fd200 | 683 | fd1 = do_open(fnamecmp, O_RDONLY, 0); |
375a4556 | 684 | |
9e4a8d29 WD |
685 | if (fd1 == -1 && protocol_version < 29) { |
686 | if (fnamecmp != fname) { | |
687 | fnamecmp = fname; | |
688 | fd1 = do_open(fnamecmp, O_RDONLY, 0); | |
689 | } | |
690 | ||
691 | if (fd1 == -1 && basis_dir[0]) { | |
692 | /* pre-29 allowed only one alternate basis */ | |
693 | pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, | |
694 | basis_dir[0], fname); | |
695 | fnamecmp = fnamecmpbuf; | |
696 | fd1 = do_open(fnamecmp, O_RDONLY, 0); | |
697 | } | |
698 | } | |
77943e69 WD |
699 | |
700 | updating_basis_or_equiv = inplace | |
701 | && (fnamecmp == fname || fnamecmp_type == FNAMECMP_BACKUP); | |
9e4a8d29 | 702 | |
d5dcb6f7 WD |
703 | if (fd1 == -1) { |
704 | st.st_mode = 0; | |
705 | st.st_size = 0; | |
706 | } else if (do_fstat(fd1,&st) != 0) { | |
3f0211b6 | 707 | rsyserr(FERROR_XFER, errno, "fstat %s failed", |
d62bcc17 | 708 | full_fname(fnamecmp)); |
112d728f | 709 | discard_receive_data(f_in, F_LENGTH(file)); |
2f03f956 | 710 | close(fd1); |
a430691d WD |
711 | if (inc_recurse) |
712 | send_msg_int(MSG_NO_SEND, ndx); | |
2f03f956 AT |
713 | continue; |
714 | } | |
715 | ||
350e4e4d S |
716 | if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) { |
717 | /* this special handling for directories | |
718 | * wouldn't be necessary if robust_rename() | |
719 | * and the underlying robust_unlink could cope | |
720 | * with directories | |
721 | */ | |
3f0211b6 | 722 | rprintf(FERROR_XFER, "recv_files: %s is a directory\n", |
ea42541f | 723 | full_fname(fnamecmp)); |
112d728f | 724 | discard_receive_data(f_in, F_LENGTH(file)); |
2f03f956 | 725 | close(fd1); |
a430691d WD |
726 | if (inc_recurse) |
727 | send_msg_int(MSG_NO_SEND, ndx); | |
2f03f956 AT |
728 | continue; |
729 | } | |
730 | ||
350e4e4d S |
731 | if (fd1 != -1 && !S_ISREG(st.st_mode)) { |
732 | close(fd1); | |
733 | fd1 = -1; | |
350e4e4d S |
734 | } |
735 | ||
a9d6e6fc WD |
736 | /* If we're not preserving permissions, change the file-list's |
737 | * mode based on the local permissions and some heuristics. */ | |
738 | if (!preserve_perms) { | |
739 | int exists = fd1 != -1; | |
1c3344a1 WD |
740 | #ifdef SUPPORT_ACLS |
741 | const char *dn = file->dirname ? file->dirname : "."; | |
742 | if (parent_dirname != dn | |
743 | && strcmp(parent_dirname, dn) != 0) { | |
744 | dflt_perms = default_perms_for_dir(dn); | |
745 | parent_dirname = dn; | |
746 | } | |
747 | #endif | |
748 | file->mode = dest_mode(file->mode, st.st_mode, | |
749 | dflt_perms, exists); | |
4df9f368 AT |
750 | } |
751 | ||
48459ba1 | 752 | /* We now check to see if we are writing the file "inplace" */ |
a3221d2a | 753 | if (inplace) { |
97894c64 | 754 | fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600); |
a3221d2a | 755 | if (fd2 == -1) { |
3f0211b6 | 756 | rsyserr(FERROR_XFER, errno, "open %s failed", |
dc55d7bd | 757 | full_fname(fname)); |
a3221d2a WD |
758 | } |
759 | } else { | |
2cce7545 WD |
760 | fd2 = open_tmpfile(fnametmp, fname, file); |
761 | if (fd2 != -1) | |
762 | cleanup_set(fnametmp, partialptr, file, fd1, fd2); | |
763 | } | |
a3221d2a | 764 | |
2cce7545 WD |
765 | if (fd2 == -1) { |
766 | discard_receive_data(f_in, F_LENGTH(file)); | |
767 | if (fd1 != -1) | |
768 | close(fd1); | |
769 | if (inc_recurse) | |
770 | send_msg_int(MSG_NO_SEND, ndx); | |
771 | continue; | |
a3221d2a | 772 | } |
2f03f956 | 773 | |
a8ed4958 | 774 | /* log the transfer */ |
910e89b9 | 775 | if (log_before_transfer) |
4dde3347 | 776 | log_item(FCLIENT, file, iflags, NULL); |
951e826b | 777 | else if (!am_server && INFO_GTE(NAME, 1) && INFO_EQ(PROGRESS, 1)) |
45c49b52 | 778 | rprintf(FINFO, "%s\n", fname); |
11a5a3c7 | 779 | |
2f03f956 | 780 | /* recv file data */ |
7e5fa372 | 781 | recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size, |
112d728f | 782 | fname, fd2, F_LENGTH(file)); |
1b7c47cb | 783 | |
4dde3347 | 784 | log_item(log_code, file, iflags, NULL); |
17fadf7d | 785 | |
d2a918b4 | 786 | if (fd1 != -1) |
2f03f956 | 787 | close(fd1); |
9f27cd8c | 788 | if (close(fd2) < 0) { |
d62bcc17 WD |
789 | rsyserr(FERROR, errno, "close failed on %s", |
790 | full_fname(fnametmp)); | |
9f27cd8c WD |
791 | exit_cleanup(RERR_FILEIO); |
792 | } | |
17fadf7d | 793 | |
68795c64 | 794 | if ((recv_ok && (!delay_updates || !partialptr)) || inplace) { |
01d124d9 | 795 | if (partialptr == fname) |
83235dbc WD |
796 | partialptr = NULL; |
797 | if (!finish_transfer(fname, fnametmp, fnamecmp, | |
798 | partialptr, file, recv_ok, 1)) | |
799 | recv_ok = -1; | |
800 | else if (fnamecmp == partialptr) { | |
aec6b9f8 WD |
801 | do_unlink(partialptr); |
802 | handle_partial_dir(partialptr, PDIR_DELETE); | |
803 | } | |
459abd75 WD |
804 | } else if (keep_partial && partialptr) { |
805 | if (!handle_partial_dir(partialptr, PDIR_CREATE)) { | |
806 | rprintf(FERROR, | |
807 | "Unable to create partial-dir for %s -- discarding %s.\n", | |
808 | local_name ? local_name : f_name(file, NULL), | |
809 | recv_ok ? "completed file" : "partial file"); | |
810 | do_unlink(fnametmp); | |
811 | recv_ok = -1; | |
812 | } else if (!finish_transfer(partialptr, fnametmp, fnamecmp, NULL, | |
813 | file, recv_ok, !partial_dir)) | |
3e7934a5 | 814 | recv_ok = -1; |
83235dbc WD |
815 | else if (delay_updates && recv_ok) { |
816 | bitbag_set_bit(delayed_bits, ndx); | |
817 | recv_ok = 2; | |
459abd75 WD |
818 | } else |
819 | partialptr = NULL; | |
820 | } else | |
55e50d89 | 821 | do_unlink(fnametmp); |
a7260c40 | 822 | |
2f03f956 | 823 | cleanup_disable(); |
554e0a8d | 824 | |
8ab02ccd WD |
825 | if (read_batch) |
826 | file->flags |= FLAG_FILE_SENT; | |
827 | ||
83235dbc | 828 | switch (recv_ok) { |
459abd75 WD |
829 | case 2: |
830 | break; | |
83235dbc | 831 | case 1: |
3ea6e0e7 | 832 | if (remove_source_files || inc_recurse |
112d728f | 833 | || (preserve_hard_links && F_IS_HLINKED(file))) |
0395130c | 834 | send_msg_int(MSG_SUCCESS, ndx); |
83235dbc WD |
835 | break; |
836 | case 0: { | |
964244b9 | 837 | enum logcode msgtype = redoing ? FERROR_XFER : FWARNING; |
951e826b | 838 | if (msgtype == FERROR_XFER || INFO_GTE(NAME, 1)) { |
a7260c40 WD |
839 | char *errstr, *redostr, *keptstr; |
840 | if (!(keep_partial && partialptr) && !inplace) | |
841 | keptstr = "discarded"; | |
842 | else if (partial_dir) | |
843 | keptstr = "put into partial-dir"; | |
844 | else | |
845 | keptstr = "retained"; | |
964244b9 | 846 | if (msgtype == FERROR_XFER) { |
007e3c0e WD |
847 | errstr = "ERROR"; |
848 | redostr = ""; | |
849 | } else { | |
850 | errstr = "WARNING"; | |
964244b9 WD |
851 | redostr = read_batch ? " (may try again)" |
852 | : " (will try again)"; | |
007e3c0e WD |
853 | } |
854 | rprintf(msgtype, | |
a7260c40 | 855 | "%s: %s failed verification -- update %s%s.\n", |
964244b9 WD |
856 | errstr, local_name ? f_name(file, NULL) : fname, |
857 | keptstr, redostr); | |
007e3c0e | 858 | } |
d0221f1d | 859 | if (!redoing) { |
8ab02ccd WD |
860 | if (read_batch) |
861 | flist_ndx_push(&batch_redo_list, ndx); | |
0395130c | 862 | send_msg_int(MSG_REDO, ndx); |
f3d6d480 | 863 | file->flags |= FLAG_FILE_SENT; |
3ea6e0e7 | 864 | } else if (inc_recurse) |
d0221f1d | 865 | send_msg_int(MSG_NO_SEND, ndx); |
83235dbc WD |
866 | break; |
867 | } | |
868 | case -1: | |
869 | if (inc_recurse) | |
870 | send_msg_int(MSG_NO_SEND, ndx); | |
871 | break; | |
2f03f956 AT |
872 | } |
873 | } | |
f3d6d480 WD |
874 | if (make_backups < 0) |
875 | make_backups = -make_backups; | |
2f03f956 | 876 | |
ac3f7b81 | 877 | if (phase == 2 && delay_updates) /* for protocol_version < 29 */ |
f3d6d480 | 878 | handle_delayed_updates(local_name); |
48e1c8c6 | 879 | |
951e826b | 880 | if (DEBUG_GTE(RECV, 1)) |
2f03f956 | 881 | rprintf(FINFO,"recv_files finished\n"); |
17fadf7d | 882 | |
2f03f956 AT |
883 | return 0; |
884 | } |