Commit | Line | Data |
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ef1aa910 | 1 | /* -*- c-file-style: "linux" -*- |
91262d5d MP |
2 | |
3 | rsync -- fast file replication program | |
2cda2560 WD |
4 | |
5 | Copyright (C) 1996-2000 by Andrew Tridgell | |
2f03f956 | 6 | Copyright (C) Paul Mackerras 1996 |
91262d5d | 7 | Copyright (C) 2002 by Martin Pool <mbp@samba.org> |
2cda2560 | 8 | |
2f03f956 AT |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
2cda2560 | 13 | |
2f03f956 AT |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
2cda2560 | 18 | |
2f03f956 AT |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | */ | |
23 | ||
24 | #include "rsync.h" | |
25 | ||
26 | extern int verbose; | |
27 | extern int dry_run; | |
6c3862fa WD |
28 | extern int log_format_has_i; |
29 | extern int log_format_has_o_or_i; | |
30 | extern int daemon_log_format_has_i; | |
31 | extern int am_root; | |
32 | extern int am_server; | |
33 | extern int am_daemon; | |
59faec8b | 34 | extern int recurse; |
2f03f956 | 35 | extern int relative_paths; |
716e73d4 | 36 | extern int keep_dirlinks; |
2f03f956 | 37 | extern int preserve_links; |
2f03f956 AT |
38 | extern int preserve_devices; |
39 | extern int preserve_hard_links; | |
6744b62d WD |
40 | extern int preserve_perms; |
41 | extern int preserve_uid; | |
42 | extern int preserve_gid; | |
3ea9bbd6 WD |
43 | extern int preserve_times; |
44 | extern int omit_dir_times; | |
59faec8b | 45 | extern int delete_before; |
fa13f396 | 46 | extern int delete_during; |
59faec8b WD |
47 | extern int delete_after; |
48 | extern int module_id; | |
49 | extern int ignore_errors; | |
fe960187 | 50 | extern int remove_sent_files; |
2f03f956 | 51 | extern int update_only; |
3d6feada | 52 | extern int opt_ignore_existing; |
cd6aa5b5 WD |
53 | extern int inplace; |
54 | extern int make_backups; | |
2f03f956 AT |
55 | extern int csum_length; |
56 | extern int ignore_times; | |
f83f0548 | 57 | extern int size_only; |
7d1bfaf7 | 58 | extern OFF_T max_size; |
2f03f956 | 59 | extern int io_timeout; |
59faec8b | 60 | extern int io_error; |
9ac2395b | 61 | extern int ignore_timeout; |
d04e9c51 | 62 | extern int protocol_version; |
8e85be0a | 63 | extern int fuzzy_basis; |
2f03f956 | 64 | extern int always_checksum; |
a7260c40 | 65 | extern char *partial_dir; |
b7e8628c | 66 | extern char *basis_dir[]; |
2be2fb3e | 67 | extern int compare_dest; |
59c95e42 | 68 | extern int link_dest; |
5774786f WD |
69 | extern int whole_file; |
70 | extern int local_server; | |
5774786f | 71 | extern int list_only; |
b9f592fb | 72 | extern int read_batch; |
5774786f WD |
73 | extern int only_existing; |
74 | extern int orig_umask; | |
75 | extern int safe_symlinks; | |
a255c592 | 76 | extern long block_size; /* "long" because popt can't set an int32. */ |
59faec8b WD |
77 | extern int max_delete; |
78 | extern int force_delete; | |
79 | extern int one_file_system; | |
6c3862fa | 80 | extern struct stats stats; |
59faec8b WD |
81 | extern dev_t filesystem_dev; |
82 | extern char *backup_dir; | |
83 | extern char *backup_suffix; | |
84 | extern int backup_suffix_len; | |
2f03f956 | 85 | |
7842418b | 86 | extern struct filter_list_struct server_filter_list; |
97f9dcae | 87 | |
59faec8b WD |
88 | static int deletion_count = 0; /* used to implement --max-delete */ |
89 | ||
90 | ||
91 | static int is_backup_file(char *fn) | |
92 | { | |
93 | int k = strlen(fn) - backup_suffix_len; | |
94 | return k > 0 && strcmp(fn+k, backup_suffix) == 0; | |
95 | } | |
96 | ||
97 | ||
98 | /* Delete a file or directory. If DEL_FORCE_RECURSE is set in the flags, or if | |
99 | * force_delete is set, this will delete recursively as long as DEL_NO_RECURSE | |
100 | * is not set in the flags. */ | |
101 | static int delete_item(char *fname, int mode, int flags) | |
102 | { | |
103 | struct file_list *dirlist; | |
104 | char buf[MAXPATHLEN]; | |
105 | int j, dlen, zap_dir, ok; | |
106 | void *save_filters; | |
107 | ||
108 | if (max_delete && deletion_count >= max_delete) | |
109 | return -1; | |
110 | ||
111 | if (!S_ISDIR(mode)) { | |
112 | if (make_backups && (backup_dir || !is_backup_file(fname))) | |
113 | ok = make_backup(fname); | |
114 | else | |
115 | ok = robust_unlink(fname) == 0; | |
116 | if (ok) { | |
117 | if (!(flags & DEL_TERSE)) | |
118 | log_delete(fname, mode); | |
119 | deletion_count++; | |
120 | return 0; | |
121 | } | |
122 | if (errno == ENOENT) | |
123 | return 0; | |
124 | rsyserr(FERROR, errno, "delete_file: unlink %s failed", | |
125 | full_fname(fname)); | |
126 | return -1; | |
127 | } | |
128 | ||
129 | zap_dir = (flags & DEL_FORCE_RECURSE || (force_delete && recurse)) | |
130 | && !(flags & DEL_NO_RECURSE); | |
131 | if (dry_run && zap_dir) { | |
132 | ok = 0; | |
133 | errno = ENOTEMPTY; | |
134 | } else if (make_backups && !backup_dir && !is_backup_file(fname) | |
135 | && !(flags & DEL_FORCE_RECURSE)) | |
136 | ok = make_backup(fname); | |
137 | else | |
138 | ok = do_rmdir(fname) == 0; | |
139 | if (ok) { | |
140 | if (!(flags & DEL_TERSE)) | |
141 | log_delete(fname, mode); | |
142 | deletion_count++; | |
143 | return 0; | |
144 | } | |
145 | if (errno == ENOENT) | |
146 | return 0; | |
147 | if (!zap_dir || (errno != ENOTEMPTY && errno != EEXIST)) { | |
148 | rsyserr(FERROR, errno, "delete_file: rmdir %s failed", | |
149 | full_fname(fname)); | |
150 | return -1; | |
151 | } | |
152 | flags |= DEL_FORCE_RECURSE; | |
153 | ||
154 | dlen = strlcpy(buf, fname, MAXPATHLEN); | |
155 | save_filters = push_local_filters(buf, dlen); | |
156 | ||
157 | dirlist = get_dirlist(buf, dlen, 0); | |
158 | for (j = dirlist->count; j--; ) { | |
159 | struct file_struct *fp = dirlist->files[j]; | |
160 | ||
161 | if (fp->flags & FLAG_MOUNT_POINT) | |
162 | continue; | |
163 | ||
164 | f_name_to(fp, buf); | |
165 | if (delete_item(buf, fp->mode, flags & ~DEL_TERSE) != 0) { | |
166 | flist_free(dirlist); | |
167 | return -1; | |
168 | } | |
169 | } | |
170 | flist_free(dirlist); | |
171 | ||
172 | pop_local_filters(save_filters); | |
173 | ||
174 | if (max_delete && deletion_count >= max_delete) | |
175 | return -1; | |
176 | ||
177 | if (do_rmdir(fname) == 0) { | |
178 | if (!(flags & DEL_TERSE)) | |
179 | log_delete(fname, mode); | |
180 | deletion_count++; | |
181 | } else if (errno != ENOTEMPTY && errno != ENOENT) { | |
182 | rsyserr(FERROR, errno, "delete_file: rmdir %s failed", | |
183 | full_fname(fname)); | |
184 | return -1; | |
185 | } | |
186 | ||
187 | return 0; | |
188 | } | |
189 | ||
190 | ||
191 | /* This function is used to implement per-directory deletion, and is used by | |
192 | * all the --delete-WHEN options. Note that the fbuf pointer must point to a | |
193 | * MAXPATHLEN buffer with the name of the directory in it (the functions we | |
194 | * call will append names onto the end, but the old dir value will be restored | |
195 | * on exit). */ | |
196 | static void delete_in_dir(struct file_list *flist, char *fbuf, | |
197 | struct file_struct *file, int allowed_lull) | |
198 | { | |
199 | static int min_depth = MAXPATHLEN, cur_depth = -1; | |
200 | static void *filt_array[MAXPATHLEN/2+1]; | |
201 | struct file_list *dirlist; | |
202 | char delbuf[MAXPATHLEN]; | |
203 | STRUCT_STAT st; | |
204 | int dlen, i; | |
205 | ||
206 | if (!flist) { | |
207 | while (cur_depth >= min_depth) | |
208 | pop_local_filters(filt_array[cur_depth--]); | |
209 | min_depth = MAXPATHLEN; | |
210 | cur_depth = -1; | |
211 | return; | |
212 | } | |
213 | ||
214 | if (verbose > 2) | |
215 | rprintf(FINFO, "delete_in_dir(%s)\n", safe_fname(fbuf)); | |
216 | ||
217 | if (allowed_lull) | |
218 | maybe_send_keepalive(allowed_lull, flist->count); | |
219 | ||
220 | if (file->dir.depth >= MAXPATHLEN/2+1) | |
221 | return; /* Impossible... */ | |
222 | ||
223 | if (max_delete && deletion_count >= max_delete) | |
224 | return; | |
225 | ||
226 | if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) { | |
227 | rprintf(FINFO, | |
228 | "IO error encountered -- skipping file deletion\n"); | |
229 | max_delete = -1; /* avoid duplicating the above warning */ | |
230 | return; | |
231 | } | |
232 | ||
233 | while (cur_depth >= file->dir.depth && cur_depth >= min_depth) | |
234 | pop_local_filters(filt_array[cur_depth--]); | |
235 | cur_depth = file->dir.depth; | |
236 | if (min_depth > cur_depth) | |
237 | min_depth = cur_depth; | |
238 | dlen = strlen(fbuf); | |
239 | filt_array[cur_depth] = push_local_filters(fbuf, dlen); | |
240 | ||
241 | if (link_stat(fbuf, &st, keep_dirlinks) < 0) | |
242 | return; | |
243 | ||
244 | if (one_file_system && file->flags & FLAG_TOP_DIR) | |
245 | filesystem_dev = st.st_dev; | |
246 | ||
247 | dirlist = get_dirlist(fbuf, dlen, 0); | |
248 | ||
249 | /* If an item in dirlist is not found in flist, delete it | |
250 | * from the filesystem. */ | |
251 | for (i = dirlist->count; i--; ) { | |
252 | if (!dirlist->files[i]->basename) | |
253 | continue; | |
254 | if (flist_find(flist, dirlist->files[i]) < 0) { | |
59faec8b | 255 | int mode = dirlist->files[i]->mode; |
251f22b5 | 256 | f_name_to(dirlist->files[i], delbuf); |
59faec8b WD |
257 | if (delete_item(delbuf, mode, DEL_FORCE_RECURSE) < 0) |
258 | break; | |
259 | } | |
260 | } | |
261 | ||
262 | flist_free(dirlist); | |
263 | } | |
264 | ||
265 | /* This deletes any files on the receiving side that are not present on the | |
266 | * sending side. This is used by --delete-before and --delete-after. */ | |
267 | static void do_delete_pass(struct file_list *flist, int allowed_lull) | |
268 | { | |
269 | char fbuf[MAXPATHLEN]; | |
270 | int j; | |
271 | ||
272 | for (j = 0; j < flist->count; j++) { | |
273 | struct file_struct *file = flist->files[j]; | |
274 | ||
275 | if (!(file->flags & FLAG_DEL_HERE)) | |
276 | continue; | |
277 | ||
278 | f_name_to(file, fbuf); | |
279 | if (verbose > 1 && file->flags & FLAG_TOP_DIR) | |
280 | rprintf(FINFO, "deleting in %s\n", safe_fname(fbuf)); | |
281 | ||
282 | delete_in_dir(flist, fbuf, file, allowed_lull); | |
283 | } | |
284 | } | |
285 | ||
b7e8628c | 286 | static int unchanged_attrs(struct file_struct *file, STRUCT_STAT *st) |
2f03f956 | 287 | { |
b7e8628c WD |
288 | if (preserve_perms |
289 | && (st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS)) | |
84acca07 | 290 | return 0; |
bb24028f | 291 | |
b7e8628c WD |
292 | if (am_root && preserve_uid && st->st_uid != file->uid) |
293 | return 0; | |
bb24028f | 294 | |
b7e8628c WD |
295 | if (preserve_gid && file->gid != GID_NONE && st->st_gid != file->gid) |
296 | return 0; | |
297 | ||
298 | return 1; | |
299 | } | |
300 | ||
06a1dbad | 301 | |
c557eb8c WD |
302 | #define SID_UPDATING ITEM_UPDATING |
303 | #define SID_REPORT_CHECKSUM ITEM_REPORT_CHECKSUM | |
8237f930 WD |
304 | #define SID_USING_ALT_BASIS ITEM_USING_ALT_BASIS |
305 | /* This flag doesn't get sent, so it must be outside 0xffff. */ | |
c557eb8c | 306 | #define SID_NO_DEST_AND_NO_UPDATE (1<<16) |
06a1dbad | 307 | |
c557eb8c WD |
308 | static void itemize(struct file_struct *file, int statret, STRUCT_STAT *st, |
309 | int32 sflags, int f_out, int ndx) | |
06a1dbad | 310 | { |
8237f930 | 311 | int iflags = sflags & 0xffff; |
06a1dbad | 312 | |
c557eb8c WD |
313 | if (statret >= 0) { |
314 | if (S_ISREG(file->mode) && file->length != st->st_size) | |
315 | iflags |= ITEM_REPORT_SIZE; | |
88b218fa WD |
316 | if (!(sflags & SID_NO_DEST_AND_NO_UPDATE)) { |
317 | int keep_time = !preserve_times ? 0 | |
318 | : S_ISDIR(file->mode) ? !omit_dir_times | |
319 | : !S_ISLNK(file->mode); | |
320 | ||
321 | if ((iflags & ITEM_UPDATING && !keep_time) | |
322 | || (keep_time && file->modtime != st->st_mtime)) | |
323 | iflags |= ITEM_REPORT_TIME; | |
324 | if (preserve_perms && file->mode != st->st_mode) | |
325 | iflags |= ITEM_REPORT_PERMS; | |
326 | if (preserve_uid && am_root && file->uid != st->st_uid) | |
327 | iflags |= ITEM_REPORT_OWNER; | |
328 | if (preserve_gid && file->gid != GID_NONE | |
329 | && st->st_gid != file->gid) | |
330 | iflags |= ITEM_REPORT_GROUP; | |
331 | } | |
c557eb8c | 332 | } else |
88b218fa | 333 | iflags |= ITEM_IS_NEW | ITEM_UPDATING; |
c557eb8c | 334 | |
8a8356b7 | 335 | if ((iflags || verbose > 1) && !read_batch) { |
6c3862fa WD |
336 | if (protocol_version >= 29) { |
337 | if (ndx >= 0) | |
338 | write_int(f_out, ndx); | |
339 | write_shortint(f_out, iflags); | |
340 | } else if (ndx >= 0) | |
341 | log_recv(file, &stats, iflags); | |
06a1dbad WD |
342 | } |
343 | } | |
344 | ||
345 | ||
b7e8628c WD |
346 | /* Perform our quick-check heuristic for determining if a file is unchanged. */ |
347 | static int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st) | |
348 | { | |
349 | if (st->st_size != file->length) | |
350 | return 0; | |
59c95e42 | 351 | |
2cda2560 | 352 | /* if always checksum is set then we use the checksum instead |
2f03f956 AT |
353 | of the file time to determine whether to sync */ |
354 | if (always_checksum && S_ISREG(st->st_mode)) { | |
355 | char sum[MD4_SUM_LENGTH]; | |
b7e8628c | 356 | file_checksum(fn, sum, st->st_size); |
728d0922 | 357 | return memcmp(sum, file->u.sum, protocol_version < 21 ? 2 |
84acca07 | 358 | : MD4_SUM_LENGTH) == 0; |
2f03f956 AT |
359 | } |
360 | ||
cc1e997d | 361 | if (size_only) |
84acca07 | 362 | return 1; |
2f03f956 | 363 | |
cc1e997d | 364 | if (ignore_times) |
84acca07 | 365 | return 0; |
cc1e997d | 366 | |
84acca07 | 367 | return cmp_modtime(st->st_mtime, file->modtime) == 0; |
2f03f956 AT |
368 | } |
369 | ||
370 | ||
ec8290c8 | 371 | /* |
195bd906 | 372 | * set (initialize) the size entries in the per-file sum_struct |
ec8290c8 | 373 | * calculating dynamic block and checksum sizes. |
195bd906 | 374 | * |
ec8290c8 | 375 | * This is only called from generate_and_send_sums() but is a separate |
195bd906 S |
376 | * function to encapsulate the logic. |
377 | * | |
378 | * The block size is a rounded square root of file length. | |
379 | * | |
380 | * The checksum size is determined according to: | |
381 | * blocksum_bits = BLOCKSUM_EXP + 2*log2(file_len) - log2(block_len) | |
382 | * provided by Donovan Baarda which gives a probability of rsync | |
383 | * algorithm corrupting data and falling back using the whole md4 | |
384 | * checksums. | |
385 | * | |
386 | * This might be made one of several selectable heuristics. | |
387 | */ | |
1490812a | 388 | static void sum_sizes_sqroot(struct sum_struct *sum, int64 len) |
195bd906 | 389 | { |
a255c592 | 390 | int32 blength; |
da9d12f5 | 391 | int s2length; |
195bd906 | 392 | |
a255c592 | 393 | if (block_size) |
195bd906 | 394 | blength = block_size; |
a255c592 | 395 | else if (len <= BLOCK_SIZE * BLOCK_SIZE) |
195bd906 | 396 | blength = BLOCK_SIZE; |
a255c592 WD |
397 | else { |
398 | int32 c; | |
1490812a | 399 | int64 l; |
eae7165c WD |
400 | int cnt; |
401 | for (c = 1, l = len, cnt = 0; l >>= 2; c <<= 1, cnt++) {} | |
402 | if (cnt >= 31 || c >= MAX_BLOCK_SIZE) | |
403 | blength = MAX_BLOCK_SIZE; | |
404 | else { | |
405 | blength = 0; | |
406 | do { | |
407 | blength |= c; | |
1490812a | 408 | if (len < (int64)blength * blength) |
eae7165c WD |
409 | blength &= ~c; |
410 | c >>= 1; | |
411 | } while (c >= 8); /* round to multiple of 8 */ | |
412 | blength = MAX(blength, BLOCK_SIZE); | |
195bd906 | 413 | } |
195bd906 S |
414 | } |
415 | ||
d04e9c51 | 416 | if (protocol_version < 27) { |
195bd906 S |
417 | s2length = csum_length; |
418 | } else if (csum_length == SUM_LENGTH) { | |
419 | s2length = SUM_LENGTH; | |
420 | } else { | |
a255c592 | 421 | int32 c; |
1490812a | 422 | int64 l; |
da9d12f5 | 423 | int b = BLOCKSUM_BIAS; |
a255c592 WD |
424 | for (l = len; l >>= 1; b += 2) {} |
425 | for (c = blength; c >>= 1 && b; b--) {} | |
426 | /* add a bit, subtract rollsum, round up. */ | |
427 | s2length = (b + 1 - 32 + 7) / 8; /* --optimize in compiler-- */ | |
195bd906 S |
428 | s2length = MAX(s2length, csum_length); |
429 | s2length = MIN(s2length, SUM_LENGTH); | |
430 | } | |
431 | ||
432 | sum->flength = len; | |
433 | sum->blength = blength; | |
434 | sum->s2length = s2length; | |
435 | sum->count = (len + (blength - 1)) / blength; | |
436 | sum->remainder = (len % blength); | |
437 | ||
438 | if (sum->count && verbose > 2) { | |
a255c592 WD |
439 | rprintf(FINFO, |
440 | "count=%.0f rem=%ld blength=%ld s2length=%d flength=%.0f\n", | |
441 | (double)sum->count, (long)sum->remainder, (long)sum->blength, | |
da9d12f5 | 442 | sum->s2length, (double)sum->flength); |
195bd906 S |
443 | } |
444 | } | |
80605142 | 445 | |
bceec82f | 446 | |
80605142 WD |
447 | /* |
448 | * Generate and send a stream of signatures/checksums that describe a buffer | |
e66dfd18 | 449 | * |
80605142 WD |
450 | * Generate approximately one checksum every block_len bytes. |
451 | */ | |
cd6aa5b5 | 452 | static void generate_and_send_sums(int fd, OFF_T len, int f_out, int f_copy) |
2f03f956 | 453 | { |
a1cbe76e | 454 | int32 i; |
6e45e1dd | 455 | struct map_struct *mapbuf; |
80605142 | 456 | struct sum_struct sum; |
2f03f956 AT |
457 | OFF_T offset = 0; |
458 | ||
423dba8e | 459 | sum_sizes_sqroot(&sum, len); |
e66dfd18 | 460 | |
6e45e1dd | 461 | if (len > 0) |
96d910c7 | 462 | mapbuf = map_file(fd, len, MAX_MAP_SIZE, sum.blength); |
6e45e1dd WD |
463 | else |
464 | mapbuf = NULL; | |
465 | ||
fc0257c9 | 466 | write_sum_head(f_out, &sum); |
2f03f956 | 467 | |
80605142 | 468 | for (i = 0; i < sum.count; i++) { |
a255c592 | 469 | int32 n1 = (int32)MIN(len, (OFF_T)sum.blength); |
6e45e1dd | 470 | char *map = map_ptr(mapbuf, offset, n1); |
80605142 WD |
471 | uint32 sum1 = get_checksum1(map, n1); |
472 | char sum2[SUM_LENGTH]; | |
2f03f956 | 473 | |
cd6aa5b5 WD |
474 | if (f_copy >= 0) |
475 | full_write(f_copy, map, n1); | |
476 | ||
80605142 | 477 | get_checksum2(map, n1, sum2); |
2f03f956 | 478 | |
80605142 | 479 | if (verbose > 3) { |
e66dfd18 | 480 | rprintf(FINFO, |
a255c592 WD |
481 | "chunk[%.0f] offset=%.0f len=%ld sum1=%08lx\n", |
482 | (double)i, (double)offset, (long)n1, | |
0e36d9da | 483 | (unsigned long)sum1); |
80605142 WD |
484 | } |
485 | write_int(f_out, sum1); | |
fc0257c9 | 486 | write_buf(f_out, sum2, sum.s2length); |
2f03f956 AT |
487 | len -= n1; |
488 | offset += n1; | |
489 | } | |
6e45e1dd WD |
490 | |
491 | if (mapbuf) | |
492 | unmap_file(mapbuf); | |
2f03f956 AT |
493 | } |
494 | ||
06a1dbad | 495 | |
8e85be0a WD |
496 | /* Try to find a filename in the same dir as "fname" with a similar name. */ |
497 | static int find_fuzzy(struct file_struct *file, struct file_list *dirlist) | |
498 | { | |
499 | int fname_len, fname_suf_len; | |
500 | const char *fname_suf, *fname = file->basename; | |
501 | uint32 lowest_dist = 0x7FFFFFFF; | |
502 | int j, lowest_j = -1; | |
503 | ||
504 | fname_len = strlen(fname); | |
505 | fname_suf = find_filename_suffix(fname, fname_len, &fname_suf_len); | |
506 | ||
507 | for (j = 0; j < dirlist->count; j++) { | |
508 | struct file_struct *fp = dirlist->files[j]; | |
509 | const char *suf, *name; | |
510 | int len, suf_len; | |
511 | uint32 dist; | |
512 | ||
513 | if (!S_ISREG(fp->mode) || !fp->length | |
514 | || fp->flags & FLAG_NO_FUZZY) | |
515 | continue; | |
516 | ||
517 | name = fp->basename; | |
518 | ||
519 | if (fp->length == file->length | |
520 | && fp->modtime == file->modtime) { | |
521 | if (verbose > 4) { | |
522 | rprintf(FINFO, | |
523 | "fuzzy size/modtime match for %s\n", | |
524 | name); | |
525 | } | |
526 | return j; | |
527 | } | |
528 | ||
529 | len = strlen(name); | |
530 | suf = find_filename_suffix(name, len, &suf_len); | |
531 | ||
532 | dist = fuzzy_distance(name, len, fname, fname_len); | |
533 | /* Add some extra weight to how well the suffixes match. */ | |
534 | dist += fuzzy_distance(suf, suf_len, fname_suf, fname_suf_len) | |
535 | * 10; | |
536 | if (verbose > 4) { | |
537 | rprintf(FINFO, "fuzzy distance for %s = %d.%05d\n", | |
538 | name, (int)(dist>>16), (int)(dist&0xFFFF)); | |
539 | } | |
540 | if (dist <= lowest_dist) { | |
541 | lowest_dist = dist; | |
542 | lowest_j = j; | |
543 | } | |
544 | } | |
545 | ||
546 | return lowest_j; | |
547 | } | |
548 | ||
2f03f956 | 549 | |
0492fdfb WD |
550 | /* Acts on flist->file's ndx'th item, whose name is fname. If a directory, |
551 | * make sure it exists, and has the right permissions/timestamp info. For | |
552 | * all other non-regular files (symlinks, etc.) we create them here. For | |
553 | * regular files that have changed, we try to find a basis file and then | |
554 | * start sending checksums. | |
ef1aa910 | 555 | * |
0492fdfb WD |
556 | * Note that f_out is set to -1 when doing final directory-permission and |
557 | * modification-time repair. */ | |
fa13f396 | 558 | static void recv_generator(char *fname, struct file_list *flist, |
0492fdfb | 559 | struct file_struct *file, int ndx, |
7433d73a | 560 | int itemizing, int maybe_PERMS_REPORT, |
59faec8b | 561 | enum logcode code, int allowed_lull, |
41cfde6b | 562 | int f_out, int f_out_name) |
2cda2560 | 563 | { |
8174bc35 | 564 | static int missing_below = -1, excluded_below = -1; |
8e85be0a WD |
565 | static char *fuzzy_dirname = NULL; |
566 | static struct file_list *fuzzy_dirlist = NULL; | |
567 | struct file_struct *fuzzy_file = NULL; | |
41cfde6b | 568 | int fd = -1, f_copy = -1; |
89f7eff3 | 569 | STRUCT_STAT st, partial_st; |
41cfde6b | 570 | struct file_struct *back_file = NULL; |
e7d13fe5 | 571 | int statret, stat_errno; |
41cfde6b | 572 | char *fnamecmp, *partialptr, *backupptr = NULL; |
375a4556 | 573 | char fnamecmpbuf[MAXPATHLEN]; |
41cfde6b | 574 | uchar fnamecmp_type; |
f7632fc6 | 575 | |
dfd5ba6a WD |
576 | if (list_only) |
577 | return; | |
2f03f956 | 578 | |
8e85be0a WD |
579 | if (!fname) { |
580 | if (fuzzy_dirlist) { | |
581 | flist_free(fuzzy_dirlist); | |
582 | fuzzy_dirlist = NULL; | |
583 | fuzzy_dirname = NULL; | |
584 | } | |
585 | if (missing_below >= 0) { | |
586 | dry_run--; | |
587 | missing_below = -1; | |
588 | } | |
589 | return; | |
590 | } | |
591 | ||
4875d6b6 WD |
592 | if (verbose > 2) { |
593 | rprintf(FINFO, "recv_generator(%s,%d)\n", | |
594 | safe_fname(fname), ndx); | |
595 | } | |
2f03f956 | 596 | |
8174bc35 WD |
597 | if (server_filter_list.head) { |
598 | if (excluded_below >= 0) { | |
599 | if (file->dir.depth > excluded_below) | |
600 | goto skipping; | |
601 | excluded_below = -1; | |
602 | } | |
603 | if (check_filter(&server_filter_list, fname, | |
604 | S_ISDIR(file->mode)) < 0) { | |
605 | if (S_ISDIR(file->mode)) | |
606 | excluded_below = file->dir.depth; | |
607 | skipping: | |
608 | if (verbose) { | |
609 | rprintf(FINFO, | |
610 | "skipping server-excluded file \"%s\"\n", | |
611 | safe_fname(fname)); | |
612 | } | |
613 | return; | |
3e35c34b | 614 | } |
3e35c34b | 615 | } |
97f9dcae | 616 | |
8e85be0a | 617 | if (missing_below >= 0 && file->dir.depth <= missing_below) { |
df337831 WD |
618 | dry_run--; |
619 | missing_below = -1; | |
620 | } | |
73f7af0e WD |
621 | if (dry_run > 1) { |
622 | statret = -1; | |
623 | stat_errno = ENOENT; | |
624 | } else { | |
8e85be0a WD |
625 | if (fuzzy_basis && S_ISREG(file->mode)) { |
626 | char *dn = file->dirname ? file->dirname : "."; | |
627 | /* Yes, identical dirnames are guaranteed to have | |
628 | * identical pointers at this point. */ | |
629 | if (fuzzy_dirname != dn) { | |
630 | if (fuzzy_dirlist) | |
631 | flist_free(fuzzy_dirlist); | |
632 | fuzzy_dirname = dn; | |
59faec8b WD |
633 | fuzzy_dirlist = get_dirlist(fuzzy_dirname, -1, |
634 | 1); | |
8e85be0a WD |
635 | } |
636 | } | |
637 | ||
73f7af0e WD |
638 | statret = link_stat(fname, &st, |
639 | keep_dirlinks && S_ISDIR(file->mode)); | |
640 | stat_errno = errno; | |
641 | } | |
63787382 | 642 | |
a7260c40 | 643 | if (only_existing && statret == -1 && stat_errno == ENOENT) { |
1347d512 | 644 | /* we only want to update existing files */ |
ecc81fce WD |
645 | if (verbose > 1) { |
646 | rprintf(FINFO, "not creating new file \"%s\"\n", | |
647 | safe_fname(fname)); | |
648 | } | |
1347d512 AT |
649 | return; |
650 | } | |
651 | ||
d9b4d267 WD |
652 | if (statret == 0 && !preserve_perms |
653 | && S_ISDIR(st.st_mode) == S_ISDIR(file->mode)) { | |
4df9f368 | 654 | /* if the file exists already and we aren't perserving |
2cda2560 WD |
655 | * permissions then act as though the remote end sent |
656 | * us the file permissions we already have */ | |
67e78a82 WD |
657 | file->mode = (file->mode & ~CHMOD_BITS) |
658 | | (st.st_mode & CHMOD_BITS); | |
4df9f368 AT |
659 | } |
660 | ||
2f03f956 | 661 | if (S_ISDIR(file->mode)) { |
2cda2560 WD |
662 | /* The file to be received is a directory, so we need |
663 | * to prepare appropriately. If there is already a | |
664 | * file of that name and it is *not* a directory, then | |
665 | * we need to delete it. If it doesn't exist, then | |
027428eb | 666 | * (perhaps recursively) create it. */ |
2f03f956 | 667 | if (statret == 0 && !S_ISDIR(st.st_mode)) { |
59faec8b | 668 | delete_item(fname, st.st_mode, DEL_TERSE); |
2f03f956 AT |
669 | statret = -1; |
670 | } | |
df337831 WD |
671 | if (dry_run && statret != 0 && missing_below < 0) { |
672 | missing_below = file->dir.depth; | |
673 | dry_run++; | |
674 | } | |
6c3862fa | 675 | if (itemizing && f_out != -1) |
c557eb8c | 676 | itemize(file, statret, &st, 0, f_out, ndx); |
2f03f956 | 677 | if (statret != 0 && do_mkdir(fname,file->mode) != 0 && errno != EEXIST) { |
027428eb WD |
678 | if (!relative_paths || errno != ENOENT |
679 | || create_directory_path(fname, orig_umask) < 0 | |
680 | || do_mkdir(fname, file->mode) < 0) { | |
d62bcc17 WD |
681 | rsyserr(FERROR, errno, |
682 | "recv_generator: mkdir %s failed", | |
683 | full_fname(fname)); | |
2f03f956 AT |
684 | } |
685 | } | |
716e73d4 | 686 | if (set_perms(fname, file, statret ? NULL : &st, 0) |
6c3862fa WD |
687 | && verbose && code && f_out != -1) |
688 | rprintf(code, "%s/\n", safe_fname(fname)); | |
c93fad5e | 689 | if (delete_during && f_out != -1 && csum_length != SUM_LENGTH |
31937d36 | 690 | && (file->flags & FLAG_DEL_HERE)) |
59faec8b | 691 | delete_in_dir(flist, fname, file, allowed_lull); |
2f03f956 | 692 | return; |
06a1dbad | 693 | } |
6c3862fa | 694 | |
06a1dbad | 695 | if (max_size && file->length > max_size) { |
4875d6b6 WD |
696 | if (verbose > 1) { |
697 | rprintf(FINFO, "%s is over max-size\n", | |
698 | safe_fname(fname)); | |
699 | } | |
7d1bfaf7 | 700 | return; |
2f03f956 AT |
701 | } |
702 | ||
703 | if (preserve_links && S_ISLNK(file->mode)) { | |
4f5b0756 | 704 | #ifdef SUPPORT_LINKS |
728d0922 | 705 | if (safe_symlinks && unsafe_symlink(file->u.link, fname)) { |
2f03f956 | 706 | if (verbose) { |
4875d6b6 WD |
707 | rprintf(FINFO, |
708 | "ignoring unsafe symlink %s -> \"%s\"\n", | |
709 | full_fname(fname), | |
710 | safe_fname(file->u.link)); | |
2f03f956 AT |
711 | } |
712 | return; | |
713 | } | |
714 | if (statret == 0) { | |
7e38410e WD |
715 | char lnk[MAXPATHLEN]; |
716 | int len; | |
717 | ||
8a8356b7 | 718 | if (!S_ISDIR(st.st_mode) |
7e38410e WD |
719 | && (len = readlink(fname, lnk, MAXPATHLEN-1)) > 0) { |
720 | lnk[len] = 0; | |
85d4d142 MP |
721 | /* A link already pointing to the |
722 | * right place -- no further action | |
723 | * required. */ | |
7e38410e | 724 | if (strcmp(lnk, file->u.link) == 0) { |
6c3862fa | 725 | if (itemizing) { |
c557eb8c WD |
726 | itemize(file, 0, &st, 0, |
727 | f_out, ndx); | |
728 | } | |
c41b52c4 | 729 | set_perms(fname, file, &st, |
8a8356b7 | 730 | maybe_PERMS_REPORT); |
2f03f956 AT |
731 | return; |
732 | } | |
2cda2560 | 733 | } |
7e38410e WD |
734 | /* Not the right symlink (or not a symlink), so |
735 | * delete it. */ | |
88b218fa | 736 | if (S_ISLNK(st.st_mode)) |
59faec8b | 737 | delete_item(fname, st.st_mode, DEL_TERSE); |
88b218fa | 738 | else { |
59faec8b | 739 | delete_item(fname, st.st_mode, DEL_TERSE); |
88b218fa WD |
740 | statret = -1; |
741 | } | |
2f03f956 | 742 | } |
728d0922 | 743 | if (do_symlink(file->u.link,fname) != 0) { |
d62bcc17 | 744 | rsyserr(FERROR, errno, "symlink %s -> \"%s\" failed", |
ecc81fce | 745 | full_fname(fname), safe_fname(file->u.link)); |
2f03f956 AT |
746 | } else { |
747 | set_perms(fname,file,NULL,0); | |
6c3862fa | 748 | if (itemizing) { |
c557eb8c WD |
749 | itemize(file, statret, &st, SID_UPDATING, |
750 | f_out, ndx); | |
6c3862fa WD |
751 | } |
752 | if (code && verbose) { | |
753 | rprintf(code, "%s -> %s\n", safe_fname(fname), | |
c557eb8c | 754 | safe_fname(file->u.link)); |
2f03f956 | 755 | } |
fe960187 WD |
756 | if (remove_sent_files && !dry_run) { |
757 | char numbuf[4]; | |
758 | SIVAL(numbuf, 0, ndx); | |
759 | send_msg(MSG_SUCCESS, numbuf, 4); | |
760 | } | |
2f03f956 AT |
761 | } |
762 | #endif | |
763 | return; | |
764 | } | |
765 | ||
2f03f956 | 766 | if (am_root && preserve_devices && IS_DEVICE(file->mode)) { |
2cda2560 | 767 | if (statret != 0 || |
2f03f956 | 768 | st.st_mode != file->mode || |
3915fd75 | 769 | st.st_rdev != file->u.rdev) { |
59faec8b WD |
770 | delete_item(fname, st.st_mode, DEL_TERSE); |
771 | if (!IS_DEVICE(st.st_mode)) | |
88b218fa | 772 | statret = -1; |
d62bcc17 | 773 | if (verbose > 2) { |
2f03f956 | 774 | rprintf(FINFO,"mknod(%s,0%o,0x%x)\n", |
ecc81fce WD |
775 | safe_fname(fname), |
776 | (int)file->mode, (int)file->u.rdev); | |
d62bcc17 | 777 | } |
728d0922 | 778 | if (do_mknod(fname,file->mode,file->u.rdev) != 0) { |
d62bcc17 WD |
779 | rsyserr(FERROR, errno, "mknod %s failed", |
780 | full_fname(fname)); | |
2f03f956 AT |
781 | } else { |
782 | set_perms(fname,file,NULL,0); | |
6c3862fa | 783 | if (itemizing) { |
88b218fa WD |
784 | itemize(file, statret, &st, SID_UPDATING, |
785 | f_out, ndx); | |
6c3862fa WD |
786 | } |
787 | if (code && verbose) { | |
788 | rprintf(code, "%s\n", | |
ecc81fce WD |
789 | safe_fname(fname)); |
790 | } | |
2f03f956 AT |
791 | } |
792 | } else { | |
6c3862fa | 793 | if (itemizing) { |
c557eb8c WD |
794 | itemize(file, statret, &st, 0, |
795 | f_out, ndx); | |
796 | } | |
8a8356b7 | 797 | set_perms(fname, file, &st, maybe_PERMS_REPORT); |
2f03f956 AT |
798 | } |
799 | return; | |
800 | } | |
2f03f956 | 801 | |
6dff5992 | 802 | if (preserve_hard_links && hard_link_check(file, HL_CHECK_MASTER)) |
2f03f956 | 803 | return; |
2f03f956 AT |
804 | |
805 | if (!S_ISREG(file->mode)) { | |
ecc81fce WD |
806 | rprintf(FINFO, "skipping non-regular file \"%s\"\n", |
807 | safe_fname(fname)); | |
2f03f956 AT |
808 | return; |
809 | } | |
810 | ||
375a4556 | 811 | fnamecmp = fname; |
41cfde6b | 812 | fnamecmp_type = FNAMECMP_FNAME; |
375a4556 | 813 | |
06a1dbad | 814 | if (statret != 0 && basis_dir[0] != NULL) { |
b7e8628c WD |
815 | int fallback_match = -1; |
816 | int match_level = 0; | |
817 | int i = 0; | |
818 | do { | |
819 | pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, | |
820 | basis_dir[i], fname); | |
821 | if (link_stat(fnamecmpbuf, &st, 0) == 0 | |
822 | && S_ISREG(st.st_mode)) { | |
823 | statret = 0; | |
824 | if (link_dest) { | |
825 | if (!match_level) { | |
826 | fallback_match = i; | |
827 | match_level = 1; | |
828 | } else if (match_level == 2 | |
829 | && !unchanged_attrs(file, &st)) | |
830 | continue; | |
831 | if (!unchanged_file(fnamecmpbuf, file, &st)) | |
832 | continue; | |
833 | fallback_match = i; | |
834 | match_level = 2; | |
835 | if (!unchanged_attrs(file, &st)) | |
836 | continue; | |
837 | } | |
838 | match_level = 3; | |
839 | break; | |
840 | } | |
841 | } while (basis_dir[++i] != NULL); | |
842 | if (statret == 0) { | |
843 | if (match_level < 3) { | |
844 | i = fallback_match; | |
845 | pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, | |
846 | basis_dir[i], fname); | |
847 | } | |
4f5b0756 | 848 | #ifdef HAVE_LINK |
b7e8628c | 849 | if (link_dest && match_level == 3 && !dry_run) { |
e7d13fe5 WD |
850 | if (do_link(fnamecmpbuf, fname) < 0) { |
851 | if (verbose) { | |
852 | rsyserr(FINFO, errno, | |
853 | "link %s => %s", | |
4875d6b6 | 854 | full_fname(fnamecmpbuf), |
e7d13fe5 WD |
855 | safe_fname(fname)); |
856 | } | |
857 | fnamecmp = fnamecmpbuf; | |
2be2fb3e | 858 | fnamecmp_type = i; |
e7bc9b64 | 859 | } |
e7d13fe5 | 860 | } else |
59c95e42 | 861 | #endif |
41cfde6b | 862 | { |
e7d13fe5 | 863 | fnamecmp = fnamecmpbuf; |
2be2fb3e | 864 | fnamecmp_type = i; |
41cfde6b | 865 | } |
e7d13fe5 WD |
866 | } |
867 | } | |
868 | ||
869 | if (statret == 0 && !S_ISREG(st.st_mode)) { | |
59faec8b | 870 | if (delete_item(fname, st.st_mode, DEL_TERSE) != 0) |
e7d13fe5 WD |
871 | return; |
872 | statret = -1; | |
873 | stat_errno = ENOENT; | |
375a4556 DD |
874 | } |
875 | ||
9d954dca | 876 | if (partial_dir && (partialptr = partial_dir_fname(fname)) != NULL |
72c19bb3 WD |
877 | && link_stat(partialptr, &partial_st, 0) == 0 |
878 | && S_ISREG(partial_st.st_mode)) { | |
06a1dbad | 879 | if (statret != 0) |
72c19bb3 WD |
880 | goto prepare_to_open; |
881 | } else | |
882 | partialptr = NULL; | |
89f7eff3 | 883 | |
06a1dbad | 884 | if (statret != 0 && fuzzy_basis && dry_run <= 1) { |
8e85be0a WD |
885 | int j = find_fuzzy(file, fuzzy_dirlist); |
886 | if (j >= 0) { | |
887 | fuzzy_file = fuzzy_dirlist->files[j]; | |
888 | f_name_to(fuzzy_file, fnamecmpbuf); | |
889 | if (verbose > 2) { | |
890 | rprintf(FINFO, "fuzzy basis selected for %s: %s\n", | |
891 | safe_fname(fname), safe_fname(fnamecmpbuf)); | |
892 | } | |
893 | st.st_mode = fuzzy_file->mode; | |
894 | st.st_size = fuzzy_file->length; | |
895 | st.st_mtime = fuzzy_file->modtime; | |
896 | statret = 0; | |
897 | fnamecmp = fnamecmpbuf; | |
898 | fnamecmp_type = FNAMECMP_FUZZY; | |
899 | } | |
900 | } | |
901 | ||
06a1dbad | 902 | if (statret != 0) { |
6dff5992 WD |
903 | if (preserve_hard_links && hard_link_check(file, HL_SKIP)) |
904 | return; | |
41cfde6b WD |
905 | if (stat_errno == ENOENT) |
906 | goto notify_others; | |
907 | if (verbose > 1) { | |
e7d13fe5 WD |
908 | rsyserr(FERROR, stat_errno, |
909 | "recv_generator: failed to stat %s", | |
d62bcc17 | 910 | full_fname(fname)); |
2f03f956 AT |
911 | } |
912 | return; | |
913 | } | |
914 | ||
41cfde6b | 915 | if (opt_ignore_existing && fnamecmp_type == FNAMECMP_FNAME) { |
3d6feada | 916 | if (verbose > 1) |
ecc81fce | 917 | rprintf(FINFO, "%s exists\n", safe_fname(fname)); |
3d6feada | 918 | return; |
2cda2560 | 919 | } |
3d6feada | 920 | |
41cfde6b | 921 | if (update_only && fnamecmp_type == FNAMECMP_FNAME |
d3a4375f | 922 | && cmp_modtime(st.st_mtime, file->modtime) > 0) { |
2f03f956 | 923 | if (verbose > 1) |
ecc81fce | 924 | rprintf(FINFO, "%s is newer\n", safe_fname(fname)); |
2f03f956 AT |
925 | return; |
926 | } | |
927 | ||
2be2fb3e | 928 | if (!compare_dest && fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH) |
b7e8628c | 929 | ; |
8e85be0a WD |
930 | else if (fnamecmp_type == FNAMECMP_FUZZY) |
931 | ; | |
b7e8628c | 932 | else if (unchanged_file(fnamecmp, file, &st)) { |
6c3862fa | 933 | if (itemizing) { |
c557eb8c WD |
934 | itemize(file, statret, &st, |
935 | fnamecmp_type == FNAMECMP_FNAME | |
936 | ? 0 : SID_NO_DEST_AND_NO_UPDATE, | |
937 | f_out, ndx); | |
06a1dbad | 938 | } |
41cfde6b | 939 | if (fnamecmp_type == FNAMECMP_FNAME) |
8a8356b7 | 940 | set_perms(fname, file, &st, maybe_PERMS_REPORT); |
2f03f956 AT |
941 | return; |
942 | } | |
943 | ||
89f7eff3 | 944 | prepare_to_open: |
9d954dca WD |
945 | if (partialptr) { |
946 | st = partial_st; | |
947 | fnamecmp = partialptr; | |
948 | fnamecmp_type = FNAMECMP_PARTIAL_DIR; | |
949 | statret = 0; | |
950 | } | |
951 | ||
3841a04e WD |
952 | if (dry_run || read_batch) |
953 | goto notify_others; | |
954 | if (whole_file > 0) { | |
06a1dbad WD |
955 | if (statret == 0) |
956 | statret = 1; | |
41cfde6b | 957 | goto notify_others; |
2f03f956 AT |
958 | } |
959 | ||
8e85be0a WD |
960 | if (fuzzy_basis) { |
961 | int j = flist_find(fuzzy_dirlist, file); | |
962 | if (j >= 0) /* don't use changing file as future fuzzy basis */ | |
963 | fuzzy_dirlist->files[j]->flags |= FLAG_NO_FUZZY; | |
964 | } | |
965 | ||
2cda2560 | 966 | /* open the file */ |
8c9fd200 | 967 | fd = do_open(fnamecmp, O_RDONLY, 0); |
2f03f956 AT |
968 | |
969 | if (fd == -1) { | |
d62bcc17 WD |
970 | rsyserr(FERROR, errno, "failed to open %s, continuing", |
971 | full_fname(fnamecmp)); | |
cd6aa5b5 | 972 | pretend_missing: |
60be6acf | 973 | /* pretend the file didn't exist */ |
6dff5992 WD |
974 | if (preserve_hard_links && hard_link_check(file, HL_SKIP)) |
975 | return; | |
41cfde6b WD |
976 | statret = -1; |
977 | goto notify_others; | |
2f03f956 AT |
978 | } |
979 | ||
cd6aa5b5 WD |
980 | if (inplace && make_backups) { |
981 | if (!(backupptr = get_backup_name(fname))) { | |
982 | close(fd); | |
983 | return; | |
984 | } | |
7842418b | 985 | if (!(back_file = make_file(fname, NULL, NO_FILTERS))) { |
cd6aa5b5 WD |
986 | close(fd); |
987 | goto pretend_missing; | |
988 | } | |
989 | if (robust_unlink(backupptr) && errno != ENOENT) { | |
990 | rsyserr(FERROR, errno, "unlink %s", | |
991 | full_fname(backupptr)); | |
992 | free(back_file); | |
993 | close(fd); | |
994 | return; | |
995 | } | |
996 | if ((f_copy = do_open(backupptr, | |
997 | O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0) { | |
998 | rsyserr(FERROR, errno, "open %s", | |
999 | full_fname(backupptr)); | |
1000 | free(back_file); | |
1001 | close(fd); | |
1002 | return; | |
1003 | } | |
41cfde6b | 1004 | fnamecmp_type = FNAMECMP_BACKUP; |
cd6aa5b5 WD |
1005 | } |
1006 | ||
dfd5ba6a | 1007 | if (verbose > 3) { |
ecc81fce WD |
1008 | rprintf(FINFO, "gen mapped %s of size %.0f\n", |
1009 | safe_fname(fnamecmp), (double)st.st_size); | |
dfd5ba6a | 1010 | } |
2f03f956 | 1011 | |
2f03f956 | 1012 | if (verbose > 2) |
0492fdfb | 1013 | rprintf(FINFO, "generating and sending sums for %d\n", ndx); |
2f03f956 | 1014 | |
41cfde6b | 1015 | notify_others: |
0492fdfb | 1016 | write_int(f_out, ndx); |
6c3862fa | 1017 | if (itemizing) { |
8237f930 WD |
1018 | int iflags = SID_UPDATING; |
1019 | if (always_checksum) | |
1020 | iflags |= SID_REPORT_CHECKSUM; | |
352963dd | 1021 | if (fnamecmp_type != FNAMECMP_FNAME) |
8237f930 WD |
1022 | iflags |= SID_USING_ALT_BASIS; |
1023 | itemize(file, statret, &st, iflags, f_out, -1); | |
e3bcd893 | 1024 | } |
8e85be0a | 1025 | if (f_out_name >= 0) { |
41cfde6b | 1026 | write_byte(f_out_name, fnamecmp_type); |
8e85be0a WD |
1027 | if (fnamecmp_type == FNAMECMP_FUZZY) { |
1028 | uchar lenbuf[3], *lb = lenbuf; | |
1029 | int len = strlen(fuzzy_file->basename); | |
1030 | if (len > 0x7F) { | |
1031 | #if MAXPATHLEN > 0x7FFF | |
1032 | *lb++ = len / 0x10000 + 0x80; | |
1033 | *lb++ = len / 0x100; | |
1034 | #else | |
1035 | *lb++ = len / 0x100 + 0x80; | |
1036 | #endif | |
1037 | } | |
1038 | *lb = len; | |
ee03617b | 1039 | write_buf(f_out_name, (char*)lenbuf, lb - lenbuf + 1); |
8e85be0a WD |
1040 | write_buf(f_out_name, fuzzy_file->basename, len); |
1041 | } | |
1042 | } | |
cd6aa5b5 | 1043 | |
41cfde6b WD |
1044 | if (dry_run || read_batch) |
1045 | return; | |
1046 | ||
1047 | if (statret == 0) { | |
1048 | generate_and_send_sums(fd, st.st_size, f_out, f_copy); | |
2f03f956 | 1049 | |
41cfde6b WD |
1050 | if (f_copy >= 0) { |
1051 | close(f_copy); | |
1052 | set_perms(backupptr, back_file, NULL, 0); | |
1053 | if (verbose > 1) { | |
1054 | rprintf(FINFO, "backed up %s to %s\n", | |
4875d6b6 | 1055 | safe_fname(fname), safe_fname(backupptr)); |
41cfde6b WD |
1056 | } |
1057 | free(back_file); | |
1058 | } | |
1059 | ||
1060 | close(fd); | |
1061 | } else | |
1062 | write_sum_head(f_out, NULL); | |
2f03f956 AT |
1063 | } |
1064 | ||
1065 | ||
41cfde6b WD |
1066 | void generate_files(int f_out, struct file_list *flist, char *local_name, |
1067 | int f_out_name) | |
2f03f956 AT |
1068 | { |
1069 | int i; | |
e1f67417 | 1070 | int phase = 0; |
968c8030 | 1071 | char fbuf[MAXPATHLEN]; |
7433d73a WD |
1072 | int itemizing, maybe_PERMS_REPORT; |
1073 | enum logcode code; | |
3ea9bbd6 WD |
1074 | int need_retouch_dir_times = preserve_times && !omit_dir_times; |
1075 | int need_retouch_dir_perms = 0; | |
0492fdfb WD |
1076 | int save_only_existing = only_existing; |
1077 | int save_opt_ignore_existing = opt_ignore_existing; | |
662bdcd4 | 1078 | int allowed_lull = read_batch ? 0 : (io_timeout + 1) / 2; |
18a11cfd | 1079 | int lull_mod = allowed_lull * 5; |
7433d73a WD |
1080 | |
1081 | if (protocol_version >= 29) { | |
1082 | itemizing = 1; | |
1083 | maybe_PERMS_REPORT = log_format_has_i ? 0 : PERMS_REPORT; | |
1084 | code = daemon_log_format_has_i ? 0 : FLOG; | |
1085 | } else if (am_daemon) { | |
1086 | itemizing = daemon_log_format_has_i && !dry_run; | |
1087 | maybe_PERMS_REPORT = PERMS_REPORT; | |
1088 | code = itemizing || dry_run ? FCLIENT : FINFO; | |
1089 | } else if (!am_server) { | |
1090 | itemizing = log_format_has_i; | |
1091 | maybe_PERMS_REPORT = log_format_has_i ? 0 : PERMS_REPORT; | |
1092 | code = itemizing ? 0 : FINFO; | |
1093 | } else { | |
1094 | itemizing = 0; | |
1095 | maybe_PERMS_REPORT = PERMS_REPORT; | |
1096 | code = FINFO; | |
1097 | } | |
2f03f956 | 1098 | |
45e08edb WD |
1099 | if (verbose > 2) { |
1100 | rprintf(FINFO, "generator starting pid=%ld count=%d\n", | |
1101 | (long)getpid(), flist->count); | |
1102 | } | |
2f03f956 | 1103 | |
59faec8b WD |
1104 | if (delete_before && !local_name && flist->count > 0) |
1105 | do_delete_pass(flist, allowed_lull); | |
1106 | ||
3e7053ac | 1107 | if (verbose >= 2) { |
1b1fef20 | 1108 | rprintf(FINFO, "delta-transmission %s\n", |
f38bd4a0 | 1109 | whole_file > 0 |
1b1fef20 WD |
1110 | ? "disabled for local transfer or --whole-file" |
1111 | : "enabled"); | |
3e7053ac | 1112 | } |
2cda2560 | 1113 | |
9ac2395b | 1114 | if (protocol_version < 29) |
7433d73a | 1115 | ignore_timeout = 1; |
a57873b7 | 1116 | |
2f03f956 AT |
1117 | for (i = 0; i < flist->count; i++) { |
1118 | struct file_struct *file = flist->files[i]; | |
dfd5ba6a | 1119 | struct file_struct copy; |
2f03f956 | 1120 | |
dfd5ba6a WD |
1121 | if (!file->basename) |
1122 | continue; | |
0492fdfb WD |
1123 | |
1124 | /* We need to ensure that any dirs we create have writeable | |
1125 | * permissions during the time we are putting files within | |
1126 | * them. This is then fixed after the transfer is done. */ | |
dfd5ba6a WD |
1127 | if (!am_root && S_ISDIR(file->mode) && !(file->mode & S_IWUSR)) { |
1128 | copy = *file; | |
dfd5ba6a WD |
1129 | copy.mode |= S_IWUSR; /* user write */ |
1130 | file = © | |
3ea9bbd6 | 1131 | need_retouch_dir_perms = 1; |
2f03f956 AT |
1132 | } |
1133 | ||
3fef5364 | 1134 | recv_generator(local_name ? local_name : f_name_to(file, fbuf), |
7433d73a | 1135 | flist, file, i, itemizing, maybe_PERMS_REPORT, |
59faec8b | 1136 | code, allowed_lull, f_out, f_out_name); |
9ac2395b | 1137 | |
18a11cfd | 1138 | if (allowed_lull && !(i % lull_mod)) |
9ac2395b | 1139 | maybe_send_keepalive(allowed_lull, flist->count); |
2f03f956 | 1140 | } |
59faec8b | 1141 | recv_generator(NULL, NULL, NULL, 0, 0, 0, code, 0, -1, -1); |
c93fad5e | 1142 | if (delete_during) |
59faec8b | 1143 | delete_in_dir(NULL, NULL, NULL, 0); |
2f03f956 AT |
1144 | |
1145 | phase++; | |
1146 | csum_length = SUM_LENGTH; | |
0492fdfb WD |
1147 | only_existing = max_size = opt_ignore_existing = 0; |
1148 | update_only = always_checksum = size_only = 0; | |
e1f67417 | 1149 | ignore_times = 1; |
e6bc6f42 | 1150 | make_backups = 0; /* avoid a duplicate backup for inplace processing */ |
2f03f956 | 1151 | |
9ac2395b WD |
1152 | /* We expect to just sit around now, so don't exit on a timeout. |
1153 | * If we really get a timeout then the other process should exit. */ | |
1154 | ignore_timeout = 1; | |
1155 | ||
2f03f956 AT |
1156 | if (verbose > 2) |
1157 | rprintf(FINFO,"generate_files phase=%d\n",phase); | |
1158 | ||
7daccb8e | 1159 | write_int(f_out, -1); |
2f03f956 | 1160 | |
bc63ae3f S |
1161 | /* files can cycle through the system more than once |
1162 | * to catch initial checksum errors */ | |
b9b15fb1 | 1163 | while ((i = get_redo_num()) != -1) { |
bc63ae3f | 1164 | struct file_struct *file = flist->files[i]; |
3fef5364 | 1165 | recv_generator(local_name ? local_name : f_name_to(file, fbuf), |
7433d73a | 1166 | flist, file, i, itemizing, maybe_PERMS_REPORT, |
59faec8b | 1167 | code, allowed_lull, f_out, f_out_name); |
bc63ae3f | 1168 | } |
2f03f956 | 1169 | |
bc63ae3f | 1170 | phase++; |
0492fdfb WD |
1171 | only_existing = save_only_existing; |
1172 | opt_ignore_existing = save_opt_ignore_existing; | |
1173 | ||
bc63ae3f S |
1174 | if (verbose > 2) |
1175 | rprintf(FINFO,"generate_files phase=%d\n",phase); | |
2f03f956 | 1176 | |
7daccb8e | 1177 | write_int(f_out, -1); |
6dff5992 | 1178 | |
b0da4b23 WD |
1179 | /* Read post-redo-phase MSG_DONE and any prior messages. */ |
1180 | get_redo_num(); | |
1181 | ||
6dff5992 | 1182 | if (preserve_hard_links) |
18a11cfd | 1183 | do_hard_links(allowed_lull, flist->count); |
6dff5992 | 1184 | |
59faec8b WD |
1185 | if (delete_after && !local_name && flist->count > 0) |
1186 | do_delete_pass(flist, allowed_lull); | |
1187 | ||
0492fdfb WD |
1188 | if ((need_retouch_dir_perms || need_retouch_dir_times) |
1189 | && !list_only && !local_name && !dry_run) { | |
18a11cfd | 1190 | int j = 0; |
3ea9bbd6 WD |
1191 | /* Now we need to fix any directory permissions that were |
1192 | * modified during the transfer and/or re-set any tweaked | |
1193 | * modified-time values. */ | |
1194 | for (i = 0; i < flist->count; i++) { | |
1195 | struct file_struct *file = flist->files[i]; | |
1196 | if (!file->basename || !S_ISDIR(file->mode)) | |
1197 | continue; | |
1198 | if (!need_retouch_dir_times && file->mode & S_IWUSR) | |
1199 | continue; | |
1200 | recv_generator(local_name ? local_name : f_name(file), | |
7433d73a | 1201 | flist, file, i, itemizing, |
59faec8b WD |
1202 | maybe_PERMS_REPORT, code, allowed_lull, |
1203 | -1, -1); | |
18a11cfd | 1204 | if (allowed_lull && !(j++ % lull_mod)) |
b5587288 | 1205 | maybe_send_keepalive(allowed_lull, flist->count); |
3ea9bbd6 | 1206 | } |
6dff5992 | 1207 | } |
59faec8b | 1208 | recv_generator(NULL, NULL, NULL, 0, 0, 0, code, 0, -1, -1); |
6dff5992 WD |
1209 | |
1210 | if (verbose > 2) | |
1211 | rprintf(FINFO,"generate_files finished\n"); | |
2f03f956 | 1212 | } |