Commit | Line | Data |
---|---|---|
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; | |
083acd49 | 34 | extern int do_progress; |
59faec8b | 35 | extern int recurse; |
2f03f956 | 36 | extern int relative_paths; |
716e73d4 | 37 | extern int keep_dirlinks; |
2f03f956 | 38 | extern int preserve_links; |
2f03f956 AT |
39 | extern int preserve_devices; |
40 | extern int preserve_hard_links; | |
6744b62d WD |
41 | extern int preserve_perms; |
42 | extern int preserve_uid; | |
43 | extern int preserve_gid; | |
3ea9bbd6 WD |
44 | extern int preserve_times; |
45 | extern int omit_dir_times; | |
59faec8b | 46 | extern int delete_before; |
fa13f396 | 47 | extern int delete_during; |
59faec8b WD |
48 | extern int delete_after; |
49 | extern int module_id; | |
50 | extern int ignore_errors; | |
fe960187 | 51 | extern int remove_sent_files; |
70352269 | 52 | extern int delay_updates; |
2f03f956 | 53 | extern int update_only; |
3d6feada | 54 | extern int opt_ignore_existing; |
cd6aa5b5 WD |
55 | extern int inplace; |
56 | extern int make_backups; | |
2f03f956 AT |
57 | extern int csum_length; |
58 | extern int ignore_times; | |
f83f0548 | 59 | extern int size_only; |
7d1bfaf7 | 60 | extern OFF_T max_size; |
2f03f956 | 61 | extern int io_timeout; |
59faec8b | 62 | extern int io_error; |
ee1d11c4 | 63 | extern int sock_f_out; |
9ac2395b | 64 | extern int ignore_timeout; |
d04e9c51 | 65 | extern int protocol_version; |
8e85be0a | 66 | extern int fuzzy_basis; |
2f03f956 | 67 | extern int always_checksum; |
a7260c40 | 68 | extern char *partial_dir; |
b7e8628c | 69 | extern char *basis_dir[]; |
2be2fb3e | 70 | extern int compare_dest; |
967866d4 | 71 | extern int copy_dest; |
59c95e42 | 72 | extern int link_dest; |
5774786f | 73 | extern int whole_file; |
5774786f | 74 | extern int list_only; |
b9f592fb | 75 | extern int read_batch; |
5774786f WD |
76 | extern int only_existing; |
77 | extern int orig_umask; | |
78 | extern int safe_symlinks; | |
a255c592 | 79 | extern long block_size; /* "long" because popt can't set an int32. */ |
59faec8b WD |
80 | extern int max_delete; |
81 | extern int force_delete; | |
82 | extern int one_file_system; | |
6c3862fa | 83 | extern struct stats stats; |
59faec8b WD |
84 | extern dev_t filesystem_dev; |
85 | extern char *backup_dir; | |
86 | extern char *backup_suffix; | |
87 | extern int backup_suffix_len; | |
ee1d11c4 | 88 | extern struct file_list *the_file_list; |
7842418b | 89 | extern struct filter_list_struct server_filter_list; |
97f9dcae | 90 | |
ee1d11c4 WD |
91 | int allowed_lull = 0; |
92 | ||
59faec8b WD |
93 | static int deletion_count = 0; /* used to implement --max-delete */ |
94 | ||
95 | ||
96 | static int is_backup_file(char *fn) | |
97 | { | |
98 | int k = strlen(fn) - backup_suffix_len; | |
99 | return k > 0 && strcmp(fn+k, backup_suffix) == 0; | |
100 | } | |
101 | ||
102 | ||
103 | /* Delete a file or directory. If DEL_FORCE_RECURSE is set in the flags, or if | |
104 | * force_delete is set, this will delete recursively as long as DEL_NO_RECURSE | |
105 | * is not set in the flags. */ | |
106 | static int delete_item(char *fname, int mode, int flags) | |
107 | { | |
108 | struct file_list *dirlist; | |
109 | char buf[MAXPATHLEN]; | |
110 | int j, dlen, zap_dir, ok; | |
111 | void *save_filters; | |
112 | ||
59faec8b | 113 | if (!S_ISDIR(mode)) { |
f75a53e7 WD |
114 | if (max_delete && ++deletion_count > max_delete) |
115 | return 0; | |
59faec8b WD |
116 | if (make_backups && (backup_dir || !is_backup_file(fname))) |
117 | ok = make_backup(fname); | |
118 | else | |
119 | ok = robust_unlink(fname) == 0; | |
120 | if (ok) { | |
121 | if (!(flags & DEL_TERSE)) | |
122 | log_delete(fname, mode); | |
59faec8b WD |
123 | return 0; |
124 | } | |
f75a53e7 WD |
125 | if (errno == ENOENT) { |
126 | deletion_count--; | |
59faec8b | 127 | return 0; |
f75a53e7 | 128 | } |
59faec8b WD |
129 | rsyserr(FERROR, errno, "delete_file: unlink %s failed", |
130 | full_fname(fname)); | |
131 | return -1; | |
132 | } | |
133 | ||
134 | zap_dir = (flags & DEL_FORCE_RECURSE || (force_delete && recurse)) | |
135 | && !(flags & DEL_NO_RECURSE); | |
f75a53e7 WD |
136 | if ((max_delete && ++deletion_count > max_delete) |
137 | || (dry_run && zap_dir)) { | |
59faec8b WD |
138 | ok = 0; |
139 | errno = ENOTEMPTY; | |
140 | } else if (make_backups && !backup_dir && !is_backup_file(fname) | |
141 | && !(flags & DEL_FORCE_RECURSE)) | |
142 | ok = make_backup(fname); | |
143 | else | |
144 | ok = do_rmdir(fname) == 0; | |
145 | if (ok) { | |
146 | if (!(flags & DEL_TERSE)) | |
147 | log_delete(fname, mode); | |
59faec8b WD |
148 | return 0; |
149 | } | |
f75a53e7 WD |
150 | if (errno == ENOENT) { |
151 | deletion_count--; | |
59faec8b | 152 | return 0; |
f75a53e7 | 153 | } |
59faec8b WD |
154 | if (!zap_dir || (errno != ENOTEMPTY && errno != EEXIST)) { |
155 | rsyserr(FERROR, errno, "delete_file: rmdir %s failed", | |
156 | full_fname(fname)); | |
157 | return -1; | |
158 | } | |
f62eaa24 | 159 | flags |= DEL_FORCE_RECURSE; /* mark subdir dels as not "in the way" */ |
f75a53e7 | 160 | deletion_count--; |
59faec8b WD |
161 | |
162 | dlen = strlcpy(buf, fname, MAXPATHLEN); | |
163 | save_filters = push_local_filters(buf, dlen); | |
164 | ||
165 | dirlist = get_dirlist(buf, dlen, 0); | |
166 | for (j = dirlist->count; j--; ) { | |
167 | struct file_struct *fp = dirlist->files[j]; | |
168 | ||
169 | if (fp->flags & FLAG_MOUNT_POINT) | |
170 | continue; | |
171 | ||
172 | f_name_to(fp, buf); | |
173 | if (delete_item(buf, fp->mode, flags & ~DEL_TERSE) != 0) { | |
174 | flist_free(dirlist); | |
175 | return -1; | |
176 | } | |
177 | } | |
178 | flist_free(dirlist); | |
179 | ||
180 | pop_local_filters(save_filters); | |
181 | ||
f75a53e7 WD |
182 | if (max_delete && ++deletion_count > max_delete) |
183 | return 0; | |
59faec8b WD |
184 | |
185 | if (do_rmdir(fname) == 0) { | |
186 | if (!(flags & DEL_TERSE)) | |
187 | log_delete(fname, mode); | |
59faec8b WD |
188 | } else if (errno != ENOTEMPTY && errno != ENOENT) { |
189 | rsyserr(FERROR, errno, "delete_file: rmdir %s failed", | |
190 | full_fname(fname)); | |
191 | return -1; | |
192 | } | |
193 | ||
194 | return 0; | |
195 | } | |
196 | ||
197 | ||
198 | /* This function is used to implement per-directory deletion, and is used by | |
199 | * all the --delete-WHEN options. Note that the fbuf pointer must point to a | |
200 | * MAXPATHLEN buffer with the name of the directory in it (the functions we | |
201 | * call will append names onto the end, but the old dir value will be restored | |
202 | * on exit). */ | |
203 | static void delete_in_dir(struct file_list *flist, char *fbuf, | |
ee1d11c4 | 204 | struct file_struct *file) |
59faec8b WD |
205 | { |
206 | static int min_depth = MAXPATHLEN, cur_depth = -1; | |
207 | static void *filt_array[MAXPATHLEN/2+1]; | |
717b0430 | 208 | static int already_warned = 0; |
59faec8b WD |
209 | struct file_list *dirlist; |
210 | char delbuf[MAXPATHLEN]; | |
211 | STRUCT_STAT st; | |
212 | int dlen, i; | |
213 | ||
214 | if (!flist) { | |
215 | while (cur_depth >= min_depth) | |
216 | pop_local_filters(filt_array[cur_depth--]); | |
217 | min_depth = MAXPATHLEN; | |
218 | cur_depth = -1; | |
219 | return; | |
220 | } | |
221 | ||
222 | if (verbose > 2) | |
223 | rprintf(FINFO, "delete_in_dir(%s)\n", safe_fname(fbuf)); | |
224 | ||
225 | if (allowed_lull) | |
ee1d11c4 | 226 | maybe_send_keepalive(); |
59faec8b WD |
227 | |
228 | if (file->dir.depth >= MAXPATHLEN/2+1) | |
229 | return; /* Impossible... */ | |
230 | ||
59faec8b | 231 | if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) { |
717b0430 | 232 | if (already_warned) |
f75a53e7 | 233 | return; |
59faec8b WD |
234 | rprintf(FINFO, |
235 | "IO error encountered -- skipping file deletion\n"); | |
717b0430 | 236 | already_warned = 1; |
59faec8b WD |
237 | return; |
238 | } | |
239 | ||
240 | while (cur_depth >= file->dir.depth && cur_depth >= min_depth) | |
241 | pop_local_filters(filt_array[cur_depth--]); | |
242 | cur_depth = file->dir.depth; | |
243 | if (min_depth > cur_depth) | |
244 | min_depth = cur_depth; | |
245 | dlen = strlen(fbuf); | |
246 | filt_array[cur_depth] = push_local_filters(fbuf, dlen); | |
247 | ||
248 | if (link_stat(fbuf, &st, keep_dirlinks) < 0) | |
249 | return; | |
250 | ||
251 | if (one_file_system && file->flags & FLAG_TOP_DIR) | |
252 | filesystem_dev = st.st_dev; | |
253 | ||
254 | dirlist = get_dirlist(fbuf, dlen, 0); | |
255 | ||
256 | /* If an item in dirlist is not found in flist, delete it | |
257 | * from the filesystem. */ | |
258 | for (i = dirlist->count; i--; ) { | |
259 | if (!dirlist->files[i]->basename) | |
260 | continue; | |
261 | if (flist_find(flist, dirlist->files[i]) < 0) { | |
59faec8b | 262 | int mode = dirlist->files[i]->mode; |
251f22b5 | 263 | f_name_to(dirlist->files[i], delbuf); |
59faec8b WD |
264 | if (delete_item(delbuf, mode, DEL_FORCE_RECURSE) < 0) |
265 | break; | |
266 | } | |
267 | } | |
268 | ||
269 | flist_free(dirlist); | |
270 | } | |
271 | ||
272 | /* This deletes any files on the receiving side that are not present on the | |
273 | * sending side. This is used by --delete-before and --delete-after. */ | |
ee1d11c4 | 274 | static void do_delete_pass(struct file_list *flist) |
59faec8b WD |
275 | { |
276 | char fbuf[MAXPATHLEN]; | |
277 | int j; | |
278 | ||
f75a53e7 WD |
279 | if (dry_run > 1) /* destination doesn't exist yet */ |
280 | return; | |
281 | ||
59faec8b WD |
282 | for (j = 0; j < flist->count; j++) { |
283 | struct file_struct *file = flist->files[j]; | |
284 | ||
285 | if (!(file->flags & FLAG_DEL_HERE)) | |
286 | continue; | |
287 | ||
288 | f_name_to(file, fbuf); | |
289 | if (verbose > 1 && file->flags & FLAG_TOP_DIR) | |
290 | rprintf(FINFO, "deleting in %s\n", safe_fname(fbuf)); | |
291 | ||
ee1d11c4 | 292 | delete_in_dir(flist, fbuf, file); |
59faec8b | 293 | } |
a06e2b7c WD |
294 | if (do_progress && !am_server) |
295 | rprintf(FINFO, " \r"); | |
59faec8b WD |
296 | } |
297 | ||
b7e8628c | 298 | static int unchanged_attrs(struct file_struct *file, STRUCT_STAT *st) |
2f03f956 | 299 | { |
b7e8628c WD |
300 | if (preserve_perms |
301 | && (st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS)) | |
84acca07 | 302 | return 0; |
bb24028f | 303 | |
b7e8628c WD |
304 | if (am_root && preserve_uid && st->st_uid != file->uid) |
305 | return 0; | |
bb24028f | 306 | |
b7e8628c WD |
307 | if (preserve_gid && file->gid != GID_NONE && st->st_gid != file->gid) |
308 | return 0; | |
309 | ||
310 | return 1; | |
311 | } | |
312 | ||
06a1dbad | 313 | |
ee1d11c4 | 314 | void itemize(struct file_struct *file, int ndx, int statret, STRUCT_STAT *st, |
ef20efcb | 315 | int32 iflags, uchar fnamecmp_type, char *xname) |
06a1dbad | 316 | { |
e86ae6bc | 317 | if (statret == 0) { |
c557eb8c WD |
318 | if (S_ISREG(file->mode) && file->length != st->st_size) |
319 | iflags |= ITEM_REPORT_SIZE; | |
a1d23b53 | 320 | if (!(iflags & ITEM_NO_DEST_AND_NO_UPDATE)) { |
88b218fa WD |
321 | int keep_time = !preserve_times ? 0 |
322 | : S_ISDIR(file->mode) ? !omit_dir_times | |
323 | : !S_ISLNK(file->mode); | |
324 | ||
ee1d11c4 | 325 | if ((iflags & (ITEM_TRANSFER|ITEM_LOCAL_CHANGE) && !keep_time) |
88b218fa WD |
326 | || (keep_time && file->modtime != st->st_mtime)) |
327 | iflags |= ITEM_REPORT_TIME; | |
328 | if (preserve_perms && file->mode != st->st_mode) | |
329 | iflags |= ITEM_REPORT_PERMS; | |
330 | if (preserve_uid && am_root && file->uid != st->st_uid) | |
331 | iflags |= ITEM_REPORT_OWNER; | |
332 | if (preserve_gid && file->gid != GID_NONE | |
333 | && st->st_gid != file->gid) | |
334 | iflags |= ITEM_REPORT_GROUP; | |
335 | } | |
ef20efcb | 336 | } else |
ee1d11c4 | 337 | iflags |= ITEM_IS_NEW; |
c557eb8c | 338 | |
a1d23b53 | 339 | iflags &= 0xffff; |
ee1d11c4 | 340 | if ((iflags & SIGNIFICANT_ITEM_FLAGS || verbose > 1 |
ef20efcb | 341 | || (xname && *xname)) && !read_batch) { |
6c3862fa WD |
342 | if (protocol_version >= 29) { |
343 | if (ndx >= 0) | |
ee1d11c4 WD |
344 | write_int(sock_f_out, ndx); |
345 | write_shortint(sock_f_out, iflags); | |
ef20efcb WD |
346 | if (iflags & ITEM_BASIS_TYPE_FOLLOWS) |
347 | write_byte(sock_f_out, fnamecmp_type); | |
348 | if (iflags & ITEM_XNAME_FOLLOWS) | |
349 | write_vstring(sock_f_out, xname, strlen(xname)); | |
6c3862fa | 350 | } else if (ndx >= 0) |
ef20efcb | 351 | log_item(file, &stats, iflags, xname); |
06a1dbad WD |
352 | } |
353 | } | |
354 | ||
355 | ||
b7e8628c WD |
356 | /* Perform our quick-check heuristic for determining if a file is unchanged. */ |
357 | static int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st) | |
358 | { | |
359 | if (st->st_size != file->length) | |
360 | return 0; | |
59c95e42 | 361 | |
2cda2560 | 362 | /* if always checksum is set then we use the checksum instead |
2f03f956 AT |
363 | of the file time to determine whether to sync */ |
364 | if (always_checksum && S_ISREG(st->st_mode)) { | |
365 | char sum[MD4_SUM_LENGTH]; | |
b7e8628c | 366 | file_checksum(fn, sum, st->st_size); |
728d0922 | 367 | return memcmp(sum, file->u.sum, protocol_version < 21 ? 2 |
84acca07 | 368 | : MD4_SUM_LENGTH) == 0; |
2f03f956 AT |
369 | } |
370 | ||
cc1e997d | 371 | if (size_only) |
84acca07 | 372 | return 1; |
2f03f956 | 373 | |
cc1e997d | 374 | if (ignore_times) |
84acca07 | 375 | return 0; |
cc1e997d | 376 | |
84acca07 | 377 | return cmp_modtime(st->st_mtime, file->modtime) == 0; |
2f03f956 AT |
378 | } |
379 | ||
380 | ||
ec8290c8 | 381 | /* |
195bd906 | 382 | * set (initialize) the size entries in the per-file sum_struct |
ec8290c8 | 383 | * calculating dynamic block and checksum sizes. |
195bd906 | 384 | * |
ec8290c8 | 385 | * This is only called from generate_and_send_sums() but is a separate |
195bd906 S |
386 | * function to encapsulate the logic. |
387 | * | |
388 | * The block size is a rounded square root of file length. | |
389 | * | |
390 | * The checksum size is determined according to: | |
ed7e7955 | 391 | * blocksum_bits = BLOCKSUM_BIAS + 2*log2(file_len) - log2(block_len) |
195bd906 S |
392 | * provided by Donovan Baarda which gives a probability of rsync |
393 | * algorithm corrupting data and falling back using the whole md4 | |
394 | * checksums. | |
395 | * | |
396 | * This might be made one of several selectable heuristics. | |
397 | */ | |
1490812a | 398 | static void sum_sizes_sqroot(struct sum_struct *sum, int64 len) |
195bd906 | 399 | { |
a255c592 | 400 | int32 blength; |
da9d12f5 | 401 | int s2length; |
195bd906 | 402 | |
a255c592 | 403 | if (block_size) |
195bd906 | 404 | blength = block_size; |
a255c592 | 405 | else if (len <= BLOCK_SIZE * BLOCK_SIZE) |
195bd906 | 406 | blength = BLOCK_SIZE; |
a255c592 WD |
407 | else { |
408 | int32 c; | |
1490812a | 409 | int64 l; |
eae7165c WD |
410 | int cnt; |
411 | for (c = 1, l = len, cnt = 0; l >>= 2; c <<= 1, cnt++) {} | |
412 | if (cnt >= 31 || c >= MAX_BLOCK_SIZE) | |
413 | blength = MAX_BLOCK_SIZE; | |
414 | else { | |
415 | blength = 0; | |
416 | do { | |
417 | blength |= c; | |
1490812a | 418 | if (len < (int64)blength * blength) |
eae7165c WD |
419 | blength &= ~c; |
420 | c >>= 1; | |
421 | } while (c >= 8); /* round to multiple of 8 */ | |
422 | blength = MAX(blength, BLOCK_SIZE); | |
195bd906 | 423 | } |
195bd906 S |
424 | } |
425 | ||
d04e9c51 | 426 | if (protocol_version < 27) { |
195bd906 S |
427 | s2length = csum_length; |
428 | } else if (csum_length == SUM_LENGTH) { | |
429 | s2length = SUM_LENGTH; | |
430 | } else { | |
a255c592 | 431 | int32 c; |
1490812a | 432 | int64 l; |
da9d12f5 | 433 | int b = BLOCKSUM_BIAS; |
a255c592 WD |
434 | for (l = len; l >>= 1; b += 2) {} |
435 | for (c = blength; c >>= 1 && b; b--) {} | |
436 | /* add a bit, subtract rollsum, round up. */ | |
437 | s2length = (b + 1 - 32 + 7) / 8; /* --optimize in compiler-- */ | |
195bd906 S |
438 | s2length = MAX(s2length, csum_length); |
439 | s2length = MIN(s2length, SUM_LENGTH); | |
440 | } | |
441 | ||
442 | sum->flength = len; | |
443 | sum->blength = blength; | |
444 | sum->s2length = s2length; | |
445 | sum->count = (len + (blength - 1)) / blength; | |
446 | sum->remainder = (len % blength); | |
447 | ||
448 | if (sum->count && verbose > 2) { | |
a255c592 WD |
449 | rprintf(FINFO, |
450 | "count=%.0f rem=%ld blength=%ld s2length=%d flength=%.0f\n", | |
451 | (double)sum->count, (long)sum->remainder, (long)sum->blength, | |
da9d12f5 | 452 | sum->s2length, (double)sum->flength); |
195bd906 S |
453 | } |
454 | } | |
80605142 | 455 | |
bceec82f | 456 | |
80605142 WD |
457 | /* |
458 | * Generate and send a stream of signatures/checksums that describe a buffer | |
e66dfd18 | 459 | * |
80605142 WD |
460 | * Generate approximately one checksum every block_len bytes. |
461 | */ | |
cd6aa5b5 | 462 | static void generate_and_send_sums(int fd, OFF_T len, int f_out, int f_copy) |
2f03f956 | 463 | { |
a1cbe76e | 464 | int32 i; |
6e45e1dd | 465 | struct map_struct *mapbuf; |
80605142 | 466 | struct sum_struct sum; |
2f03f956 AT |
467 | OFF_T offset = 0; |
468 | ||
423dba8e | 469 | sum_sizes_sqroot(&sum, len); |
e66dfd18 | 470 | |
6e45e1dd | 471 | if (len > 0) |
96d910c7 | 472 | mapbuf = map_file(fd, len, MAX_MAP_SIZE, sum.blength); |
6e45e1dd WD |
473 | else |
474 | mapbuf = NULL; | |
475 | ||
fc0257c9 | 476 | write_sum_head(f_out, &sum); |
2f03f956 | 477 | |
80605142 | 478 | for (i = 0; i < sum.count; i++) { |
a255c592 | 479 | int32 n1 = (int32)MIN(len, (OFF_T)sum.blength); |
6e45e1dd | 480 | char *map = map_ptr(mapbuf, offset, n1); |
80605142 WD |
481 | uint32 sum1 = get_checksum1(map, n1); |
482 | char sum2[SUM_LENGTH]; | |
2f03f956 | 483 | |
cd6aa5b5 WD |
484 | if (f_copy >= 0) |
485 | full_write(f_copy, map, n1); | |
486 | ||
80605142 | 487 | get_checksum2(map, n1, sum2); |
2f03f956 | 488 | |
80605142 | 489 | if (verbose > 3) { |
e66dfd18 | 490 | rprintf(FINFO, |
a255c592 WD |
491 | "chunk[%.0f] offset=%.0f len=%ld sum1=%08lx\n", |
492 | (double)i, (double)offset, (long)n1, | |
0e36d9da | 493 | (unsigned long)sum1); |
80605142 WD |
494 | } |
495 | write_int(f_out, sum1); | |
fc0257c9 | 496 | write_buf(f_out, sum2, sum.s2length); |
2f03f956 AT |
497 | len -= n1; |
498 | offset += n1; | |
499 | } | |
6e45e1dd WD |
500 | |
501 | if (mapbuf) | |
502 | unmap_file(mapbuf); | |
2f03f956 AT |
503 | } |
504 | ||
06a1dbad | 505 | |
8e85be0a WD |
506 | /* Try to find a filename in the same dir as "fname" with a similar name. */ |
507 | static int find_fuzzy(struct file_struct *file, struct file_list *dirlist) | |
508 | { | |
509 | int fname_len, fname_suf_len; | |
510 | const char *fname_suf, *fname = file->basename; | |
f328e0f3 | 511 | uint32 lowest_dist = 25 << 16; /* ignore a distance greater than 25 */ |
8e85be0a WD |
512 | int j, lowest_j = -1; |
513 | ||
514 | fname_len = strlen(fname); | |
515 | fname_suf = find_filename_suffix(fname, fname_len, &fname_suf_len); | |
516 | ||
517 | for (j = 0; j < dirlist->count; j++) { | |
518 | struct file_struct *fp = dirlist->files[j]; | |
519 | const char *suf, *name; | |
520 | int len, suf_len; | |
521 | uint32 dist; | |
522 | ||
523 | if (!S_ISREG(fp->mode) || !fp->length | |
524 | || fp->flags & FLAG_NO_FUZZY) | |
525 | continue; | |
526 | ||
527 | name = fp->basename; | |
528 | ||
529 | if (fp->length == file->length | |
530 | && fp->modtime == file->modtime) { | |
531 | if (verbose > 4) { | |
532 | rprintf(FINFO, | |
533 | "fuzzy size/modtime match for %s\n", | |
534 | name); | |
535 | } | |
536 | return j; | |
537 | } | |
538 | ||
539 | len = strlen(name); | |
540 | suf = find_filename_suffix(name, len, &suf_len); | |
541 | ||
542 | dist = fuzzy_distance(name, len, fname, fname_len); | |
543 | /* Add some extra weight to how well the suffixes match. */ | |
544 | dist += fuzzy_distance(suf, suf_len, fname_suf, fname_suf_len) | |
545 | * 10; | |
546 | if (verbose > 4) { | |
547 | rprintf(FINFO, "fuzzy distance for %s = %d.%05d\n", | |
548 | name, (int)(dist>>16), (int)(dist&0xFFFF)); | |
549 | } | |
550 | if (dist <= lowest_dist) { | |
551 | lowest_dist = dist; | |
552 | lowest_j = j; | |
553 | } | |
554 | } | |
555 | ||
556 | return lowest_j; | |
557 | } | |
558 | ||
ee1d11c4 WD |
559 | void check_for_finished_hlinks(int itemizing, enum logcode code) |
560 | { | |
561 | struct file_struct *file; | |
562 | int ndx; | |
563 | ||
564 | while ((ndx = get_hlink_num()) != -1) { | |
565 | if (ndx < 0 || ndx >= the_file_list->count) | |
566 | continue; | |
567 | ||
568 | file = the_file_list->files[ndx]; | |
569 | if (!file->link_u.links) | |
570 | continue; | |
571 | ||
572 | hard_link_cluster(file, ndx, itemizing, code); | |
573 | } | |
574 | } | |
2f03f956 | 575 | |
ed7e7955 WD |
576 | static int phase = 0; |
577 | ||
ee1d11c4 | 578 | /* Acts on the_file_list->file's ndx'th item, whose name is fname. If a dir, |
0492fdfb WD |
579 | * make sure it exists, and has the right permissions/timestamp info. For |
580 | * all other non-regular files (symlinks, etc.) we create them here. For | |
581 | * regular files that have changed, we try to find a basis file and then | |
582 | * start sending checksums. | |
ef1aa910 | 583 | * |
0492fdfb WD |
584 | * Note that f_out is set to -1 when doing final directory-permission and |
585 | * modification-time repair. */ | |
ee1d11c4 | 586 | static void recv_generator(char *fname, struct file_struct *file, int ndx, |
7433d73a | 587 | int itemizing, int maybe_PERMS_REPORT, |
ef20efcb | 588 | enum logcode code, int f_out) |
2cda2560 | 589 | { |
8174bc35 | 590 | static int missing_below = -1, excluded_below = -1; |
7e9059d6 | 591 | static char *fuzzy_dirname = ""; |
8e85be0a WD |
592 | static struct file_list *fuzzy_dirlist = NULL; |
593 | struct file_struct *fuzzy_file = NULL; | |
41cfde6b | 594 | int fd = -1, f_copy = -1; |
1f1d368a | 595 | STRUCT_STAT st, real_st, partial_st; |
41cfde6b | 596 | struct file_struct *back_file = NULL; |
1f1d368a | 597 | int statret, real_ret, stat_errno; |
41cfde6b | 598 | char *fnamecmp, *partialptr, *backupptr = NULL; |
375a4556 | 599 | char fnamecmpbuf[MAXPATHLEN]; |
41cfde6b | 600 | uchar fnamecmp_type; |
f7632fc6 | 601 | |
dfd5ba6a WD |
602 | if (list_only) |
603 | return; | |
2f03f956 | 604 | |
8e85be0a WD |
605 | if (!fname) { |
606 | if (fuzzy_dirlist) { | |
607 | flist_free(fuzzy_dirlist); | |
608 | fuzzy_dirlist = NULL; | |
7e9059d6 | 609 | fuzzy_dirname = ""; |
8e85be0a WD |
610 | } |
611 | if (missing_below >= 0) { | |
612 | dry_run--; | |
613 | missing_below = -1; | |
614 | } | |
615 | return; | |
616 | } | |
617 | ||
4875d6b6 WD |
618 | if (verbose > 2) { |
619 | rprintf(FINFO, "recv_generator(%s,%d)\n", | |
620 | safe_fname(fname), ndx); | |
621 | } | |
2f03f956 | 622 | |
8174bc35 WD |
623 | if (server_filter_list.head) { |
624 | if (excluded_below >= 0) { | |
625 | if (file->dir.depth > excluded_below) | |
626 | goto skipping; | |
627 | excluded_below = -1; | |
628 | } | |
629 | if (check_filter(&server_filter_list, fname, | |
630 | S_ISDIR(file->mode)) < 0) { | |
631 | if (S_ISDIR(file->mode)) | |
632 | excluded_below = file->dir.depth; | |
633 | skipping: | |
634 | if (verbose) { | |
635 | rprintf(FINFO, | |
636 | "skipping server-excluded file \"%s\"\n", | |
637 | safe_fname(fname)); | |
638 | } | |
639 | return; | |
3e35c34b | 640 | } |
3e35c34b | 641 | } |
97f9dcae | 642 | |
8e85be0a | 643 | if (missing_below >= 0 && file->dir.depth <= missing_below) { |
df337831 WD |
644 | dry_run--; |
645 | missing_below = -1; | |
646 | } | |
73f7af0e WD |
647 | if (dry_run > 1) { |
648 | statret = -1; | |
649 | stat_errno = ENOENT; | |
650 | } else { | |
8e85be0a WD |
651 | if (fuzzy_basis && S_ISREG(file->mode)) { |
652 | char *dn = file->dirname ? file->dirname : "."; | |
ccc51c83 WD |
653 | if (fuzzy_dirname != dn |
654 | && strcmp(fuzzy_dirname, dn) != 0) { | |
8e85be0a WD |
655 | if (fuzzy_dirlist) |
656 | flist_free(fuzzy_dirlist); | |
ccc51c83 | 657 | fuzzy_dirlist = get_dirlist(dn, -1, 1); |
8e85be0a | 658 | } |
ccc51c83 | 659 | fuzzy_dirname = dn; |
8e85be0a WD |
660 | } |
661 | ||
73f7af0e WD |
662 | statret = link_stat(fname, &st, |
663 | keep_dirlinks && S_ISDIR(file->mode)); | |
664 | stat_errno = errno; | |
665 | } | |
63787382 | 666 | |
a7260c40 | 667 | if (only_existing && statret == -1 && stat_errno == ENOENT) { |
1347d512 | 668 | /* we only want to update existing files */ |
ecc81fce WD |
669 | if (verbose > 1) { |
670 | rprintf(FINFO, "not creating new file \"%s\"\n", | |
671 | safe_fname(fname)); | |
672 | } | |
1347d512 AT |
673 | return; |
674 | } | |
675 | ||
d9b4d267 WD |
676 | if (statret == 0 && !preserve_perms |
677 | && S_ISDIR(st.st_mode) == S_ISDIR(file->mode)) { | |
4df9f368 | 678 | /* if the file exists already and we aren't perserving |
2cda2560 WD |
679 | * permissions then act as though the remote end sent |
680 | * us the file permissions we already have */ | |
67e78a82 WD |
681 | file->mode = (file->mode & ~CHMOD_BITS) |
682 | | (st.st_mode & CHMOD_BITS); | |
4df9f368 AT |
683 | } |
684 | ||
2f03f956 | 685 | if (S_ISDIR(file->mode)) { |
2cda2560 WD |
686 | /* The file to be received is a directory, so we need |
687 | * to prepare appropriately. If there is already a | |
688 | * file of that name and it is *not* a directory, then | |
689 | * we need to delete it. If it doesn't exist, then | |
027428eb | 690 | * (perhaps recursively) create it. */ |
2f03f956 | 691 | if (statret == 0 && !S_ISDIR(st.st_mode)) { |
1f1d368a WD |
692 | if (delete_item(fname, st.st_mode, DEL_TERSE) < 0) |
693 | return; | |
2f03f956 AT |
694 | statret = -1; |
695 | } | |
df337831 WD |
696 | if (dry_run && statret != 0 && missing_below < 0) { |
697 | missing_below = file->dir.depth; | |
698 | dry_run++; | |
699 | } | |
ee1d11c4 WD |
700 | if (itemizing && f_out != -1) { |
701 | itemize(file, ndx, statret, &st, | |
ef20efcb | 702 | statret ? ITEM_LOCAL_CHANGE : 0, 0, NULL); |
ee1d11c4 | 703 | } |
2f03f956 | 704 | if (statret != 0 && do_mkdir(fname,file->mode) != 0 && errno != EEXIST) { |
027428eb WD |
705 | if (!relative_paths || errno != ENOENT |
706 | || create_directory_path(fname, orig_umask) < 0 | |
707 | || do_mkdir(fname, file->mode) < 0) { | |
d62bcc17 WD |
708 | rsyserr(FERROR, errno, |
709 | "recv_generator: mkdir %s failed", | |
710 | full_fname(fname)); | |
2f03f956 AT |
711 | } |
712 | } | |
716e73d4 | 713 | if (set_perms(fname, file, statret ? NULL : &st, 0) |
6c3862fa WD |
714 | && verbose && code && f_out != -1) |
715 | rprintf(code, "%s/\n", safe_fname(fname)); | |
f75a53e7 | 716 | if (delete_during && f_out != -1 && !phase && dry_run < 2 |
31937d36 | 717 | && (file->flags & FLAG_DEL_HERE)) |
ee1d11c4 | 718 | delete_in_dir(the_file_list, fname, file); |
2f03f956 | 719 | return; |
06a1dbad | 720 | } |
6c3862fa | 721 | |
06a1dbad | 722 | if (max_size && file->length > max_size) { |
4875d6b6 WD |
723 | if (verbose > 1) { |
724 | rprintf(FINFO, "%s is over max-size\n", | |
725 | safe_fname(fname)); | |
726 | } | |
7d1bfaf7 | 727 | return; |
2f03f956 AT |
728 | } |
729 | ||
730 | if (preserve_links && S_ISLNK(file->mode)) { | |
4f5b0756 | 731 | #ifdef SUPPORT_LINKS |
728d0922 | 732 | if (safe_symlinks && unsafe_symlink(file->u.link, fname)) { |
2f03f956 | 733 | if (verbose) { |
4875d6b6 WD |
734 | rprintf(FINFO, |
735 | "ignoring unsafe symlink %s -> \"%s\"\n", | |
736 | full_fname(fname), | |
737 | safe_fname(file->u.link)); | |
2f03f956 AT |
738 | } |
739 | return; | |
740 | } | |
741 | if (statret == 0) { | |
7e38410e WD |
742 | char lnk[MAXPATHLEN]; |
743 | int len; | |
744 | ||
8a8356b7 | 745 | if (!S_ISDIR(st.st_mode) |
7e38410e WD |
746 | && (len = readlink(fname, lnk, MAXPATHLEN-1)) > 0) { |
747 | lnk[len] = 0; | |
85d4d142 MP |
748 | /* A link already pointing to the |
749 | * right place -- no further action | |
750 | * required. */ | |
7e38410e | 751 | if (strcmp(lnk, file->u.link) == 0) { |
6c3862fa | 752 | if (itemizing) { |
ee1d11c4 | 753 | itemize(file, ndx, 0, &st, 0, |
ef20efcb | 754 | 0, NULL); |
c557eb8c | 755 | } |
c41b52c4 | 756 | set_perms(fname, file, &st, |
8a8356b7 | 757 | maybe_PERMS_REPORT); |
2f03f956 AT |
758 | return; |
759 | } | |
2cda2560 | 760 | } |
7e38410e WD |
761 | /* Not the right symlink (or not a symlink), so |
762 | * delete it. */ | |
1f1d368a WD |
763 | if (delete_item(fname, st.st_mode, DEL_TERSE) < 0) |
764 | return; | |
765 | if (!S_ISLNK(st.st_mode)) | |
88b218fa | 766 | statret = -1; |
2f03f956 | 767 | } |
728d0922 | 768 | if (do_symlink(file->u.link,fname) != 0) { |
d62bcc17 | 769 | rsyserr(FERROR, errno, "symlink %s -> \"%s\" failed", |
ecc81fce | 770 | full_fname(fname), safe_fname(file->u.link)); |
2f03f956 AT |
771 | } else { |
772 | set_perms(fname,file,NULL,0); | |
6c3862fa | 773 | if (itemizing) { |
ee1d11c4 | 774 | itemize(file, ndx, statret, &st, |
ef20efcb | 775 | ITEM_LOCAL_CHANGE, 0, NULL); |
6c3862fa WD |
776 | } |
777 | if (code && verbose) { | |
778 | rprintf(code, "%s -> %s\n", safe_fname(fname), | |
c557eb8c | 779 | safe_fname(file->u.link)); |
2f03f956 | 780 | } |
fe960187 WD |
781 | if (remove_sent_files && !dry_run) { |
782 | char numbuf[4]; | |
783 | SIVAL(numbuf, 0, ndx); | |
784 | send_msg(MSG_SUCCESS, numbuf, 4); | |
785 | } | |
2f03f956 AT |
786 | } |
787 | #endif | |
788 | return; | |
789 | } | |
790 | ||
2f03f956 | 791 | if (am_root && preserve_devices && IS_DEVICE(file->mode)) { |
2cda2560 | 792 | if (statret != 0 || |
2f03f956 | 793 | st.st_mode != file->mode || |
3915fd75 | 794 | st.st_rdev != file->u.rdev) { |
1f1d368a WD |
795 | if (delete_item(fname, st.st_mode, DEL_TERSE) < 0) |
796 | return; | |
59faec8b | 797 | if (!IS_DEVICE(st.st_mode)) |
88b218fa | 798 | statret = -1; |
d62bcc17 | 799 | if (verbose > 2) { |
2f03f956 | 800 | rprintf(FINFO,"mknod(%s,0%o,0x%x)\n", |
ecc81fce WD |
801 | safe_fname(fname), |
802 | (int)file->mode, (int)file->u.rdev); | |
d62bcc17 | 803 | } |
728d0922 | 804 | if (do_mknod(fname,file->mode,file->u.rdev) != 0) { |
d62bcc17 WD |
805 | rsyserr(FERROR, errno, "mknod %s failed", |
806 | full_fname(fname)); | |
2f03f956 AT |
807 | } else { |
808 | set_perms(fname,file,NULL,0); | |
6c3862fa | 809 | if (itemizing) { |
ee1d11c4 | 810 | itemize(file, ndx, statret, &st, |
ef20efcb | 811 | ITEM_LOCAL_CHANGE, 0, NULL); |
6c3862fa WD |
812 | } |
813 | if (code && verbose) { | |
814 | rprintf(code, "%s\n", | |
ecc81fce WD |
815 | safe_fname(fname)); |
816 | } | |
2f03f956 AT |
817 | } |
818 | } else { | |
ee1d11c4 | 819 | if (itemizing) |
ef20efcb | 820 | itemize(file, ndx, statret, &st, 0, 0, NULL); |
8a8356b7 | 821 | set_perms(fname, file, &st, maybe_PERMS_REPORT); |
2f03f956 AT |
822 | } |
823 | return; | |
824 | } | |
2f03f956 | 825 | |
ee1d11c4 | 826 | if (preserve_hard_links && hard_link_check(file, ndx, HL_CHECK_MASTER)) |
2f03f956 | 827 | return; |
2f03f956 AT |
828 | |
829 | if (!S_ISREG(file->mode)) { | |
ecc81fce WD |
830 | rprintf(FINFO, "skipping non-regular file \"%s\"\n", |
831 | safe_fname(fname)); | |
2f03f956 AT |
832 | return; |
833 | } | |
834 | ||
c3cbcfb8 WD |
835 | if (opt_ignore_existing && statret == 0) { |
836 | if (verbose > 1) | |
837 | rprintf(FINFO, "%s exists\n", safe_fname(fname)); | |
838 | return; | |
839 | } | |
840 | ||
841 | if (update_only && statret == 0 | |
842 | && cmp_modtime(st.st_mtime, file->modtime) > 0) { | |
843 | if (verbose > 1) | |
844 | rprintf(FINFO, "%s is newer\n", safe_fname(fname)); | |
845 | return; | |
846 | } | |
847 | ||
375a4556 | 848 | fnamecmp = fname; |
41cfde6b | 849 | fnamecmp_type = FNAMECMP_FNAME; |
375a4556 | 850 | |
1f1d368a WD |
851 | if (statret == 0 && !S_ISREG(st.st_mode)) { |
852 | if (delete_item(fname, st.st_mode, DEL_TERSE) != 0) | |
853 | return; | |
854 | statret = -1; | |
855 | stat_errno = ENOENT; | |
856 | } | |
857 | ||
06a1dbad | 858 | if (statret != 0 && basis_dir[0] != NULL) { |
aef98825 | 859 | int best_match = -1; |
b7e8628c WD |
860 | int match_level = 0; |
861 | int i = 0; | |
862 | do { | |
863 | pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, | |
864 | basis_dir[i], fname); | |
aef98825 WD |
865 | if (link_stat(fnamecmpbuf, &st, 0) < 0 |
866 | || !S_ISREG(st.st_mode)) | |
867 | continue; | |
868 | switch (match_level) { | |
869 | case 0: | |
870 | best_match = i; | |
871 | match_level = 1; | |
aef98825 WD |
872 | /* FALL THROUGH */ |
873 | case 1: | |
874 | if (!unchanged_file(fnamecmpbuf, file, &st)) | |
875 | continue; | |
876 | best_match = i; | |
877 | match_level = 2; | |
967866d4 WD |
878 | if (copy_dest) |
879 | break; | |
aef98825 WD |
880 | /* FALL THROUGH */ |
881 | case 2: | |
882 | if (!unchanged_attrs(file, &st)) | |
883 | continue; | |
884 | best_match = i; | |
b7e8628c WD |
885 | match_level = 3; |
886 | break; | |
887 | } | |
aef98825 | 888 | break; |
b7e8628c | 889 | } while (basis_dir[++i] != NULL); |
aef98825 | 890 | if (match_level) { |
9ba46343 | 891 | statret = 0; |
aef98825 WD |
892 | if (i != best_match) { |
893 | i = best_match; | |
b7e8628c WD |
894 | pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, |
895 | basis_dir[i], fname); | |
9ba46343 WD |
896 | if (link_stat(fnamecmpbuf, &st, 0) < 0) { |
897 | match_level = 0; | |
898 | statret = -1; | |
a1d23b53 | 899 | stat_errno = errno; |
9ba46343 | 900 | } |
b7e8628c | 901 | } |
4f5b0756 | 902 | #ifdef HAVE_LINK |
ee1d11c4 WD |
903 | if (link_dest && match_level == 3) { |
904 | if (hard_link_one(file, ndx, fname, -1, &st, | |
905 | fnamecmpbuf, 1, | |
906 | itemizing && verbose > 1, | |
907 | code) == 0) | |
908 | return; | |
70b54e4e WD |
909 | if (verbose) { |
910 | rsyserr(FINFO, errno, "link %s => %s", | |
911 | full_fname(fnamecmpbuf), | |
912 | safe_fname(fname)); | |
e7bc9b64 | 913 | } |
e2243317 | 914 | match_level = 2; |
70b54e4e | 915 | } |
59c95e42 | 916 | #endif |
967866d4 WD |
917 | if (match_level == 2) { |
918 | /* Copy the file locally. */ | |
919 | if (copy_file(fnamecmpbuf, fname, file->mode) < 0) { | |
920 | if (verbose) { | |
921 | rsyserr(FINFO, errno, | |
922 | "copy_file %s => %s", | |
923 | full_fname(fnamecmpbuf), | |
924 | safe_fname(fname)); | |
925 | } | |
926 | match_level = 0; | |
927 | statret = -1; | |
552a2184 WD |
928 | } else { |
929 | if (itemizing) { | |
930 | itemize(file, ndx, 0, &st, | |
931 | ITEM_LOCAL_CHANGE, 0, | |
932 | NULL); | |
933 | } else if (verbose && code) { | |
934 | rprintf(code, "%s\n", | |
935 | safe_fname(fname)); | |
936 | } | |
937 | set_perms(fname, file, NULL, | |
938 | maybe_PERMS_REPORT); | |
939 | if (preserve_hard_links | |
940 | && file->link_u.links) { | |
941 | hard_link_cluster(file, ndx, | |
942 | itemizing, | |
943 | code); | |
944 | } | |
945 | return; | |
946 | } | |
967866d4 | 947 | } else if (compare_dest || match_level == 1) { |
e7d13fe5 | 948 | fnamecmp = fnamecmpbuf; |
2be2fb3e | 949 | fnamecmp_type = i; |
41cfde6b | 950 | } |
e7d13fe5 WD |
951 | } |
952 | } | |
953 | ||
1f1d368a WD |
954 | real_ret = statret; |
955 | real_st = st; | |
375a4556 | 956 | |
9d954dca | 957 | if (partial_dir && (partialptr = partial_dir_fname(fname)) != NULL |
72c19bb3 WD |
958 | && link_stat(partialptr, &partial_st, 0) == 0 |
959 | && S_ISREG(partial_st.st_mode)) { | |
06a1dbad | 960 | if (statret != 0) |
72c19bb3 WD |
961 | goto prepare_to_open; |
962 | } else | |
963 | partialptr = NULL; | |
89f7eff3 | 964 | |
06a1dbad | 965 | if (statret != 0 && fuzzy_basis && dry_run <= 1) { |
8e85be0a WD |
966 | int j = find_fuzzy(file, fuzzy_dirlist); |
967 | if (j >= 0) { | |
968 | fuzzy_file = fuzzy_dirlist->files[j]; | |
969 | f_name_to(fuzzy_file, fnamecmpbuf); | |
970 | if (verbose > 2) { | |
971 | rprintf(FINFO, "fuzzy basis selected for %s: %s\n", | |
972 | safe_fname(fname), safe_fname(fnamecmpbuf)); | |
973 | } | |
8e85be0a | 974 | st.st_size = fuzzy_file->length; |
8e85be0a WD |
975 | statret = 0; |
976 | fnamecmp = fnamecmpbuf; | |
977 | fnamecmp_type = FNAMECMP_FUZZY; | |
978 | } | |
979 | } | |
980 | ||
06a1dbad | 981 | if (statret != 0) { |
ee1d11c4 | 982 | if (preserve_hard_links && hard_link_check(file, ndx, HL_SKIP)) |
6dff5992 | 983 | return; |
41cfde6b WD |
984 | if (stat_errno == ENOENT) |
985 | goto notify_others; | |
986 | if (verbose > 1) { | |
e7d13fe5 WD |
987 | rsyserr(FERROR, stat_errno, |
988 | "recv_generator: failed to stat %s", | |
d62bcc17 | 989 | full_fname(fname)); |
2f03f956 AT |
990 | } |
991 | return; | |
992 | } | |
993 | ||
2be2fb3e | 994 | if (!compare_dest && fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH) |
b7e8628c | 995 | ; |
8e85be0a WD |
996 | else if (fnamecmp_type == FNAMECMP_FUZZY) |
997 | ; | |
b7e8628c | 998 | else if (unchanged_file(fnamecmp, file, &st)) { |
a1d23b53 | 999 | if (fnamecmp_type == FNAMECMP_FNAME) { |
1f1d368a WD |
1000 | if (itemizing) { |
1001 | itemize(file, ndx, real_ret, &real_st, | |
1002 | 0, 0, NULL); | |
1003 | } | |
a1d23b53 | 1004 | set_perms(fname, file, &st, maybe_PERMS_REPORT); |
ee1d11c4 WD |
1005 | if (preserve_hard_links && file->link_u.links) |
1006 | hard_link_cluster(file, ndx, itemizing, code); | |
a1d23b53 WD |
1007 | return; |
1008 | } | |
1009 | /* Only --compare-dest gets here. */ | |
967866d4 WD |
1010 | itemize(file, ndx, real_ret, &real_st, |
1011 | ITEM_NO_DEST_AND_NO_UPDATE, 0, NULL); | |
1012 | return; | |
2f03f956 AT |
1013 | } |
1014 | ||
89f7eff3 | 1015 | prepare_to_open: |
9d954dca WD |
1016 | if (partialptr) { |
1017 | st = partial_st; | |
1018 | fnamecmp = partialptr; | |
1019 | fnamecmp_type = FNAMECMP_PARTIAL_DIR; | |
1020 | statret = 0; | |
1021 | } | |
1022 | ||
33ab4ad8 | 1023 | if (dry_run || read_batch || whole_file) |
3841a04e | 1024 | goto notify_others; |
2f03f956 | 1025 | |
8e85be0a WD |
1026 | if (fuzzy_basis) { |
1027 | int j = flist_find(fuzzy_dirlist, file); | |
1028 | if (j >= 0) /* don't use changing file as future fuzzy basis */ | |
1029 | fuzzy_dirlist->files[j]->flags |= FLAG_NO_FUZZY; | |
1030 | } | |
1031 | ||
2cda2560 | 1032 | /* open the file */ |
8c9fd200 | 1033 | fd = do_open(fnamecmp, O_RDONLY, 0); |
2f03f956 AT |
1034 | |
1035 | if (fd == -1) { | |
d62bcc17 WD |
1036 | rsyserr(FERROR, errno, "failed to open %s, continuing", |
1037 | full_fname(fnamecmp)); | |
cd6aa5b5 | 1038 | pretend_missing: |
60be6acf | 1039 | /* pretend the file didn't exist */ |
ee1d11c4 | 1040 | if (preserve_hard_links && hard_link_check(file, ndx, HL_SKIP)) |
6dff5992 | 1041 | return; |
1f1d368a | 1042 | statret = real_ret = -1; |
41cfde6b | 1043 | goto notify_others; |
2f03f956 AT |
1044 | } |
1045 | ||
ef20efcb | 1046 | if (inplace && make_backups && fnamecmp_type == FNAMECMP_FNAME) { |
cd6aa5b5 WD |
1047 | if (!(backupptr = get_backup_name(fname))) { |
1048 | close(fd); | |
1049 | return; | |
1050 | } | |
7842418b | 1051 | if (!(back_file = make_file(fname, NULL, NO_FILTERS))) { |
cd6aa5b5 WD |
1052 | close(fd); |
1053 | goto pretend_missing; | |
1054 | } | |
1055 | if (robust_unlink(backupptr) && errno != ENOENT) { | |
1056 | rsyserr(FERROR, errno, "unlink %s", | |
1057 | full_fname(backupptr)); | |
1058 | free(back_file); | |
1059 | close(fd); | |
1060 | return; | |
1061 | } | |
1062 | if ((f_copy = do_open(backupptr, | |
1063 | O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0) { | |
1064 | rsyserr(FERROR, errno, "open %s", | |
1065 | full_fname(backupptr)); | |
1066 | free(back_file); | |
1067 | close(fd); | |
1068 | return; | |
1069 | } | |
41cfde6b | 1070 | fnamecmp_type = FNAMECMP_BACKUP; |
cd6aa5b5 WD |
1071 | } |
1072 | ||
dfd5ba6a | 1073 | if (verbose > 3) { |
ecc81fce WD |
1074 | rprintf(FINFO, "gen mapped %s of size %.0f\n", |
1075 | safe_fname(fnamecmp), (double)st.st_size); | |
dfd5ba6a | 1076 | } |
2f03f956 | 1077 | |
2f03f956 | 1078 | if (verbose > 2) |
0492fdfb | 1079 | rprintf(FINFO, "generating and sending sums for %d\n", ndx); |
2f03f956 | 1080 | |
41cfde6b | 1081 | notify_others: |
0492fdfb | 1082 | write_int(f_out, ndx); |
6c3862fa | 1083 | if (itemizing) { |
ee1d11c4 | 1084 | int iflags = ITEM_TRANSFER; |
8237f930 | 1085 | if (always_checksum) |
a1d23b53 | 1086 | iflags |= ITEM_REPORT_CHECKSUM; |
352963dd | 1087 | if (fnamecmp_type != FNAMECMP_FNAME) |
ef20efcb WD |
1088 | iflags |= ITEM_BASIS_TYPE_FOLLOWS; |
1089 | if (fnamecmp_type == FNAMECMP_FUZZY) | |
1090 | iflags |= ITEM_XNAME_FOLLOWS; | |
1f1d368a | 1091 | itemize(file, -1, real_ret, &real_st, iflags, fnamecmp_type, |
ef20efcb | 1092 | fuzzy_file ? fuzzy_file->basename : NULL); |
8e85be0a | 1093 | } |
cd6aa5b5 | 1094 | |
ee1d11c4 WD |
1095 | if (dry_run) { |
1096 | if (preserve_hard_links && file->link_u.links) | |
1097 | hard_link_cluster(file, ndx, itemizing, code); | |
1098 | return; | |
1099 | } | |
1100 | if (read_batch) | |
41cfde6b WD |
1101 | return; |
1102 | ||
33ab4ad8 | 1103 | if (statret != 0 || whole_file) { |
e86ae6bc WD |
1104 | write_sum_head(f_out, NULL); |
1105 | return; | |
1106 | } | |
1107 | ||
1108 | generate_and_send_sums(fd, st.st_size, f_out, f_copy); | |
1109 | ||
1110 | if (f_copy >= 0) { | |
1111 | close(f_copy); | |
1112 | set_perms(backupptr, back_file, NULL, 0); | |
1113 | if (verbose > 1) { | |
1114 | rprintf(FINFO, "backed up %s to %s\n", | |
1115 | safe_fname(fname), safe_fname(backupptr)); | |
41cfde6b | 1116 | } |
e86ae6bc WD |
1117 | free(back_file); |
1118 | } | |
41cfde6b | 1119 | |
e86ae6bc | 1120 | close(fd); |
2f03f956 AT |
1121 | } |
1122 | ||
1123 | ||
ef20efcb | 1124 | void generate_files(int f_out, struct file_list *flist, char *local_name) |
2f03f956 | 1125 | { |
ee1d11c4 | 1126 | int i, lull_mod; |
968c8030 | 1127 | char fbuf[MAXPATHLEN]; |
7433d73a WD |
1128 | int itemizing, maybe_PERMS_REPORT; |
1129 | enum logcode code; | |
3ea9bbd6 WD |
1130 | int need_retouch_dir_times = preserve_times && !omit_dir_times; |
1131 | int need_retouch_dir_perms = 0; | |
0492fdfb WD |
1132 | int save_only_existing = only_existing; |
1133 | int save_opt_ignore_existing = opt_ignore_existing; | |
083acd49 | 1134 | int save_do_progress = do_progress; |
cd908ef4 | 1135 | int save_make_backups = make_backups; |
ee1d11c4 WD |
1136 | |
1137 | allowed_lull = read_batch ? 0 : (io_timeout + 1) / 2; | |
1138 | lull_mod = allowed_lull * 5; | |
7433d73a WD |
1139 | |
1140 | if (protocol_version >= 29) { | |
1141 | itemizing = 1; | |
1142 | maybe_PERMS_REPORT = log_format_has_i ? 0 : PERMS_REPORT; | |
1143 | code = daemon_log_format_has_i ? 0 : FLOG; | |
1144 | } else if (am_daemon) { | |
1145 | itemizing = daemon_log_format_has_i && !dry_run; | |
1146 | maybe_PERMS_REPORT = PERMS_REPORT; | |
1147 | code = itemizing || dry_run ? FCLIENT : FINFO; | |
1148 | } else if (!am_server) { | |
1149 | itemizing = log_format_has_i; | |
1150 | maybe_PERMS_REPORT = log_format_has_i ? 0 : PERMS_REPORT; | |
1151 | code = itemizing ? 0 : FINFO; | |
1152 | } else { | |
1153 | itemizing = 0; | |
1154 | maybe_PERMS_REPORT = PERMS_REPORT; | |
1155 | code = FINFO; | |
1156 | } | |
2f03f956 | 1157 | |
45e08edb WD |
1158 | if (verbose > 2) { |
1159 | rprintf(FINFO, "generator starting pid=%ld count=%d\n", | |
1160 | (long)getpid(), flist->count); | |
1161 | } | |
2f03f956 | 1162 | |
59faec8b | 1163 | if (delete_before && !local_name && flist->count > 0) |
ee1d11c4 | 1164 | do_delete_pass(flist); |
083acd49 | 1165 | do_progress = 0; |
59faec8b | 1166 | |
33ab4ad8 WD |
1167 | if (whole_file < 0) |
1168 | whole_file = 0; | |
3e7053ac | 1169 | if (verbose >= 2) { |
1b1fef20 | 1170 | rprintf(FINFO, "delta-transmission %s\n", |
33ab4ad8 | 1171 | whole_file |
1b1fef20 WD |
1172 | ? "disabled for local transfer or --whole-file" |
1173 | : "enabled"); | |
3e7053ac | 1174 | } |
2cda2560 | 1175 | |
9ac2395b | 1176 | if (protocol_version < 29) |
7433d73a | 1177 | ignore_timeout = 1; |
a57873b7 | 1178 | |
2f03f956 AT |
1179 | for (i = 0; i < flist->count; i++) { |
1180 | struct file_struct *file = flist->files[i]; | |
2f03f956 | 1181 | |
dfd5ba6a WD |
1182 | if (!file->basename) |
1183 | continue; | |
0492fdfb | 1184 | |
1f7e29b9 WD |
1185 | recv_generator(local_name ? local_name : f_name_to(file, fbuf), |
1186 | file, i, itemizing, maybe_PERMS_REPORT, code, | |
ef20efcb | 1187 | f_out); |
1f7e29b9 | 1188 | |
0492fdfb WD |
1189 | /* We need to ensure that any dirs we create have writeable |
1190 | * permissions during the time we are putting files within | |
1191 | * them. This is then fixed after the transfer is done. */ | |
41b84ce0 WD |
1192 | if (!am_root && S_ISDIR(file->mode) && !(file->mode & S_IWUSR) |
1193 | && !list_only) { | |
1f7e29b9 WD |
1194 | int mode = file->mode | S_IWUSR; /* user write */ |
1195 | char *fname = local_name ? local_name : fbuf; | |
1196 | if (do_chmod(fname, mode & CHMOD_BITS) < 0) { | |
1197 | rsyserr(FERROR, errno, | |
1198 | "failed to modify permissions on %s", | |
1199 | full_fname(fname)); | |
1200 | } | |
3ea9bbd6 | 1201 | need_retouch_dir_perms = 1; |
2f03f956 AT |
1202 | } |
1203 | ||
ee1d11c4 WD |
1204 | if (preserve_hard_links) |
1205 | check_for_finished_hlinks(itemizing, code); | |
9ac2395b | 1206 | |
18a11cfd | 1207 | if (allowed_lull && !(i % lull_mod)) |
ee1d11c4 | 1208 | maybe_send_keepalive(); |
c2523a05 | 1209 | else if (!(i % 200)) |
417099fa | 1210 | maybe_flush_socket(); |
2f03f956 | 1211 | } |
ef20efcb | 1212 | recv_generator(NULL, NULL, 0, 0, 0, code, -1); |
c93fad5e | 1213 | if (delete_during) |
ee1d11c4 | 1214 | delete_in_dir(NULL, NULL, NULL); |
2f03f956 AT |
1215 | |
1216 | phase++; | |
1217 | csum_length = SUM_LENGTH; | |
0492fdfb WD |
1218 | only_existing = max_size = opt_ignore_existing = 0; |
1219 | update_only = always_checksum = size_only = 0; | |
e1f67417 | 1220 | ignore_times = 1; |
e6bc6f42 | 1221 | make_backups = 0; /* avoid a duplicate backup for inplace processing */ |
2f03f956 | 1222 | |
9ac2395b WD |
1223 | /* We expect to just sit around now, so don't exit on a timeout. |
1224 | * If we really get a timeout then the other process should exit. */ | |
1225 | ignore_timeout = 1; | |
1226 | ||
2f03f956 AT |
1227 | if (verbose > 2) |
1228 | rprintf(FINFO,"generate_files phase=%d\n",phase); | |
1229 | ||
7daccb8e | 1230 | write_int(f_out, -1); |
2f03f956 | 1231 | |
bc63ae3f S |
1232 | /* files can cycle through the system more than once |
1233 | * to catch initial checksum errors */ | |
ee1d11c4 | 1234 | while ((i = get_redo_num(itemizing, code)) != -1) { |
bc63ae3f | 1235 | struct file_struct *file = flist->files[i]; |
3fef5364 | 1236 | recv_generator(local_name ? local_name : f_name_to(file, fbuf), |
ee1d11c4 | 1237 | file, i, itemizing, maybe_PERMS_REPORT, code, |
ef20efcb | 1238 | f_out); |
bc63ae3f | 1239 | } |
2f03f956 | 1240 | |
bc63ae3f | 1241 | phase++; |
0492fdfb WD |
1242 | only_existing = save_only_existing; |
1243 | opt_ignore_existing = save_opt_ignore_existing; | |
cd908ef4 | 1244 | make_backups = save_make_backups; |
0492fdfb | 1245 | |
bc63ae3f S |
1246 | if (verbose > 2) |
1247 | rprintf(FINFO,"generate_files phase=%d\n",phase); | |
2f03f956 | 1248 | |
7daccb8e | 1249 | write_int(f_out, -1); |
70352269 WD |
1250 | /* Reduce round-trip lag-time for a useless delay-updates phase. */ |
1251 | if (protocol_version >= 29 && !delay_updates) | |
1252 | write_int(f_out, -1); | |
6dff5992 | 1253 | |
0438f100 | 1254 | /* Read MSG_DONE for the redo phase (and any prior messages). */ |
ee1d11c4 | 1255 | get_redo_num(itemizing, code); |
6dff5992 | 1256 | |
0438f100 WD |
1257 | if (protocol_version >= 29) { |
1258 | phase++; | |
1259 | if (verbose > 2) | |
1260 | rprintf(FINFO, "generate_files phase=%d\n", phase); | |
70352269 WD |
1261 | if (delay_updates) |
1262 | write_int(f_out, -1); | |
1263 | /* Read MSG_DONE for delay-updates phase & prior messages. */ | |
0438f100 WD |
1264 | get_redo_num(itemizing, code); |
1265 | } | |
1266 | ||
083acd49 | 1267 | do_progress = save_do_progress; |
59faec8b | 1268 | if (delete_after && !local_name && flist->count > 0) |
ee1d11c4 | 1269 | do_delete_pass(flist); |
59faec8b | 1270 | |
0492fdfb WD |
1271 | if ((need_retouch_dir_perms || need_retouch_dir_times) |
1272 | && !list_only && !local_name && !dry_run) { | |
18a11cfd | 1273 | int j = 0; |
3ea9bbd6 WD |
1274 | /* Now we need to fix any directory permissions that were |
1275 | * modified during the transfer and/or re-set any tweaked | |
1276 | * modified-time values. */ | |
1277 | for (i = 0; i < flist->count; i++) { | |
1278 | struct file_struct *file = flist->files[i]; | |
1279 | if (!file->basename || !S_ISDIR(file->mode)) | |
1280 | continue; | |
1281 | if (!need_retouch_dir_times && file->mode & S_IWUSR) | |
1282 | continue; | |
62f9573f WD |
1283 | recv_generator(f_name(file), file, i, itemizing, |
1284 | maybe_PERMS_REPORT, code, -1); | |
417099fa | 1285 | if (allowed_lull && !(++j % lull_mod)) |
ee1d11c4 | 1286 | maybe_send_keepalive(); |
c2523a05 | 1287 | else if (!(j % 200)) |
417099fa | 1288 | maybe_flush_socket(); |
3ea9bbd6 | 1289 | } |
6dff5992 | 1290 | } |
ef20efcb | 1291 | recv_generator(NULL, NULL, 0, 0, 0, code, -1); |
6dff5992 | 1292 | |
f75a53e7 WD |
1293 | if (max_delete > 0 && deletion_count > max_delete) { |
1294 | rprintf(FINFO, | |
1295 | "Deletions stopped due to --max-delete limit (%d skipped)\n", | |
1296 | deletion_count - max_delete); | |
1297 | io_error |= IOERR_DEL_LIMIT; | |
1298 | } | |
1299 | ||
6dff5992 WD |
1300 | if (verbose > 2) |
1301 | rprintf(FINFO,"generate_files finished\n"); | |
2f03f956 | 1302 | } |