Commit | Line | Data |
---|---|---|
0f78b815 WD |
1 | /* |
2 | * Routines that are exclusive to the generator process. | |
3 | * | |
4 | * Copyright (C) 1996-2000 Andrew Tridgell | |
5 | * Copyright (C) 1996 Paul Mackerras | |
6 | * Copyright (C) 2002 Martin Pool <mbp@samba.org> | |
7 | * Copyright (C) 2003, 2004, 2005, 2006 Wayne Davison | |
8 | * | |
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. | |
13 | * | |
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. | |
18 | * | |
e7c67065 WD |
19 | * You should have received a copy of the GNU General Public License along |
20 | * with this program; if not, write to the Free Software Foundation, Inc., | |
21 | * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. | |
0f78b815 | 22 | */ |
2f03f956 AT |
23 | |
24 | #include "rsync.h" | |
25 | ||
26 | extern int verbose; | |
27 | extern int dry_run; | |
beb51aa0 | 28 | extern int do_xfers; |
17bda2d1 | 29 | extern int stdout_format_has_i; |
ecc7623e | 30 | extern int logfile_format_has_i; |
6c3862fa WD |
31 | extern int am_root; |
32 | extern int am_server; | |
33 | extern int am_daemon; | |
083acd49 | 34 | extern int do_progress; |
2f03f956 | 35 | extern int relative_paths; |
ccb16b46 | 36 | extern int implied_dirs; |
716e73d4 | 37 | extern int keep_dirlinks; |
2f03f956 | 38 | extern int preserve_links; |
2f03f956 | 39 | extern int preserve_devices; |
b5c6a6ae | 40 | extern int preserve_specials; |
2f03f956 | 41 | extern int preserve_hard_links; |
6744b62d WD |
42 | extern int preserve_perms; |
43 | extern int preserve_uid; | |
44 | extern int preserve_gid; | |
3ea9bbd6 WD |
45 | extern int preserve_times; |
46 | extern int omit_dir_times; | |
e35d9f2d | 47 | extern int delete_mode; |
59faec8b | 48 | extern int delete_before; |
fa13f396 | 49 | extern int delete_during; |
59faec8b WD |
50 | extern int delete_after; |
51 | extern int module_id; | |
52 | extern int ignore_errors; | |
47c11975 | 53 | extern int remove_source_files; |
70352269 | 54 | extern int delay_updates; |
2f03f956 | 55 | extern int update_only; |
e90aab49 WD |
56 | extern int ignore_existing; |
57 | extern int ignore_non_existing; | |
cd6aa5b5 | 58 | extern int inplace; |
6cc11982 | 59 | extern int append_mode; |
cd6aa5b5 | 60 | extern int make_backups; |
2f03f956 AT |
61 | extern int csum_length; |
62 | extern int ignore_times; | |
f83f0548 | 63 | extern int size_only; |
7d1bfaf7 | 64 | extern OFF_T max_size; |
02b5cb23 | 65 | extern OFF_T min_size; |
59faec8b | 66 | extern int io_error; |
ac40b747 | 67 | extern int allowed_lull; |
ee1d11c4 | 68 | extern int sock_f_out; |
9ac2395b | 69 | extern int ignore_timeout; |
d04e9c51 | 70 | extern int protocol_version; |
8e85be0a | 71 | extern int fuzzy_basis; |
2f03f956 | 72 | extern int always_checksum; |
cfe39780 | 73 | extern int checksum_len; |
a7260c40 | 74 | extern char *partial_dir; |
b7e8628c | 75 | extern char *basis_dir[]; |
2be2fb3e | 76 | extern int compare_dest; |
967866d4 | 77 | extern int copy_dest; |
59c95e42 | 78 | extern int link_dest; |
5774786f | 79 | extern int whole_file; |
5774786f | 80 | extern int list_only; |
1ef5bf3c | 81 | extern int new_root_dir; |
b9f592fb | 82 | extern int read_batch; |
5774786f | 83 | extern int safe_symlinks; |
a255c592 | 84 | extern long block_size; /* "long" because popt can't set an int32. */ |
59faec8b WD |
85 | extern int max_delete; |
86 | extern int force_delete; | |
0e82af2d | 87 | extern int one_file_system; |
6c3862fa | 88 | extern struct stats stats; |
0e82af2d | 89 | extern dev_t filesystem_dev; |
59faec8b WD |
90 | extern char *backup_dir; |
91 | extern char *backup_suffix; | |
92 | extern int backup_suffix_len; | |
ee1d11c4 | 93 | extern struct file_list *the_file_list; |
7842418b | 94 | extern struct filter_list_struct server_filter_list; |
97f9dcae | 95 | |
146c2c36 WD |
96 | int ignore_perishable = 0; |
97 | int non_perishable_cnt = 0; | |
98 | ||
59faec8b | 99 | static int deletion_count = 0; /* used to implement --max-delete */ |
5e77efaf | 100 | static FILE *delete_delay_fp = NULL; |
59faec8b | 101 | |
88897638 | 102 | /* For calling delete_item() and delete_dir_contents(). */ |
c6fadc0e | 103 | #define DEL_RECURSE (1<<1) /* recurse */ |
88897638 | 104 | #define DEL_DIR_IS_EMPTY (1<<2) /* internal delete_FUNCTIONS use only */ |
d71dad3b | 105 | |
116a4769 WD |
106 | enum nonregtype { |
107 | TYPE_DIR, TYPE_SPECIAL, TYPE_DEVICE, TYPE_SYMLINK | |
108 | }; | |
59faec8b | 109 | |
c6fadc0e | 110 | enum delret { |
146c2c36 | 111 | DR_SUCCESS = 0, DR_FAILURE, DR_AT_LIMIT, DR_NOT_EMPTY |
c6fadc0e WD |
112 | }; |
113 | ||
114 | /* Forward declaration for delete_item(). */ | |
115 | static enum delret delete_dir_contents(char *fname, int flags); | |
116 | ||
117 | ||
59faec8b WD |
118 | static int is_backup_file(char *fn) |
119 | { | |
120 | int k = strlen(fn) - backup_suffix_len; | |
121 | return k > 0 && strcmp(fn+k, backup_suffix) == 0; | |
122 | } | |
123 | ||
c6fadc0e WD |
124 | /* Delete a file or directory. If DEL_RECURSE is set in the flags, this will |
125 | * delete recursively. | |
0e5665d3 | 126 | * |
5e77efaf | 127 | * Note that fbuf must point to a MAXPATHLEN buffer if the mode indicates it's |
0e5665d3 WD |
128 | * a directory! (The buffer is used for recursion, but returned unchanged.) |
129 | */ | |
5e77efaf | 130 | static enum delret delete_item(char *fbuf, int mode, char *replace, int flags) |
59faec8b | 131 | { |
c6fadc0e WD |
132 | enum delret ret; |
133 | char *what; | |
134 | int ok; | |
59faec8b | 135 | |
c6fadc0e WD |
136 | if (verbose > 2) { |
137 | rprintf(FINFO, "delete_item(%s) mode=%o flags=%d\n", | |
5e77efaf | 138 | fbuf, mode, flags); |
59faec8b WD |
139 | } |
140 | ||
146c2c36 WD |
141 | if (S_ISDIR(mode) && !(flags & DEL_DIR_IS_EMPTY)) { |
142 | ignore_perishable = 1; | |
143 | /* If DEL_RECURSE is not set, this just reports emptiness. */ | |
5e77efaf | 144 | ret = delete_dir_contents(fbuf, flags); |
146c2c36 WD |
145 | ignore_perishable = 0; |
146 | if (ret == DR_NOT_EMPTY || ret == DR_AT_LIMIT) | |
c6fadc0e WD |
147 | goto check_ret; |
148 | /* OK: try to delete the directory. */ | |
149 | } | |
150 | ||
151 | if (!replace && max_delete >= 0 && ++deletion_count > max_delete) | |
152 | return DR_AT_LIMIT; | |
153 | ||
154 | if (S_ISDIR(mode)) { | |
155 | what = "rmdir"; | |
5e77efaf WD |
156 | ok = do_rmdir(fbuf) == 0; |
157 | } else if (make_backups && (backup_dir || !is_backup_file(fbuf))) { | |
c6fadc0e | 158 | what = "make_backup"; |
5e77efaf | 159 | ok = make_backup(fbuf); |
c6fadc0e WD |
160 | } else { |
161 | what = "unlink"; | |
5e77efaf | 162 | ok = robust_unlink(fbuf) == 0; |
c6fadc0e WD |
163 | } |
164 | ||
59faec8b | 165 | if (ok) { |
c6fadc0e | 166 | if (!replace) |
5e77efaf | 167 | log_delete(fbuf, mode); |
c6fadc0e WD |
168 | ret = DR_SUCCESS; |
169 | } else { | |
170 | if (S_ISDIR(mode) && errno == ENOTEMPTY) { | |
146c2c36 | 171 | rprintf(FINFO, "cannot delete non-empty directory: %s\n", |
5e77efaf | 172 | fbuf); |
c6fadc0e WD |
173 | ret = DR_NOT_EMPTY; |
174 | } else if (errno != ENOENT) { | |
175 | rsyserr(FERROR, errno, "delete_file: %s(%s) failed", | |
5e77efaf | 176 | what, fbuf); |
c6fadc0e WD |
177 | ret = DR_FAILURE; |
178 | } else { | |
179 | deletion_count--; | |
180 | ret = DR_SUCCESS; | |
181 | } | |
f75a53e7 | 182 | } |
c6fadc0e WD |
183 | |
184 | check_ret: | |
185 | if (replace && ret != DR_SUCCESS) { | |
186 | rprintf(FERROR, "could not make way for new %s: %s\n", | |
5e77efaf | 187 | replace, fbuf); |
59faec8b | 188 | } |
c6fadc0e WD |
189 | return ret; |
190 | } | |
191 | ||
146c2c36 WD |
192 | /* The directory is about to be deleted: if DEL_RECURSE is given, delete all |
193 | * its contents, otherwise just checks for content. Returns DR_SUCCESS or | |
194 | * DR_NOT_EMPTY. Note that fname must point to a MAXPATHLEN buffer! (The | |
195 | * buffer is used for recursion, but returned unchanged.) | |
c6fadc0e WD |
196 | */ |
197 | static enum delret delete_dir_contents(char *fname, int flags) | |
198 | { | |
199 | struct file_list *dirlist; | |
146c2c36 | 200 | enum delret ret; |
c6fadc0e WD |
201 | unsigned remainder; |
202 | void *save_filters; | |
203 | int j, dlen; | |
204 | char *p; | |
59faec8b | 205 | |
f5761a34 WD |
206 | if (verbose > 3) { |
207 | rprintf(FINFO, "delete_dir_contents(%s) flags=%d\n", | |
208 | fname, flags); | |
209 | } | |
210 | ||
0e5665d3 WD |
211 | dlen = strlen(fname); |
212 | save_filters = push_local_filters(fname, dlen); | |
213 | ||
146c2c36 | 214 | non_perishable_cnt = 0; |
0e5665d3 | 215 | dirlist = get_dirlist(fname, dlen, 0); |
146c2c36 WD |
216 | ret = non_perishable_cnt ? DR_NOT_EMPTY : DR_SUCCESS; |
217 | ||
218 | if (!dirlist->count) | |
219 | goto done; | |
220 | ||
221 | if (!(flags & DEL_RECURSE)) { | |
222 | ret = DR_NOT_EMPTY; | |
223 | goto done; | |
224 | } | |
0e5665d3 WD |
225 | |
226 | p = fname + dlen; | |
227 | if (dlen != 1 || *fname != '/') | |
228 | *p++ = '/'; | |
229 | remainder = MAXPATHLEN - (p - fname); | |
59faec8b | 230 | |
f5761a34 | 231 | /* We do our own recursion, so make delete_item() non-recursive. */ |
146c2c36 | 232 | flags = (flags & ~DEL_RECURSE) | DEL_DIR_IS_EMPTY; |
c6fadc0e | 233 | |
59faec8b WD |
234 | for (j = dirlist->count; j--; ) { |
235 | struct file_struct *fp = dirlist->files[j]; | |
236 | ||
c6fadc0e WD |
237 | if (fp->flags & FLAG_MOUNT_POINT) { |
238 | if (verbose > 1) { | |
239 | rprintf(FINFO, | |
240 | "mount point, %s, pins parent directory\n", | |
241 | f_name(fp, NULL)); | |
242 | } | |
146c2c36 | 243 | ret = DR_NOT_EMPTY; |
59faec8b | 244 | continue; |
c6fadc0e | 245 | } |
59faec8b | 246 | |
0e5665d3 | 247 | strlcpy(p, fp->basename, remainder); |
146c2c36 WD |
248 | /* Save stack by recursing to ourself directly. */ |
249 | if (S_ISDIR(fp->mode) | |
250 | && delete_dir_contents(fname, flags | DEL_RECURSE) != DR_SUCCESS) | |
251 | ret = DR_NOT_EMPTY; | |
252 | if (delete_item(fname, fp->mode, NULL, flags) != DR_SUCCESS) | |
f5761a34 | 253 | ret = DR_NOT_EMPTY; |
59faec8b | 254 | } |
59faec8b | 255 | |
0e5665d3 WD |
256 | fname[dlen] = '\0'; |
257 | ||
146c2c36 | 258 | done: |
c6fadc0e | 259 | flist_free(dirlist); |
146c2c36 | 260 | pop_local_filters(save_filters); |
59faec8b | 261 | |
146c2c36 WD |
262 | if (ret == DR_NOT_EMPTY) { |
263 | rprintf(FINFO, "cannot delete non-empty directory: %s\n", | |
264 | fname); | |
265 | } | |
c6fadc0e | 266 | return ret; |
59faec8b WD |
267 | } |
268 | ||
5e77efaf WD |
269 | static void start_delete_temp(void) |
270 | { | |
271 | char fnametmp[MAXPATHLEN]; | |
272 | int fd, save_dry_run = dry_run; | |
273 | ||
274 | dry_run = 0; | |
275 | if (!get_tmpname(fnametmp, "deldelay") | |
276 | || (fd = do_mkstemp(fnametmp, 0600)) < 0 | |
277 | || !(delete_delay_fp = fdopen(fd, "w+"))) { | |
278 | rprintf(FERROR, "Unable to create delete-delay temp file.\n"); | |
279 | exit_cleanup(RERR_FILEIO); | |
280 | } | |
281 | dry_run = save_dry_run; | |
282 | unlink(fnametmp); | |
283 | } | |
284 | ||
285 | static int read_delay_line(FILE *fp, char *buf, int bsize) | |
286 | { | |
287 | int ch, mode = 0; | |
288 | ||
289 | if ((ch = fgetc(fp)) == EOF) | |
290 | return -1; | |
291 | ||
292 | while (1) { | |
293 | if (ch == ' ') | |
294 | break; | |
295 | if (ch > '7' || ch < '0') { | |
296 | rprintf(FERROR, "invalid data in delete-delay file.\n"); | |
297 | exit_cleanup(RERR_FILEIO); | |
298 | } | |
299 | mode = mode*8 + ch - '0'; | |
300 | if ((ch = fgetc(fp)) == EOF) { | |
301 | unexpected_eof: | |
302 | rprintf(FERROR, "unexpected EOF in delete-delay file.\n"); | |
303 | exit_cleanup(RERR_FILEIO); | |
304 | } | |
305 | } | |
306 | ||
307 | while (1) { | |
308 | if ((ch = fgetc(fp)) == EOF) | |
309 | goto unexpected_eof; | |
310 | if (bsize-- <= 0) { | |
311 | rprintf(FERROR, "filename too long in delete-delay file.\n"); | |
312 | exit_cleanup(RERR_FILEIO); | |
313 | } | |
314 | *buf++ = (char)ch; | |
315 | if (ch == '\0') | |
316 | break; | |
317 | } | |
318 | ||
319 | return mode; | |
320 | } | |
321 | ||
322 | static void delayed_deletions(char *delbuf) | |
323 | { | |
324 | int mode; | |
325 | ||
326 | fseek(delete_delay_fp, 0, 0); | |
327 | while ((mode = read_delay_line(delete_delay_fp, delbuf, MAXPATHLEN)) >= 0) | |
328 | delete_item(delbuf, mode, NULL, DEL_RECURSE); | |
329 | fclose(delete_delay_fp); | |
330 | } | |
59faec8b WD |
331 | |
332 | /* This function is used to implement per-directory deletion, and is used by | |
333 | * all the --delete-WHEN options. Note that the fbuf pointer must point to a | |
334 | * MAXPATHLEN buffer with the name of the directory in it (the functions we | |
335 | * call will append names onto the end, but the old dir value will be restored | |
336 | * on exit). */ | |
337 | static void delete_in_dir(struct file_list *flist, char *fbuf, | |
0e82af2d | 338 | struct file_struct *file, STRUCT_STAT *stp) |
59faec8b WD |
339 | { |
340 | static int min_depth = MAXPATHLEN, cur_depth = -1; | |
341 | static void *filt_array[MAXPATHLEN/2+1]; | |
717b0430 | 342 | static int already_warned = 0; |
59faec8b WD |
343 | struct file_list *dirlist; |
344 | char delbuf[MAXPATHLEN]; | |
468d7668 | 345 | int dlen, i; |
59faec8b WD |
346 | |
347 | if (!flist) { | |
348 | while (cur_depth >= min_depth) | |
349 | pop_local_filters(filt_array[cur_depth--]); | |
350 | min_depth = MAXPATHLEN; | |
351 | cur_depth = -1; | |
352 | return; | |
353 | } | |
354 | ||
355 | if (verbose > 2) | |
45c49b52 | 356 | rprintf(FINFO, "delete_in_dir(%s)\n", fbuf); |
59faec8b WD |
357 | |
358 | if (allowed_lull) | |
ee1d11c4 | 359 | maybe_send_keepalive(); |
59faec8b WD |
360 | |
361 | if (file->dir.depth >= MAXPATHLEN/2+1) | |
362 | return; /* Impossible... */ | |
363 | ||
59faec8b | 364 | if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) { |
717b0430 | 365 | if (already_warned) |
f75a53e7 | 366 | return; |
59faec8b WD |
367 | rprintf(FINFO, |
368 | "IO error encountered -- skipping file deletion\n"); | |
717b0430 | 369 | already_warned = 1; |
59faec8b WD |
370 | return; |
371 | } | |
372 | ||
373 | while (cur_depth >= file->dir.depth && cur_depth >= min_depth) | |
374 | pop_local_filters(filt_array[cur_depth--]); | |
375 | cur_depth = file->dir.depth; | |
376 | if (min_depth > cur_depth) | |
377 | min_depth = cur_depth; | |
378 | dlen = strlen(fbuf); | |
379 | filt_array[cur_depth] = push_local_filters(fbuf, dlen); | |
380 | ||
0e82af2d WD |
381 | if (one_file_system) { |
382 | if (file->flags & FLAG_TOP_DIR) | |
383 | filesystem_dev = stp->st_dev; | |
384 | else if (filesystem_dev != stp->st_dev) | |
385 | return; | |
386 | } | |
59faec8b | 387 | |
59faec8b WD |
388 | dirlist = get_dirlist(fbuf, dlen, 0); |
389 | ||
390 | /* If an item in dirlist is not found in flist, delete it | |
391 | * from the filesystem. */ | |
392 | for (i = dirlist->count; i--; ) { | |
f3ab64d3 | 393 | struct file_struct *fp = dirlist->files[i]; |
c6fadc0e WD |
394 | if (!fp->basename) |
395 | continue; | |
396 | if (fp->flags & FLAG_MOUNT_POINT) { | |
397 | if (verbose > 1) | |
146c2c36 | 398 | rprintf(FINFO, "cannot delete mount point: %s\n", |
c6fadc0e | 399 | f_name(fp, NULL)); |
bb0d8edf | 400 | continue; |
c6fadc0e | 401 | } |
468d7668 | 402 | if (flist_find(flist, fp) < 0) { |
6cbde57d | 403 | f_name(fp, delbuf); |
5e77efaf | 404 | if (delete_delay_fp) |
e1788382 | 405 | fprintf(delete_delay_fp, "%o %s%c", (short)fp->mode, delbuf, '\0'); |
5e77efaf WD |
406 | else |
407 | delete_item(delbuf, fp->mode, NULL, DEL_RECURSE); | |
468d7668 | 408 | } |
59faec8b WD |
409 | } |
410 | ||
411 | flist_free(dirlist); | |
412 | } | |
413 | ||
414 | /* This deletes any files on the receiving side that are not present on the | |
415 | * sending side. This is used by --delete-before and --delete-after. */ | |
ee1d11c4 | 416 | static void do_delete_pass(struct file_list *flist) |
59faec8b WD |
417 | { |
418 | char fbuf[MAXPATHLEN]; | |
bb0d8edf | 419 | STRUCT_STAT st; |
59faec8b WD |
420 | int j; |
421 | ||
caff3322 WD |
422 | /* dry_run is incremented when the destination doesn't exist yet. */ |
423 | if (dry_run > 1 || list_only) | |
f75a53e7 WD |
424 | return; |
425 | ||
59faec8b WD |
426 | for (j = 0; j < flist->count; j++) { |
427 | struct file_struct *file = flist->files[j]; | |
428 | ||
429 | if (!(file->flags & FLAG_DEL_HERE)) | |
430 | continue; | |
431 | ||
6cbde57d | 432 | f_name(file, fbuf); |
59faec8b | 433 | if (verbose > 1 && file->flags & FLAG_TOP_DIR) |
45c49b52 | 434 | rprintf(FINFO, "deleting in %s\n", fbuf); |
59faec8b | 435 | |
bb0d8edf WD |
436 | if (link_stat(fbuf, &st, keep_dirlinks) < 0 |
437 | || !S_ISDIR(st.st_mode)) | |
438 | continue; | |
439 | ||
0e82af2d | 440 | delete_in_dir(flist, fbuf, file, &st); |
59faec8b | 441 | } |
0e82af2d | 442 | delete_in_dir(NULL, NULL, NULL, NULL); |
0e5665d3 | 443 | |
a06e2b7c WD |
444 | if (do_progress && !am_server) |
445 | rprintf(FINFO, " \r"); | |
59faec8b WD |
446 | } |
447 | ||
48224e4c | 448 | int unchanged_attrs(struct file_struct *file, STRUCT_STAT *st) |
2f03f956 | 449 | { |
b7e8628c WD |
450 | if (preserve_perms |
451 | && (st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS)) | |
84acca07 | 452 | return 0; |
bb24028f | 453 | |
7b6fa00f | 454 | if (am_root && preserve_uid && st->st_uid != file->uid) |
b7e8628c | 455 | return 0; |
bb24028f | 456 | |
7b6fa00f | 457 | if (preserve_gid && file->gid != GID_NONE && st->st_gid != file->gid) |
b7e8628c WD |
458 | return 0; |
459 | ||
460 | return 1; | |
461 | } | |
462 | ||
ee1d11c4 | 463 | void itemize(struct file_struct *file, int ndx, int statret, STRUCT_STAT *st, |
4a19c3b2 | 464 | int32 iflags, uchar fnamecmp_type, const char *xname) |
06a1dbad | 465 | { |
48224e4c WD |
466 | if (statret >= 0) { /* A from-dest-dir statret can == 1! */ |
467 | int keep_time = !preserve_times ? 0 | |
468 | : S_ISDIR(file->mode) ? !omit_dir_times | |
469 | : !S_ISLNK(file->mode); | |
470 | ||
c557eb8c WD |
471 | if (S_ISREG(file->mode) && file->length != st->st_size) |
472 | iflags |= ITEM_REPORT_SIZE; | |
48224e4c | 473 | if ((iflags & (ITEM_TRANSFER|ITEM_LOCAL_CHANGE) && !keep_time |
116a4769 WD |
474 | && !(iflags & ITEM_MATCHED) |
475 | && (!(iflags & ITEM_XNAME_FOLLOWS) || *xname)) | |
476 | || (keep_time && cmp_time(file->modtime, st->st_mtime) != 0)) | |
48224e4c | 477 | iflags |= ITEM_REPORT_TIME; |
b9887818 | 478 | if ((file->mode & CHMOD_BITS) != (st->st_mode & CHMOD_BITS)) |
48224e4c | 479 | iflags |= ITEM_REPORT_PERMS; |
7b6fa00f | 480 | if (preserve_uid && am_root && file->uid != st->st_uid) |
48224e4c | 481 | iflags |= ITEM_REPORT_OWNER; |
7b6fa00f WD |
482 | if (preserve_gid && file->gid != GID_NONE |
483 | && st->st_gid != file->gid) | |
48224e4c | 484 | iflags |= ITEM_REPORT_GROUP; |
ef20efcb | 485 | } else |
ee1d11c4 | 486 | iflags |= ITEM_IS_NEW; |
c557eb8c | 487 | |
a1d23b53 | 488 | iflags &= 0xffff; |
ee1d11c4 | 489 | if ((iflags & SIGNIFICANT_ITEM_FLAGS || verbose > 1 |
17bda2d1 | 490 | || stdout_format_has_i > 1 || (xname && *xname)) && !read_batch) { |
6c3862fa WD |
491 | if (protocol_version >= 29) { |
492 | if (ndx >= 0) | |
ee1d11c4 WD |
493 | write_int(sock_f_out, ndx); |
494 | write_shortint(sock_f_out, iflags); | |
ef20efcb WD |
495 | if (iflags & ITEM_BASIS_TYPE_FOLLOWS) |
496 | write_byte(sock_f_out, fnamecmp_type); | |
497 | if (iflags & ITEM_XNAME_FOLLOWS) | |
498 | write_vstring(sock_f_out, xname, strlen(xname)); | |
1925c344 WD |
499 | } else if (ndx >= 0) { |
500 | enum logcode code = logfile_format_has_i ? FINFO : FCLIENT; | |
501 | log_item(code, file, &stats, iflags, xname); | |
502 | } | |
06a1dbad WD |
503 | } |
504 | } | |
505 | ||
506 | ||
b7e8628c | 507 | /* Perform our quick-check heuristic for determining if a file is unchanged. */ |
48224e4c | 508 | int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st) |
b7e8628c WD |
509 | { |
510 | if (st->st_size != file->length) | |
511 | return 0; | |
59c95e42 | 512 | |
2cda2560 | 513 | /* if always checksum is set then we use the checksum instead |
2f03f956 AT |
514 | of the file time to determine whether to sync */ |
515 | if (always_checksum && S_ISREG(st->st_mode)) { | |
516 | char sum[MD4_SUM_LENGTH]; | |
b7e8628c | 517 | file_checksum(fn, sum, st->st_size); |
cfe39780 | 518 | return memcmp(sum, file->u.sum, checksum_len) == 0; |
2f03f956 AT |
519 | } |
520 | ||
cc1e997d | 521 | if (size_only) |
84acca07 | 522 | return 1; |
2f03f956 | 523 | |
cc1e997d | 524 | if (ignore_times) |
84acca07 | 525 | return 0; |
cc1e997d | 526 | |
0f86c74e | 527 | return cmp_time(st->st_mtime, file->modtime) == 0; |
2f03f956 AT |
528 | } |
529 | ||
530 | ||
ec8290c8 | 531 | /* |
195bd906 | 532 | * set (initialize) the size entries in the per-file sum_struct |
ec8290c8 | 533 | * calculating dynamic block and checksum sizes. |
195bd906 | 534 | * |
ec8290c8 | 535 | * This is only called from generate_and_send_sums() but is a separate |
195bd906 S |
536 | * function to encapsulate the logic. |
537 | * | |
538 | * The block size is a rounded square root of file length. | |
539 | * | |
540 | * The checksum size is determined according to: | |
ed7e7955 | 541 | * blocksum_bits = BLOCKSUM_BIAS + 2*log2(file_len) - log2(block_len) |
195bd906 S |
542 | * provided by Donovan Baarda which gives a probability of rsync |
543 | * algorithm corrupting data and falling back using the whole md4 | |
544 | * checksums. | |
545 | * | |
546 | * This might be made one of several selectable heuristics. | |
547 | */ | |
1490812a | 548 | static void sum_sizes_sqroot(struct sum_struct *sum, int64 len) |
195bd906 | 549 | { |
a255c592 | 550 | int32 blength; |
da9d12f5 | 551 | int s2length; |
195bd906 | 552 | |
a255c592 | 553 | if (block_size) |
195bd906 | 554 | blength = block_size; |
a255c592 | 555 | else if (len <= BLOCK_SIZE * BLOCK_SIZE) |
195bd906 | 556 | blength = BLOCK_SIZE; |
a255c592 WD |
557 | else { |
558 | int32 c; | |
1490812a | 559 | int64 l; |
eae7165c WD |
560 | int cnt; |
561 | for (c = 1, l = len, cnt = 0; l >>= 2; c <<= 1, cnt++) {} | |
562 | if (cnt >= 31 || c >= MAX_BLOCK_SIZE) | |
563 | blength = MAX_BLOCK_SIZE; | |
564 | else { | |
565 | blength = 0; | |
566 | do { | |
567 | blength |= c; | |
1490812a | 568 | if (len < (int64)blength * blength) |
eae7165c WD |
569 | blength &= ~c; |
570 | c >>= 1; | |
571 | } while (c >= 8); /* round to multiple of 8 */ | |
572 | blength = MAX(blength, BLOCK_SIZE); | |
195bd906 | 573 | } |
195bd906 S |
574 | } |
575 | ||
d04e9c51 | 576 | if (protocol_version < 27) { |
195bd906 S |
577 | s2length = csum_length; |
578 | } else if (csum_length == SUM_LENGTH) { | |
579 | s2length = SUM_LENGTH; | |
580 | } else { | |
a255c592 | 581 | int32 c; |
1490812a | 582 | int64 l; |
da9d12f5 | 583 | int b = BLOCKSUM_BIAS; |
a255c592 | 584 | for (l = len; l >>= 1; b += 2) {} |
f4164b73 | 585 | for (c = blength; (c >>= 1) && b; b--) {} |
a255c592 WD |
586 | /* add a bit, subtract rollsum, round up. */ |
587 | s2length = (b + 1 - 32 + 7) / 8; /* --optimize in compiler-- */ | |
195bd906 S |
588 | s2length = MAX(s2length, csum_length); |
589 | s2length = MIN(s2length, SUM_LENGTH); | |
590 | } | |
591 | ||
592 | sum->flength = len; | |
593 | sum->blength = blength; | |
594 | sum->s2length = s2length; | |
26404276 WD |
595 | sum->remainder = (int32)(len % blength); |
596 | sum->count = (int32)(len / blength) + (sum->remainder != 0); | |
195bd906 S |
597 | |
598 | if (sum->count && verbose > 2) { | |
a255c592 WD |
599 | rprintf(FINFO, |
600 | "count=%.0f rem=%ld blength=%ld s2length=%d flength=%.0f\n", | |
601 | (double)sum->count, (long)sum->remainder, (long)sum->blength, | |
da9d12f5 | 602 | sum->s2length, (double)sum->flength); |
195bd906 S |
603 | } |
604 | } | |
80605142 | 605 | |
bceec82f | 606 | |
80605142 WD |
607 | /* |
608 | * Generate and send a stream of signatures/checksums that describe a buffer | |
e66dfd18 | 609 | * |
80605142 WD |
610 | * Generate approximately one checksum every block_len bytes. |
611 | */ | |
cd6aa5b5 | 612 | static void generate_and_send_sums(int fd, OFF_T len, int f_out, int f_copy) |
2f03f956 | 613 | { |
a1cbe76e | 614 | int32 i; |
6e45e1dd | 615 | struct map_struct *mapbuf; |
80605142 | 616 | struct sum_struct sum; |
2f03f956 AT |
617 | OFF_T offset = 0; |
618 | ||
423dba8e | 619 | sum_sizes_sqroot(&sum, len); |
6cc11982 WD |
620 | write_sum_head(f_out, &sum); |
621 | ||
622 | if (append_mode > 0 && f_copy < 0) | |
623 | return; | |
e66dfd18 | 624 | |
6e45e1dd | 625 | if (len > 0) |
96d910c7 | 626 | mapbuf = map_file(fd, len, MAX_MAP_SIZE, sum.blength); |
6e45e1dd WD |
627 | else |
628 | mapbuf = NULL; | |
629 | ||
80605142 | 630 | for (i = 0; i < sum.count; i++) { |
a255c592 | 631 | int32 n1 = (int32)MIN(len, (OFF_T)sum.blength); |
6e45e1dd | 632 | char *map = map_ptr(mapbuf, offset, n1); |
80605142 | 633 | char sum2[SUM_LENGTH]; |
6cc11982 WD |
634 | uint32 sum1; |
635 | ||
636 | len -= n1; | |
637 | offset += n1; | |
2f03f956 | 638 | |
6cc11982 | 639 | if (f_copy >= 0) { |
cd6aa5b5 | 640 | full_write(f_copy, map, n1); |
6cc11982 WD |
641 | if (append_mode > 0) |
642 | continue; | |
643 | } | |
cd6aa5b5 | 644 | |
6cc11982 | 645 | sum1 = get_checksum1(map, n1); |
80605142 | 646 | get_checksum2(map, n1, sum2); |
2f03f956 | 647 | |
80605142 | 648 | if (verbose > 3) { |
e66dfd18 | 649 | rprintf(FINFO, |
a255c592 | 650 | "chunk[%.0f] offset=%.0f len=%ld sum1=%08lx\n", |
6cc11982 | 651 | (double)i, (double)offset - n1, (long)n1, |
0e36d9da | 652 | (unsigned long)sum1); |
80605142 WD |
653 | } |
654 | write_int(f_out, sum1); | |
fc0257c9 | 655 | write_buf(f_out, sum2, sum.s2length); |
2f03f956 | 656 | } |
6e45e1dd WD |
657 | |
658 | if (mapbuf) | |
659 | unmap_file(mapbuf); | |
2f03f956 AT |
660 | } |
661 | ||
06a1dbad | 662 | |
8e85be0a WD |
663 | /* Try to find a filename in the same dir as "fname" with a similar name. */ |
664 | static int find_fuzzy(struct file_struct *file, struct file_list *dirlist) | |
665 | { | |
666 | int fname_len, fname_suf_len; | |
667 | const char *fname_suf, *fname = file->basename; | |
f328e0f3 | 668 | uint32 lowest_dist = 25 << 16; /* ignore a distance greater than 25 */ |
8e85be0a WD |
669 | int j, lowest_j = -1; |
670 | ||
671 | fname_len = strlen(fname); | |
672 | fname_suf = find_filename_suffix(fname, fname_len, &fname_suf_len); | |
673 | ||
674 | for (j = 0; j < dirlist->count; j++) { | |
675 | struct file_struct *fp = dirlist->files[j]; | |
676 | const char *suf, *name; | |
677 | int len, suf_len; | |
678 | uint32 dist; | |
679 | ||
680 | if (!S_ISREG(fp->mode) || !fp->length | |
681 | || fp->flags & FLAG_NO_FUZZY) | |
682 | continue; | |
683 | ||
684 | name = fp->basename; | |
685 | ||
686 | if (fp->length == file->length | |
0f86c74e | 687 | && cmp_time(fp->modtime, file->modtime) == 0) { |
8e85be0a WD |
688 | if (verbose > 4) { |
689 | rprintf(FINFO, | |
690 | "fuzzy size/modtime match for %s\n", | |
691 | name); | |
692 | } | |
693 | return j; | |
694 | } | |
695 | ||
696 | len = strlen(name); | |
697 | suf = find_filename_suffix(name, len, &suf_len); | |
698 | ||
699 | dist = fuzzy_distance(name, len, fname, fname_len); | |
700 | /* Add some extra weight to how well the suffixes match. */ | |
701 | dist += fuzzy_distance(suf, suf_len, fname_suf, fname_suf_len) | |
702 | * 10; | |
703 | if (verbose > 4) { | |
704 | rprintf(FINFO, "fuzzy distance for %s = %d.%05d\n", | |
705 | name, (int)(dist>>16), (int)(dist&0xFFFF)); | |
706 | } | |
707 | if (dist <= lowest_dist) { | |
708 | lowest_dist = dist; | |
709 | lowest_j = j; | |
710 | } | |
711 | } | |
712 | ||
713 | return lowest_j; | |
714 | } | |
715 | ||
ee1d11c4 WD |
716 | void check_for_finished_hlinks(int itemizing, enum logcode code) |
717 | { | |
718 | struct file_struct *file; | |
719 | int ndx; | |
720 | ||
721 | while ((ndx = get_hlink_num()) != -1) { | |
722 | if (ndx < 0 || ndx >= the_file_list->count) | |
723 | continue; | |
724 | ||
725 | file = the_file_list->files[ndx]; | |
726 | if (!file->link_u.links) | |
727 | continue; | |
728 | ||
729 | hard_link_cluster(file, ndx, itemizing, code); | |
730 | } | |
731 | } | |
2f03f956 | 732 | |
48224e4c WD |
733 | /* This is only called for regular files. We return -2 if we've finished |
734 | * handling the file, -1 if no dest-linking occurred, or a non-negative | |
735 | * value if we found an alternate basis file. */ | |
736 | static int try_dests_reg(struct file_struct *file, char *fname, int ndx, | |
737 | char *cmpbuf, STRUCT_STAT *stp, int itemizing, | |
e912bd4d | 738 | int maybe_ATTRS_REPORT, enum logcode code) |
48224e4c WD |
739 | { |
740 | int best_match = -1; | |
741 | int match_level = 0; | |
742 | int j = 0; | |
743 | ||
744 | do { | |
745 | pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname); | |
746 | if (link_stat(cmpbuf, stp, 0) < 0 || !S_ISREG(stp->st_mode)) | |
747 | continue; | |
748 | switch (match_level) { | |
749 | case 0: | |
750 | best_match = j; | |
751 | match_level = 1; | |
752 | /* FALL THROUGH */ | |
753 | case 1: | |
754 | if (!unchanged_file(cmpbuf, file, stp)) | |
755 | continue; | |
756 | best_match = j; | |
757 | match_level = 2; | |
758 | /* FALL THROUGH */ | |
759 | case 2: | |
760 | if (!unchanged_attrs(file, stp)) | |
761 | continue; | |
6bfc7b4d | 762 | if (always_checksum && preserve_times |
0f86c74e | 763 | && cmp_time(stp->st_mtime, file->modtime)) |
48224e4c WD |
764 | continue; |
765 | best_match = j; | |
766 | match_level = 3; | |
767 | break; | |
768 | } | |
769 | break; | |
770 | } while (basis_dir[++j] != NULL); | |
771 | ||
772 | if (!match_level) | |
773 | return -1; | |
774 | ||
775 | if (j != best_match) { | |
776 | j = best_match; | |
777 | pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname); | |
778 | if (link_stat(cmpbuf, stp, 0) < 0) | |
f964ac5e | 779 | return -1; |
48224e4c WD |
780 | } |
781 | ||
48224e4c | 782 | if (match_level == 3 && !copy_dest) { |
40410a38 | 783 | #ifdef SUPPORT_HARD_LINKS |
48224e4c | 784 | if (link_dest) { |
116a4769 | 785 | int i = itemizing && (verbose > 1 || stdout_format_has_i > 1); |
48224e4c | 786 | if (hard_link_one(file, ndx, fname, 0, stp, |
116a4769 | 787 | cmpbuf, 1, i, code) < 0) |
48224e4c | 788 | goto try_a_copy; |
d9163a4c WD |
789 | if (preserve_hard_links && file->link_u.links) { |
790 | if (dry_run) | |
791 | file->link_u.links->link_dest_used = j + 1; | |
3447d610 | 792 | hard_link_cluster(file, ndx, itemizing, code); |
d9163a4c | 793 | } |
40410a38 WD |
794 | } else |
795 | #endif | |
796 | if (itemizing) | |
48224e4c | 797 | itemize(file, ndx, 0, stp, 0, 0, NULL); |
e912bd4d | 798 | if (verbose > 1 && maybe_ATTRS_REPORT) { |
1925c344 | 799 | rprintf(FCLIENT, "%s is uptodate\n", fname); |
48224e4c WD |
800 | } |
801 | return -2; | |
802 | } | |
48224e4c WD |
803 | |
804 | if (match_level >= 2) { | |
805 | try_a_copy: /* Copy the file locally. */ | |
806 | if (copy_file(cmpbuf, fname, file->mode) < 0) { | |
807 | if (verbose) { | |
3447d610 | 808 | rsyserr(FINFO, errno, "copy_file %s => %s", |
45c49b52 | 809 | full_fname(cmpbuf), fname); |
48224e4c WD |
810 | } |
811 | return -1; | |
812 | } | |
3447d610 WD |
813 | if (itemizing) |
814 | itemize(file, ndx, 0, stp, ITEM_LOCAL_CHANGE, 0, NULL); | |
e912bd4d WD |
815 | set_file_attrs(fname, file, NULL, 0); |
816 | if (maybe_ATTRS_REPORT | |
48224e4c WD |
817 | && ((!itemizing && verbose && match_level == 2) |
818 | || (verbose > 1 && match_level == 3))) { | |
1925c344 | 819 | code = match_level == 3 ? FCLIENT : FINFO; |
45c49b52 | 820 | rprintf(code, "%s%s\n", fname, |
48224e4c WD |
821 | match_level == 3 ? " is uptodate" : ""); |
822 | } | |
3447d610 WD |
823 | if (preserve_hard_links && file->link_u.links) |
824 | hard_link_cluster(file, ndx, itemizing, code); | |
48224e4c WD |
825 | return -2; |
826 | } | |
827 | ||
828 | return FNAMECMP_BASIS_DIR_LOW + j; | |
829 | } | |
830 | ||
831 | /* This is only called for non-regular files. We return -2 if we've finished | |
116a4769 WD |
832 | * handling the file, or -1 if no dest-linking occurred, or a non-negative |
833 | * value if we found an alternate basis file. */ | |
48224e4c | 834 | static int try_dests_non(struct file_struct *file, char *fname, int ndx, |
116a4769 WD |
835 | char *cmpbuf, STRUCT_STAT *stp, int itemizing, |
836 | int maybe_ATTRS_REPORT, enum logcode code) | |
48224e4c | 837 | { |
116a4769 WD |
838 | char lnk[MAXPATHLEN]; |
839 | int best_match = -1; | |
840 | int match_level = 0; | |
841 | enum nonregtype type; | |
842 | int len, j = 0; | |
843 | ||
844 | #ifndef SUPPORT_LINKS | |
845 | if (S_ISLNK(file->mode)) | |
846 | return -1; | |
847 | #endif | |
848 | if (S_ISDIR(file->mode)) { | |
849 | type = TYPE_DIR; | |
850 | } else if (IS_SPECIAL(file->mode)) | |
851 | type = TYPE_SPECIAL; | |
852 | else if (IS_DEVICE(file->mode)) | |
853 | type = TYPE_DEVICE; | |
854 | #ifdef SUPPORT_LINKS | |
855 | else if (S_ISLNK(file->mode)) | |
856 | type = TYPE_SYMLINK; | |
857 | #endif | |
858 | else { | |
859 | rprintf(FERROR, | |
860 | "internal: try_dests_non() called with invalid mode (%o)\n", | |
861 | (int)file->mode); | |
862 | exit_cleanup(RERR_UNSUPPORTED); | |
863 | } | |
48224e4c WD |
864 | |
865 | do { | |
116a4769 WD |
866 | pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname); |
867 | if (link_stat(cmpbuf, stp, 0) < 0) | |
48224e4c | 868 | continue; |
116a4769 WD |
869 | switch (type) { |
870 | case TYPE_DIR: | |
871 | if (!S_ISDIR(stp->st_mode)) | |
872 | continue; | |
873 | break; | |
874 | case TYPE_SPECIAL: | |
875 | if (!IS_SPECIAL(stp->st_mode)) | |
876 | continue; | |
877 | break; | |
878 | case TYPE_DEVICE: | |
879 | if (!IS_DEVICE(stp->st_mode)) | |
880 | continue; | |
881 | break; | |
bb0d8edf | 882 | #ifdef SUPPORT_LINKS |
116a4769 WD |
883 | case TYPE_SYMLINK: |
884 | if (!S_ISLNK(stp->st_mode)) | |
48224e4c | 885 | continue; |
116a4769 | 886 | break; |
bb0d8edf | 887 | #endif |
116a4769 WD |
888 | } |
889 | if (match_level < 1) { | |
890 | match_level = 1; | |
891 | best_match = j; | |
892 | } | |
893 | switch (type) { | |
894 | case TYPE_DIR: | |
895 | break; | |
896 | case TYPE_SPECIAL: | |
897 | case TYPE_DEVICE: | |
898 | if (stp->st_rdev != file->u.rdev) | |
48224e4c | 899 | continue; |
116a4769 WD |
900 | break; |
901 | #ifdef SUPPORT_LINKS | |
902 | case TYPE_SYMLINK: | |
903 | if ((len = readlink(cmpbuf, lnk, MAXPATHLEN-1)) <= 0) | |
ba212fe0 | 904 | continue; |
116a4769 WD |
905 | lnk[len] = '\0'; |
906 | if (strcmp(lnk, file->u.link) != 0) | |
ba212fe0 | 907 | continue; |
116a4769 WD |
908 | break; |
909 | #endif | |
910 | } | |
911 | if (match_level < 2) { | |
912 | match_level = 2; | |
913 | best_match = j; | |
914 | } | |
915 | if (unchanged_attrs(file, stp)) { | |
916 | match_level = 3; | |
917 | best_match = j; | |
918 | break; | |
5f93b4d3 | 919 | } |
116a4769 WD |
920 | } while (basis_dir[++j] != NULL); |
921 | ||
922 | if (!match_level) | |
923 | return -1; | |
924 | ||
925 | if (j != best_match) { | |
926 | j = best_match; | |
927 | pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname); | |
928 | if (link_stat(cmpbuf, stp, 0) < 0) | |
929 | return -1; | |
930 | } | |
931 | ||
932 | if (match_level == 3) { | |
40410a38 | 933 | #ifdef SUPPORT_HARD_LINKS |
ba212fe0 WD |
934 | if (link_dest |
935 | #ifndef CAN_HARDLINK_SYMLINK | |
936 | && !S_ISLNK(file->mode) | |
937 | #endif | |
938 | #ifndef CAN_HARDLINK_SPECIAL | |
43476426 | 939 | && !IS_SPECIAL(file->mode) && !IS_DEVICE(file->mode) |
ba212fe0 | 940 | #endif |
116a4769 WD |
941 | && !S_ISDIR(file->mode)) { |
942 | if (do_link(cmpbuf, fname) < 0) { | |
1c6e9dfa WD |
943 | rsyserr(FERROR, errno, |
944 | "failed to hard-link %s with %s", | |
116a4769 WD |
945 | cmpbuf, fname); |
946 | return j; | |
48224e4c | 947 | } |
3447d610 WD |
948 | if (preserve_hard_links && file->link_u.links) |
949 | hard_link_cluster(file, ndx, itemizing, code); | |
116a4769 | 950 | } else |
40410a38 | 951 | #endif |
116a4769 WD |
952 | match_level = 2; |
953 | if (itemizing && stdout_format_has_i | |
954 | && (verbose > 1 || stdout_format_has_i > 1)) { | |
955 | int chg = compare_dest && type != TYPE_DIR ? 0 | |
956 | : ITEM_LOCAL_CHANGE | |
957 | + (match_level == 3 ? ITEM_XNAME_FOLLOWS : 0); | |
958 | char *lp = match_level == 3 ? "" : NULL; | |
959 | itemize(file, ndx, 0, stp, chg + ITEM_MATCHED, 0, lp); | |
48224e4c | 960 | } |
e912bd4d | 961 | if (verbose > 1 && maybe_ATTRS_REPORT) { |
116a4769 WD |
962 | rprintf(FCLIENT, "%s%s is uptodate\n", |
963 | fname, type == TYPE_DIR ? "/" : ""); | |
48224e4c WD |
964 | } |
965 | return -2; | |
116a4769 | 966 | } |
48224e4c | 967 | |
116a4769 | 968 | return j; |
48224e4c WD |
969 | } |
970 | ||
ed7e7955 WD |
971 | static int phase = 0; |
972 | ||
ee1d11c4 | 973 | /* Acts on the_file_list->file's ndx'th item, whose name is fname. If a dir, |
0492fdfb WD |
974 | * make sure it exists, and has the right permissions/timestamp info. For |
975 | * all other non-regular files (symlinks, etc.) we create them here. For | |
976 | * regular files that have changed, we try to find a basis file and then | |
977 | * start sending checksums. | |
ef1aa910 | 978 | * |
0e5665d3 WD |
979 | * When fname is non-null, it must point to a MAXPATHLEN buffer! |
980 | * | |
0492fdfb WD |
981 | * Note that f_out is set to -1 when doing final directory-permission and |
982 | * modification-time repair. */ | |
ee1d11c4 | 983 | static void recv_generator(char *fname, struct file_struct *file, int ndx, |
e912bd4d | 984 | int itemizing, int maybe_ATTRS_REPORT, |
ef20efcb | 985 | enum logcode code, int f_out) |
2cda2560 | 986 | { |
8174bc35 | 987 | static int missing_below = -1, excluded_below = -1; |
4a19c3b2 | 988 | static const char *parent_dirname = ""; |
8e85be0a | 989 | static struct file_list *fuzzy_dirlist = NULL; |
8470a515 | 990 | static int need_fuzzy_dirlist = 0; |
8e85be0a | 991 | struct file_struct *fuzzy_file = NULL; |
41cfde6b | 992 | int fd = -1, f_copy = -1; |
1f1d368a | 993 | STRUCT_STAT st, real_st, partial_st; |
41cfde6b | 994 | struct file_struct *back_file = NULL; |
1f1d368a | 995 | int statret, real_ret, stat_errno; |
41cfde6b | 996 | char *fnamecmp, *partialptr, *backupptr = NULL; |
375a4556 | 997 | char fnamecmpbuf[MAXPATHLEN]; |
41cfde6b | 998 | uchar fnamecmp_type; |
c6fadc0e | 999 | int del_opts = delete_mode || force_delete ? DEL_RECURSE : 0; |
f7632fc6 | 1000 | |
dfd5ba6a WD |
1001 | if (list_only) |
1002 | return; | |
2f03f956 | 1003 | |
8e85be0a WD |
1004 | if (!fname) { |
1005 | if (fuzzy_dirlist) { | |
8470a515 | 1006 | flist_free(fuzzy_dirlist); |
8e85be0a | 1007 | fuzzy_dirlist = NULL; |
8e85be0a WD |
1008 | } |
1009 | if (missing_below >= 0) { | |
caff3322 WD |
1010 | if (dry_run) |
1011 | dry_run--; | |
8e85be0a WD |
1012 | missing_below = -1; |
1013 | } | |
8c9e06d7 | 1014 | parent_dirname = ""; |
8e85be0a WD |
1015 | return; |
1016 | } | |
1017 | ||
45c49b52 WD |
1018 | if (verbose > 2) |
1019 | rprintf(FINFO, "recv_generator(%s,%d)\n", fname, ndx); | |
2f03f956 | 1020 | |
8174bc35 WD |
1021 | if (server_filter_list.head) { |
1022 | if (excluded_below >= 0) { | |
1023 | if (file->dir.depth > excluded_below) | |
1024 | goto skipping; | |
1025 | excluded_below = -1; | |
1026 | } | |
1027 | if (check_filter(&server_filter_list, fname, | |
1028 | S_ISDIR(file->mode)) < 0) { | |
1029 | if (S_ISDIR(file->mode)) | |
1030 | excluded_below = file->dir.depth; | |
b2e7c913 | 1031 | skipping: |
8174bc35 WD |
1032 | if (verbose) { |
1033 | rprintf(FINFO, | |
1034 | "skipping server-excluded file \"%s\"\n", | |
45c49b52 | 1035 | fname); |
8174bc35 WD |
1036 | } |
1037 | return; | |
3e35c34b | 1038 | } |
3e35c34b | 1039 | } |
97f9dcae | 1040 | |
caff3322 WD |
1041 | if (missing_below >= 0) { |
1042 | if (file->dir.depth <= missing_below) { | |
1043 | if (dry_run) | |
1044 | dry_run--; | |
1045 | missing_below = -1; | |
1046 | } else if (!dry_run) | |
1047 | return; | |
df337831 | 1048 | } |
73f7af0e WD |
1049 | if (dry_run > 1) { |
1050 | statret = -1; | |
1051 | stat_errno = ENOENT; | |
1052 | } else { | |
4a19c3b2 | 1053 | const char *dn = file->dirname ? file->dirname : "."; |
8c9e06d7 | 1054 | if (parent_dirname != dn && strcmp(parent_dirname, dn) != 0) { |
aa37022e | 1055 | if (relative_paths && !implied_dirs |
1a7f3d99 | 1056 | && do_stat(dn, &st) < 0 |
904e5af1 | 1057 | && create_directory_path(fname) < 0) { |
8c9e06d7 WD |
1058 | rsyserr(FERROR, errno, |
1059 | "recv_generator: mkdir %s failed", | |
1060 | full_fname(dn)); | |
8e85be0a | 1061 | } |
8c9e06d7 | 1062 | if (fuzzy_dirlist) { |
8470a515 | 1063 | flist_free(fuzzy_dirlist); |
8c9e06d7 WD |
1064 | fuzzy_dirlist = NULL; |
1065 | } | |
1066 | if (fuzzy_basis) | |
8470a515 | 1067 | need_fuzzy_dirlist = 1; |
8e85be0a | 1068 | } |
8c9e06d7 | 1069 | parent_dirname = dn; |
8e85be0a | 1070 | |
6f2a222c | 1071 | if (need_fuzzy_dirlist && S_ISREG(file->mode)) { |
4a19c3b2 WD |
1072 | strlcpy(fnamecmpbuf, dn, sizeof fnamecmpbuf); |
1073 | fuzzy_dirlist = get_dirlist(fnamecmpbuf, -1, 1); | |
6f2a222c WD |
1074 | need_fuzzy_dirlist = 0; |
1075 | } | |
865c3b5f | 1076 | |
73f7af0e WD |
1077 | statret = link_stat(fname, &st, |
1078 | keep_dirlinks && S_ISDIR(file->mode)); | |
1079 | stat_errno = errno; | |
1080 | } | |
63787382 | 1081 | |
e90aab49 | 1082 | if (ignore_non_existing && statret == -1 && stat_errno == ENOENT) { |
ecc81fce | 1083 | if (verbose > 1) { |
15164c0a WD |
1084 | rprintf(FINFO, "not creating new %s \"%s\"\n", |
1085 | S_ISDIR(file->mode) ? "directory" : "file", | |
45c49b52 | 1086 | fname); |
ecc81fce | 1087 | } |
1347d512 AT |
1088 | return; |
1089 | } | |
1090 | ||
a9d6e6fc WD |
1091 | /* If we're not preserving permissions, change the file-list's |
1092 | * mode based on the local permissions and some heuristics. */ | |
1093 | if (!preserve_perms) { | |
1094 | int exists = statret == 0 | |
1095 | && S_ISDIR(st.st_mode) == S_ISDIR(file->mode); | |
1096 | file->mode = dest_mode(file->mode, st.st_mode, exists); | |
4df9f368 AT |
1097 | } |
1098 | ||
2f03f956 | 1099 | if (S_ISDIR(file->mode)) { |
2cda2560 WD |
1100 | /* The file to be received is a directory, so we need |
1101 | * to prepare appropriately. If there is already a | |
1102 | * file of that name and it is *not* a directory, then | |
1103 | * we need to delete it. If it doesn't exist, then | |
027428eb | 1104 | * (perhaps recursively) create it. */ |
2f03f956 | 1105 | if (statret == 0 && !S_ISDIR(st.st_mode)) { |
c6fadc0e | 1106 | if (delete_item(fname, st.st_mode, "directory", del_opts) != 0) |
1f1d368a | 1107 | return; |
2f03f956 AT |
1108 | statret = -1; |
1109 | } | |
df337831 WD |
1110 | if (dry_run && statret != 0 && missing_below < 0) { |
1111 | missing_below = file->dir.depth; | |
1112 | dry_run++; | |
1113 | } | |
b467495c WD |
1114 | real_ret = statret; |
1115 | real_st = st; | |
116a4769 WD |
1116 | if (new_root_dir) { |
1117 | if (*fname == '.' && fname[1] == '\0') | |
b467495c | 1118 | statret = -1; |
116a4769 WD |
1119 | new_root_dir = 0; |
1120 | } | |
b467495c | 1121 | if (statret != 0 && basis_dir[0] != NULL) { |
116a4769 WD |
1122 | int j = try_dests_non(file, fname, ndx, fnamecmpbuf, &st, |
1123 | itemizing, maybe_ATTRS_REPORT, code); | |
1124 | if (j == -2) { | |
1125 | itemizing = 0; | |
1126 | code = FNONE; | |
1127 | } else if (j >= 0) | |
b467495c | 1128 | statret = 1; |
116a4769 | 1129 | } |
ee1d11c4 | 1130 | if (itemizing && f_out != -1) { |
b467495c WD |
1131 | itemize(file, ndx, statret, &st, |
1132 | statret ? ITEM_LOCAL_CHANGE : 0, 0, NULL); | |
ee1d11c4 | 1133 | } |
b467495c | 1134 | if (real_ret != 0 && do_mkdir(fname,file->mode) < 0 && errno != EEXIST) { |
027428eb | 1135 | if (!relative_paths || errno != ENOENT |
904e5af1 | 1136 | || create_directory_path(fname) < 0 |
09290693 | 1137 | || (do_mkdir(fname, file->mode) < 0 && errno != EEXIST)) { |
d62bcc17 WD |
1138 | rsyserr(FERROR, errno, |
1139 | "recv_generator: mkdir %s failed", | |
1140 | full_fname(fname)); | |
caff3322 WD |
1141 | file->flags |= FLAG_MISSING; |
1142 | if (ndx+1 < the_file_list->count | |
1143 | && the_file_list->files[ndx+1]->dir.depth > file->dir.depth) { | |
1144 | rprintf(FERROR, | |
1145 | "*** Skipping everything below this failed directory ***\n"); | |
1146 | missing_below = file->dir.depth; | |
1147 | } | |
1148 | return; | |
2f03f956 AT |
1149 | } |
1150 | } | |
b467495c | 1151 | if (set_file_attrs(fname, file, real_ret ? NULL : &real_st, 0) |
f4164b73 | 1152 | && verbose && code != FNONE && f_out != -1) |
45c49b52 | 1153 | rprintf(code, "%s/\n", fname); |
b467495c | 1154 | if (real_ret != 0 && one_file_system) |
b2e4811d | 1155 | real_st.st_dev = filesystem_dev; |
f75a53e7 | 1156 | if (delete_during && f_out != -1 && !phase && dry_run < 2 |
31937d36 | 1157 | && (file->flags & FLAG_DEL_HERE)) |
b2e4811d | 1158 | delete_in_dir(the_file_list, fname, file, &real_st); |
2f03f956 | 1159 | return; |
06a1dbad | 1160 | } |
6c3862fa | 1161 | |
273a7ed5 WD |
1162 | if (preserve_hard_links && file->link_u.links |
1163 | && hard_link_check(file, ndx, fname, statret, &st, | |
1164 | itemizing, code, HL_CHECK_MASTER)) | |
1165 | return; | |
1166 | ||
2f03f956 | 1167 | if (preserve_links && S_ISLNK(file->mode)) { |
4f5b0756 | 1168 | #ifdef SUPPORT_LINKS |
728d0922 | 1169 | if (safe_symlinks && unsafe_symlink(file->u.link, fname)) { |
2f03f956 | 1170 | if (verbose) { |
2a5d5a8c | 1171 | if (the_file_list->count == 1) |
6cbde57d | 1172 | fname = f_name(file, NULL); |
4875d6b6 WD |
1173 | rprintf(FINFO, |
1174 | "ignoring unsafe symlink %s -> \"%s\"\n", | |
45c49b52 | 1175 | full_fname(fname), file->u.link); |
2f03f956 AT |
1176 | } |
1177 | return; | |
1178 | } | |
1179 | if (statret == 0) { | |
7e38410e WD |
1180 | char lnk[MAXPATHLEN]; |
1181 | int len; | |
1182 | ||
116a4769 WD |
1183 | if (!S_ISLNK(st.st_mode)) |
1184 | statret = -1; | |
1185 | else if ((len = readlink(fname, lnk, MAXPATHLEN-1)) > 0 | |
1186 | && strncmp(lnk, file->u.link, len) == 0 | |
1187 | && file->u.link[len] == '\0') { | |
1188 | /* The link is pointing to the right place. */ | |
1189 | if (itemizing) | |
1190 | itemize(file, ndx, 0, &st, 0, 0, NULL); | |
1191 | set_file_attrs(fname, file, &st, maybe_ATTRS_REPORT); | |
1192 | if (preserve_hard_links && file->link_u.links) | |
1193 | hard_link_cluster(file, ndx, itemizing, code); | |
1194 | if (remove_source_files == 1) | |
1195 | goto return_with_success; | |
1196 | return; | |
2cda2560 | 1197 | } |
7e38410e WD |
1198 | /* Not the right symlink (or not a symlink), so |
1199 | * delete it. */ | |
c6fadc0e | 1200 | if (delete_item(fname, st.st_mode, "symlink", del_opts) != 0) |
1f1d368a | 1201 | return; |
1c6e9dfa | 1202 | } else if (basis_dir[0] != NULL) { |
116a4769 WD |
1203 | int j = try_dests_non(file, fname, ndx, fnamecmpbuf, &st, |
1204 | itemizing, maybe_ATTRS_REPORT, code); | |
1205 | if (j == -2) { | |
ba212fe0 WD |
1206 | #ifndef CAN_HARDLINK_SYMLINK |
1207 | if (link_dest) { | |
1208 | /* Resort to --copy-dest behavior. */ | |
1209 | } else | |
1210 | #endif | |
48224e4c WD |
1211 | if (!copy_dest) |
1212 | return; | |
f4164b73 WD |
1213 | itemizing = 0; |
1214 | code = FNONE; | |
116a4769 WD |
1215 | } else if (j >= 0) |
1216 | statret = 1; | |
2f03f956 | 1217 | } |
273a7ed5 WD |
1218 | if (preserve_hard_links && file->link_u.links |
1219 | && hard_link_check(file, ndx, fname, -1, &st, | |
1220 | itemizing, code, HL_SKIP)) | |
1221 | return; | |
116a4769 | 1222 | if (do_symlink(file->u.link, fname) != 0) { |
d62bcc17 | 1223 | rsyserr(FERROR, errno, "symlink %s -> \"%s\" failed", |
45c49b52 | 1224 | full_fname(fname), file->u.link); |
2f03f956 | 1225 | } else { |
e912bd4d | 1226 | set_file_attrs(fname, file, NULL, 0); |
6c3862fa | 1227 | if (itemizing) { |
ee1d11c4 | 1228 | itemize(file, ndx, statret, &st, |
ef20efcb | 1229 | ITEM_LOCAL_CHANGE, 0, NULL); |
6c3862fa | 1230 | } |
116a4769 WD |
1231 | if (code != FNONE && verbose) |
1232 | rprintf(code, "%s -> %s\n", fname, file->u.link); | |
273a7ed5 WD |
1233 | if (preserve_hard_links && file->link_u.links) |
1234 | hard_link_cluster(file, ndx, itemizing, code); | |
f964ac5e WD |
1235 | /* This does not check remove_source_files == 1 |
1236 | * because this is one of the items that the old | |
1237 | * --remove-sent-files option would remove. */ | |
47c11975 | 1238 | if (remove_source_files) |
04cd8789 | 1239 | goto return_with_success; |
2f03f956 AT |
1240 | } |
1241 | #endif | |
1242 | return; | |
1243 | } | |
1244 | ||
b5c6a6ae WD |
1245 | if ((am_root && preserve_devices && IS_DEVICE(file->mode)) |
1246 | || (preserve_specials && IS_SPECIAL(file->mode))) { | |
116a4769 | 1247 | if (statret == 0) { |
c6fadc0e WD |
1248 | char *t; |
1249 | if (IS_DEVICE(file->mode)) { | |
1250 | if (!IS_DEVICE(st.st_mode)) | |
1251 | statret = -1; | |
1252 | t = "device file"; | |
1253 | } else { | |
1254 | if (!IS_SPECIAL(st.st_mode)) | |
1255 | statret = -1; | |
1256 | t = "special file"; | |
1257 | } | |
1258 | if (statret == 0 | |
1259 | && (st.st_mode & ~CHMOD_BITS) == (file->mode & ~CHMOD_BITS) | |
1260 | && st.st_rdev == file->u.rdev) { | |
116a4769 WD |
1261 | /* The device or special file is identical. */ |
1262 | if (itemizing) | |
1263 | itemize(file, ndx, 0, &st, 0, 0, NULL); | |
1264 | set_file_attrs(fname, file, &st, maybe_ATTRS_REPORT); | |
1265 | if (preserve_hard_links && file->link_u.links) | |
1266 | hard_link_cluster(file, ndx, itemizing, code); | |
1267 | if (remove_source_files == 1) | |
1268 | goto return_with_success; | |
1269 | return; | |
1270 | } | |
c6fadc0e | 1271 | if (delete_item(fname, st.st_mode, t, del_opts) != 0) |
116a4769 WD |
1272 | return; |
1273 | } else if (basis_dir[0] != NULL) { | |
1274 | int j = try_dests_non(file, fname, ndx, fnamecmpbuf, &st, | |
1275 | itemizing, maybe_ATTRS_REPORT, code); | |
1276 | if (j == -2) { | |
ba212fe0 WD |
1277 | #ifndef CAN_HARDLINK_SPECIAL |
1278 | if (link_dest) { | |
1279 | /* Resort to --copy-dest behavior. */ | |
1280 | } else | |
1281 | #endif | |
48224e4c WD |
1282 | if (!copy_dest) |
1283 | return; | |
f4164b73 WD |
1284 | itemizing = 0; |
1285 | code = FNONE; | |
116a4769 WD |
1286 | } else if (j >= 0) |
1287 | statret = 1; | |
48224e4c | 1288 | } |
116a4769 WD |
1289 | if (preserve_hard_links && file->link_u.links |
1290 | && hard_link_check(file, ndx, fname, -1, &st, | |
1291 | itemizing, code, HL_SKIP)) | |
1292 | return; | |
1293 | if (verbose > 2) { | |
1294 | rprintf(FINFO,"mknod(%s,0%o,0x%x)\n", | |
1295 | fname, (int)file->mode, (int)file->u.rdev); | |
1296 | } | |
1297 | if (do_mknod(fname, file->mode, file->u.rdev) < 0) { | |
1298 | rsyserr(FERROR, errno, "mknod %s failed", | |
1299 | full_fname(fname)); | |
2f03f956 | 1300 | } else { |
116a4769 WD |
1301 | set_file_attrs(fname, file, NULL, 0); |
1302 | if (itemizing) { | |
1303 | itemize(file, ndx, statret, &st, | |
1304 | ITEM_LOCAL_CHANGE, 0, NULL); | |
1305 | } | |
1306 | if (code != FNONE && verbose) | |
1307 | rprintf(code, "%s\n", fname); | |
273a7ed5 WD |
1308 | if (preserve_hard_links && file->link_u.links) |
1309 | hard_link_cluster(file, ndx, itemizing, code); | |
47c11975 | 1310 | if (remove_source_files == 1) |
04cd8789 | 1311 | goto return_with_success; |
2f03f956 AT |
1312 | } |
1313 | return; | |
1314 | } | |
2f03f956 | 1315 | |
2f03f956 | 1316 | if (!S_ISREG(file->mode)) { |
2a5d5a8c | 1317 | if (the_file_list->count == 1) |
6cbde57d | 1318 | fname = f_name(file, NULL); |
45c49b52 | 1319 | rprintf(FINFO, "skipping non-regular file \"%s\"\n", fname); |
2f03f956 AT |
1320 | return; |
1321 | } | |
1322 | ||
289a3216 WD |
1323 | if (max_size && file->length > max_size) { |
1324 | if (verbose > 1) { | |
1325 | if (the_file_list->count == 1) | |
6cbde57d | 1326 | fname = f_name(file, NULL); |
45c49b52 | 1327 | rprintf(FINFO, "%s is over max-size\n", fname); |
289a3216 WD |
1328 | } |
1329 | return; | |
1330 | } | |
02b5cb23 WD |
1331 | if (min_size && file->length < min_size) { |
1332 | if (verbose > 1) { | |
1333 | if (the_file_list->count == 1) | |
6cbde57d | 1334 | fname = f_name(file, NULL); |
45c49b52 | 1335 | rprintf(FINFO, "%s is under min-size\n", fname); |
02b5cb23 WD |
1336 | } |
1337 | return; | |
1338 | } | |
289a3216 | 1339 | |
e90aab49 | 1340 | if (ignore_existing && statret == 0) { |
c3cbcfb8 | 1341 | if (verbose > 1) |
45c49b52 | 1342 | rprintf(FINFO, "%s exists\n", fname); |
c3cbcfb8 WD |
1343 | return; |
1344 | } | |
1345 | ||
1346 | if (update_only && statret == 0 | |
0f86c74e | 1347 | && cmp_time(st.st_mtime, file->modtime) > 0) { |
c3cbcfb8 | 1348 | if (verbose > 1) |
45c49b52 | 1349 | rprintf(FINFO, "%s is newer\n", fname); |
c3cbcfb8 WD |
1350 | return; |
1351 | } | |
1352 | ||
375a4556 | 1353 | fnamecmp = fname; |
41cfde6b | 1354 | fnamecmp_type = FNAMECMP_FNAME; |
375a4556 | 1355 | |
1f1d368a | 1356 | if (statret == 0 && !S_ISREG(st.st_mode)) { |
c6fadc0e | 1357 | if (delete_item(fname, st.st_mode, "regular file", del_opts) != 0) |
1f1d368a WD |
1358 | return; |
1359 | statret = -1; | |
1360 | stat_errno = ENOENT; | |
1361 | } | |
1362 | ||
06a1dbad | 1363 | if (statret != 0 && basis_dir[0] != NULL) { |
48224e4c | 1364 | int j = try_dests_reg(file, fname, ndx, fnamecmpbuf, &st, |
e912bd4d | 1365 | itemizing, maybe_ATTRS_REPORT, code); |
04cd8789 | 1366 | if (j == -2) { |
47c11975 | 1367 | if (remove_source_files == 1) |
04cd8789 | 1368 | goto return_with_success; |
48224e4c | 1369 | return; |
04cd8789 | 1370 | } |
b06050f9 | 1371 | if (j >= 0) { |
48224e4c WD |
1372 | fnamecmp = fnamecmpbuf; |
1373 | fnamecmp_type = j; | |
9ba46343 | 1374 | statret = 0; |
e7d13fe5 WD |
1375 | } |
1376 | } | |
1377 | ||
1f1d368a WD |
1378 | real_ret = statret; |
1379 | real_st = st; | |
375a4556 | 1380 | |
9d954dca | 1381 | if (partial_dir && (partialptr = partial_dir_fname(fname)) != NULL |
72c19bb3 WD |
1382 | && link_stat(partialptr, &partial_st, 0) == 0 |
1383 | && S_ISREG(partial_st.st_mode)) { | |
06a1dbad | 1384 | if (statret != 0) |
72c19bb3 WD |
1385 | goto prepare_to_open; |
1386 | } else | |
1387 | partialptr = NULL; | |
89f7eff3 | 1388 | |
ccb16b46 | 1389 | if (statret != 0 && fuzzy_dirlist && dry_run <= 1) { |
8e85be0a WD |
1390 | int j = find_fuzzy(file, fuzzy_dirlist); |
1391 | if (j >= 0) { | |
1392 | fuzzy_file = fuzzy_dirlist->files[j]; | |
6cbde57d | 1393 | f_name(fuzzy_file, fnamecmpbuf); |
8e85be0a WD |
1394 | if (verbose > 2) { |
1395 | rprintf(FINFO, "fuzzy basis selected for %s: %s\n", | |
45c49b52 | 1396 | fname, fnamecmpbuf); |
8e85be0a | 1397 | } |
8e85be0a | 1398 | st.st_size = fuzzy_file->length; |
8e85be0a WD |
1399 | statret = 0; |
1400 | fnamecmp = fnamecmpbuf; | |
1401 | fnamecmp_type = FNAMECMP_FUZZY; | |
1402 | } | |
1403 | } | |
1404 | ||
06a1dbad | 1405 | if (statret != 0) { |
273a7ed5 | 1406 | if (preserve_hard_links && file->link_u.links |
d8169e6f WD |
1407 | && hard_link_check(file, ndx, fname, statret, &st, |
1408 | itemizing, code, HL_SKIP)) | |
6dff5992 | 1409 | return; |
41cfde6b WD |
1410 | if (stat_errno == ENOENT) |
1411 | goto notify_others; | |
991daf00 WD |
1412 | rsyserr(FERROR, stat_errno, "recv_generator: failed to stat %s", |
1413 | full_fname(fname)); | |
2f03f956 AT |
1414 | return; |
1415 | } | |
1416 | ||
6cc11982 WD |
1417 | if (append_mode && st.st_size > file->length) |
1418 | return; | |
1419 | ||
48224e4c | 1420 | if (fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH) |
b7e8628c | 1421 | ; |
8e85be0a WD |
1422 | else if (fnamecmp_type == FNAMECMP_FUZZY) |
1423 | ; | |
b7e8628c | 1424 | else if (unchanged_file(fnamecmp, file, &st)) { |
d8b108c2 WD |
1425 | if (partialptr) { |
1426 | do_unlink(partialptr); | |
1427 | handle_partial_dir(partialptr, PDIR_DELETE); | |
1428 | } | |
48224e4c WD |
1429 | if (itemizing) { |
1430 | itemize(file, ndx, real_ret, &real_st, | |
1431 | 0, 0, NULL); | |
a1d23b53 | 1432 | } |
e912bd4d | 1433 | set_file_attrs(fname, file, &st, maybe_ATTRS_REPORT); |
48224e4c WD |
1434 | if (preserve_hard_links && file->link_u.links) |
1435 | hard_link_cluster(file, ndx, itemizing, code); | |
47c11975 | 1436 | if (remove_source_files != 1) |
04cd8789 WD |
1437 | return; |
1438 | return_with_success: | |
1439 | if (!dry_run) { | |
1440 | char numbuf[4]; | |
1441 | SIVAL(numbuf, 0, ndx); | |
1442 | send_msg(MSG_SUCCESS, numbuf, 4); | |
1443 | } | |
967866d4 | 1444 | return; |
2f03f956 AT |
1445 | } |
1446 | ||
b2e7c913 | 1447 | prepare_to_open: |
9d954dca WD |
1448 | if (partialptr) { |
1449 | st = partial_st; | |
1450 | fnamecmp = partialptr; | |
1451 | fnamecmp_type = FNAMECMP_PARTIAL_DIR; | |
1452 | statret = 0; | |
1453 | } | |
1454 | ||
beb51aa0 | 1455 | if (!do_xfers || read_batch || whole_file) |
3841a04e | 1456 | goto notify_others; |
2f03f956 | 1457 | |
ccb16b46 | 1458 | if (fuzzy_dirlist) { |
8e85be0a WD |
1459 | int j = flist_find(fuzzy_dirlist, file); |
1460 | if (j >= 0) /* don't use changing file as future fuzzy basis */ | |
1461 | fuzzy_dirlist->files[j]->flags |= FLAG_NO_FUZZY; | |
1462 | } | |
1463 | ||
2cda2560 | 1464 | /* open the file */ |
8c9fd200 | 1465 | fd = do_open(fnamecmp, O_RDONLY, 0); |
2f03f956 AT |
1466 | |
1467 | if (fd == -1) { | |
d62bcc17 WD |
1468 | rsyserr(FERROR, errno, "failed to open %s, continuing", |
1469 | full_fname(fnamecmp)); | |
b2e7c913 | 1470 | pretend_missing: |
60be6acf | 1471 | /* pretend the file didn't exist */ |
273a7ed5 | 1472 | if (preserve_hard_links && file->link_u.links |
d8169e6f WD |
1473 | && hard_link_check(file, ndx, fname, statret, &st, |
1474 | itemizing, code, HL_SKIP)) | |
6dff5992 | 1475 | return; |
1f1d368a | 1476 | statret = real_ret = -1; |
41cfde6b | 1477 | goto notify_others; |
2f03f956 AT |
1478 | } |
1479 | ||
ef20efcb | 1480 | if (inplace && make_backups && fnamecmp_type == FNAMECMP_FNAME) { |
cd6aa5b5 WD |
1481 | if (!(backupptr = get_backup_name(fname))) { |
1482 | close(fd); | |
1483 | return; | |
1484 | } | |
3de73827 | 1485 | if (!(back_file = make_file(fname, NULL, NULL, 0, NO_FILTERS))) { |
cd6aa5b5 WD |
1486 | close(fd); |
1487 | goto pretend_missing; | |
1488 | } | |
1489 | if (robust_unlink(backupptr) && errno != ENOENT) { | |
1490 | rsyserr(FERROR, errno, "unlink %s", | |
1491 | full_fname(backupptr)); | |
1492 | free(back_file); | |
1493 | close(fd); | |
1494 | return; | |
1495 | } | |
1496 | if ((f_copy = do_open(backupptr, | |
1497 | O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0) { | |
1498 | rsyserr(FERROR, errno, "open %s", | |
1499 | full_fname(backupptr)); | |
1500 | free(back_file); | |
1501 | close(fd); | |
1502 | return; | |
1503 | } | |
41cfde6b | 1504 | fnamecmp_type = FNAMECMP_BACKUP; |
cd6aa5b5 WD |
1505 | } |
1506 | ||
dfd5ba6a | 1507 | if (verbose > 3) { |
ecc81fce | 1508 | rprintf(FINFO, "gen mapped %s of size %.0f\n", |
45c49b52 | 1509 | fnamecmp, (double)st.st_size); |
dfd5ba6a | 1510 | } |
2f03f956 | 1511 | |
2f03f956 | 1512 | if (verbose > 2) |
0492fdfb | 1513 | rprintf(FINFO, "generating and sending sums for %d\n", ndx); |
2f03f956 | 1514 | |
b2e7c913 | 1515 | notify_others: |
47c11975 | 1516 | if (remove_source_files && !delay_updates && !phase) |
04cd8789 | 1517 | increment_active_files(ndx, itemizing, code); |
0492fdfb | 1518 | write_int(f_out, ndx); |
6c3862fa | 1519 | if (itemizing) { |
ee1d11c4 | 1520 | int iflags = ITEM_TRANSFER; |
8237f930 | 1521 | if (always_checksum) |
a1d23b53 | 1522 | iflags |= ITEM_REPORT_CHECKSUM; |
352963dd | 1523 | if (fnamecmp_type != FNAMECMP_FNAME) |
ef20efcb WD |
1524 | iflags |= ITEM_BASIS_TYPE_FOLLOWS; |
1525 | if (fnamecmp_type == FNAMECMP_FUZZY) | |
1526 | iflags |= ITEM_XNAME_FOLLOWS; | |
1f1d368a | 1527 | itemize(file, -1, real_ret, &real_st, iflags, fnamecmp_type, |
ef20efcb | 1528 | fuzzy_file ? fuzzy_file->basename : NULL); |
8e85be0a | 1529 | } |
cd6aa5b5 | 1530 | |
beb51aa0 | 1531 | if (!do_xfers) { |
ee1d11c4 WD |
1532 | if (preserve_hard_links && file->link_u.links) |
1533 | hard_link_cluster(file, ndx, itemizing, code); | |
1534 | return; | |
1535 | } | |
1536 | if (read_batch) | |
41cfde6b WD |
1537 | return; |
1538 | ||
33ab4ad8 | 1539 | if (statret != 0 || whole_file) { |
e86ae6bc WD |
1540 | write_sum_head(f_out, NULL); |
1541 | return; | |
1542 | } | |
1543 | ||
1544 | generate_and_send_sums(fd, st.st_size, f_out, f_copy); | |
1545 | ||
1546 | if (f_copy >= 0) { | |
1547 | close(f_copy); | |
e912bd4d | 1548 | set_file_attrs(backupptr, back_file, NULL, 0); |
e86ae6bc WD |
1549 | if (verbose > 1) { |
1550 | rprintf(FINFO, "backed up %s to %s\n", | |
45c49b52 | 1551 | fname, backupptr); |
41cfde6b | 1552 | } |
e86ae6bc WD |
1553 | free(back_file); |
1554 | } | |
41cfde6b | 1555 | |
e86ae6bc | 1556 | close(fd); |
2f03f956 AT |
1557 | } |
1558 | ||
ef20efcb | 1559 | void generate_files(int f_out, struct file_list *flist, char *local_name) |
2f03f956 | 1560 | { |
ac40b747 | 1561 | int i; |
968c8030 | 1562 | char fbuf[MAXPATHLEN]; |
e912bd4d | 1563 | int itemizing, maybe_ATTRS_REPORT; |
7433d73a | 1564 | enum logcode code; |
ac40b747 | 1565 | int lull_mod = allowed_lull * 5; |
3ea9bbd6 WD |
1566 | int need_retouch_dir_times = preserve_times && !omit_dir_times; |
1567 | int need_retouch_dir_perms = 0; | |
e90aab49 WD |
1568 | int save_ignore_existing = ignore_existing; |
1569 | int save_ignore_non_existing = ignore_non_existing; | |
083acd49 | 1570 | int save_do_progress = do_progress; |
cd908ef4 | 1571 | int save_make_backups = make_backups; |
88a16c8b | 1572 | int dir_tweaking = !(list_only || local_name || dry_run); |
ee1d11c4 | 1573 | |
7433d73a WD |
1574 | if (protocol_version >= 29) { |
1575 | itemizing = 1; | |
17bda2d1 | 1576 | maybe_ATTRS_REPORT = stdout_format_has_i ? 0 : ATTRS_REPORT; |
f4164b73 | 1577 | code = logfile_format_has_i ? FNONE : FLOG; |
7433d73a | 1578 | } else if (am_daemon) { |
ecc7623e | 1579 | itemizing = logfile_format_has_i && do_xfers; |
e912bd4d | 1580 | maybe_ATTRS_REPORT = ATTRS_REPORT; |
beb51aa0 | 1581 | code = itemizing || !do_xfers ? FCLIENT : FINFO; |
7433d73a | 1582 | } else if (!am_server) { |
17bda2d1 WD |
1583 | itemizing = stdout_format_has_i; |
1584 | maybe_ATTRS_REPORT = stdout_format_has_i ? 0 : ATTRS_REPORT; | |
f4164b73 | 1585 | code = itemizing ? FNONE : FINFO; |
7433d73a WD |
1586 | } else { |
1587 | itemizing = 0; | |
e912bd4d | 1588 | maybe_ATTRS_REPORT = ATTRS_REPORT; |
7433d73a WD |
1589 | code = FINFO; |
1590 | } | |
2f03f956 | 1591 | |
45e08edb WD |
1592 | if (verbose > 2) { |
1593 | rprintf(FINFO, "generator starting pid=%ld count=%d\n", | |
1594 | (long)getpid(), flist->count); | |
1595 | } | |
2f03f956 | 1596 | |
59faec8b | 1597 | if (delete_before && !local_name && flist->count > 0) |
ee1d11c4 | 1598 | do_delete_pass(flist); |
5e77efaf WD |
1599 | if (delete_during == 2) |
1600 | start_delete_temp(); | |
083acd49 | 1601 | do_progress = 0; |
59faec8b | 1602 | |
6cc11982 | 1603 | if (append_mode || whole_file < 0) |
33ab4ad8 | 1604 | whole_file = 0; |
3e7053ac | 1605 | if (verbose >= 2) { |
1b1fef20 | 1606 | rprintf(FINFO, "delta-transmission %s\n", |
33ab4ad8 | 1607 | whole_file |
1b1fef20 WD |
1608 | ? "disabled for local transfer or --whole-file" |
1609 | : "enabled"); | |
3e7053ac | 1610 | } |
2cda2560 | 1611 | |
513fd04d WD |
1612 | /* Since we often fill up the outgoing socket and then just sit around |
1613 | * waiting for the other 2 processes to do their thing, we don't want | |
1614 | * to exit on a timeout. If the data stops flowing, the receiver will | |
1615 | * notice that and let us know via the redo pipe (or its closing). */ | |
1616 | ignore_timeout = 1; | |
a57873b7 | 1617 | |
2f03f956 AT |
1618 | for (i = 0; i < flist->count; i++) { |
1619 | struct file_struct *file = flist->files[i]; | |
2f03f956 | 1620 | |
dfd5ba6a WD |
1621 | if (!file->basename) |
1622 | continue; | |
0492fdfb | 1623 | |
0e5665d3 WD |
1624 | if (local_name) |
1625 | strlcpy(fbuf, local_name, sizeof fbuf); | |
1626 | else | |
6cbde57d | 1627 | f_name(file, fbuf); |
e912bd4d | 1628 | recv_generator(fbuf, file, i, itemizing, maybe_ATTRS_REPORT, |
0e5665d3 | 1629 | code, f_out); |
1f7e29b9 | 1630 | |
0492fdfb WD |
1631 | /* We need to ensure that any dirs we create have writeable |
1632 | * permissions during the time we are putting files within | |
1633 | * them. This is then fixed after the transfer is done. */ | |
00b96184 | 1634 | #ifdef HAVE_CHMOD |
41b84ce0 | 1635 | if (!am_root && S_ISDIR(file->mode) && !(file->mode & S_IWUSR) |
88a16c8b | 1636 | && dir_tweaking) { |
e912bd4d | 1637 | mode_t mode = file->mode | S_IWUSR; /* user write */ |
1f7e29b9 | 1638 | char *fname = local_name ? local_name : fbuf; |
00b96184 | 1639 | if (do_chmod(fname, mode) < 0) { |
1f7e29b9 WD |
1640 | rsyserr(FERROR, errno, |
1641 | "failed to modify permissions on %s", | |
1642 | full_fname(fname)); | |
1643 | } | |
3ea9bbd6 | 1644 | need_retouch_dir_perms = 1; |
2f03f956 | 1645 | } |
00b96184 | 1646 | #endif |
2f03f956 | 1647 | |
ee1d11c4 WD |
1648 | if (preserve_hard_links) |
1649 | check_for_finished_hlinks(itemizing, code); | |
9ac2395b | 1650 | |
18a11cfd | 1651 | if (allowed_lull && !(i % lull_mod)) |
ee1d11c4 | 1652 | maybe_send_keepalive(); |
c2523a05 | 1653 | else if (!(i % 200)) |
417099fa | 1654 | maybe_flush_socket(); |
2f03f956 | 1655 | } |
ef20efcb | 1656 | recv_generator(NULL, NULL, 0, 0, 0, code, -1); |
c93fad5e | 1657 | if (delete_during) |
0e82af2d | 1658 | delete_in_dir(NULL, NULL, NULL, NULL); |
2f03f956 AT |
1659 | |
1660 | phase++; | |
1661 | csum_length = SUM_LENGTH; | |
02b5cb23 | 1662 | max_size = min_size = ignore_existing = ignore_non_existing = 0; |
0492fdfb | 1663 | update_only = always_checksum = size_only = 0; |
e1f67417 | 1664 | ignore_times = 1; |
6cc11982 WD |
1665 | if (append_mode) /* resend w/o append mode */ |
1666 | append_mode = -1; /* ... but only longer files */ | |
e6bc6f42 | 1667 | make_backups = 0; /* avoid a duplicate backup for inplace processing */ |
2f03f956 AT |
1668 | |
1669 | if (verbose > 2) | |
1670 | rprintf(FINFO,"generate_files phase=%d\n",phase); | |
1671 | ||
7daccb8e | 1672 | write_int(f_out, -1); |
2f03f956 | 1673 | |
bc63ae3f S |
1674 | /* files can cycle through the system more than once |
1675 | * to catch initial checksum errors */ | |
ee1d11c4 | 1676 | while ((i = get_redo_num(itemizing, code)) != -1) { |
bc63ae3f | 1677 | struct file_struct *file = flist->files[i]; |
0e5665d3 WD |
1678 | if (local_name) |
1679 | strlcpy(fbuf, local_name, sizeof fbuf); | |
1680 | else | |
6cbde57d | 1681 | f_name(file, fbuf); |
e912bd4d | 1682 | recv_generator(fbuf, file, i, itemizing, maybe_ATTRS_REPORT, |
0e5665d3 | 1683 | code, f_out); |
bc63ae3f | 1684 | } |
2f03f956 | 1685 | |
bc63ae3f | 1686 | phase++; |
e90aab49 WD |
1687 | ignore_non_existing = save_ignore_non_existing; |
1688 | ignore_existing = save_ignore_existing; | |
cd908ef4 | 1689 | make_backups = save_make_backups; |
0492fdfb | 1690 | |
bc63ae3f S |
1691 | if (verbose > 2) |
1692 | rprintf(FINFO,"generate_files phase=%d\n",phase); | |
2f03f956 | 1693 | |
7daccb8e | 1694 | write_int(f_out, -1); |
70352269 WD |
1695 | /* Reduce round-trip lag-time for a useless delay-updates phase. */ |
1696 | if (protocol_version >= 29 && !delay_updates) | |
1697 | write_int(f_out, -1); | |
6dff5992 | 1698 | |
0438f100 | 1699 | /* Read MSG_DONE for the redo phase (and any prior messages). */ |
ee1d11c4 | 1700 | get_redo_num(itemizing, code); |
6dff5992 | 1701 | |
0438f100 WD |
1702 | if (protocol_version >= 29) { |
1703 | phase++; | |
1704 | if (verbose > 2) | |
1705 | rprintf(FINFO, "generate_files phase=%d\n", phase); | |
70352269 WD |
1706 | if (delay_updates) |
1707 | write_int(f_out, -1); | |
1708 | /* Read MSG_DONE for delay-updates phase & prior messages. */ | |
0438f100 WD |
1709 | get_redo_num(itemizing, code); |
1710 | } | |
1711 | ||
083acd49 | 1712 | do_progress = save_do_progress; |
5e77efaf WD |
1713 | if (delete_delay_fp) |
1714 | delayed_deletions(fbuf); | |
59faec8b | 1715 | if (delete_after && !local_name && flist->count > 0) |
ee1d11c4 | 1716 | do_delete_pass(flist); |
59faec8b | 1717 | |
88a16c8b | 1718 | if ((need_retouch_dir_perms || need_retouch_dir_times) && dir_tweaking) { |
18a11cfd | 1719 | int j = 0; |
3ea9bbd6 WD |
1720 | /* Now we need to fix any directory permissions that were |
1721 | * modified during the transfer and/or re-set any tweaked | |
1722 | * modified-time values. */ | |
1723 | for (i = 0; i < flist->count; i++) { | |
1724 | struct file_struct *file = flist->files[i]; | |
b435d717 | 1725 | |
3ea9bbd6 WD |
1726 | if (!file->basename || !S_ISDIR(file->mode)) |
1727 | continue; | |
1728 | if (!need_retouch_dir_times && file->mode & S_IWUSR) | |
1729 | continue; | |
caff3322 WD |
1730 | if (file->flags & FLAG_MISSING) { |
1731 | int missing = file->dir.depth; | |
1732 | while (++i < flist->count) { | |
1733 | file = flist->files[i]; | |
1734 | if (file->dir.depth <= missing) | |
1735 | break; | |
1736 | } | |
1737 | i--; | |
1738 | continue; | |
1739 | } | |
6cbde57d | 1740 | recv_generator(f_name(file, NULL), file, i, itemizing, |
e912bd4d | 1741 | maybe_ATTRS_REPORT, code, -1); |
417099fa | 1742 | if (allowed_lull && !(++j % lull_mod)) |
ee1d11c4 | 1743 | maybe_send_keepalive(); |
c2523a05 | 1744 | else if (!(j % 200)) |
417099fa | 1745 | maybe_flush_socket(); |
3ea9bbd6 | 1746 | } |
6dff5992 | 1747 | } |
ef20efcb | 1748 | recv_generator(NULL, NULL, 0, 0, 0, code, -1); |
6dff5992 | 1749 | |
e5e85283 | 1750 | if (max_delete >= 0 && deletion_count > max_delete) { |
f75a53e7 WD |
1751 | rprintf(FINFO, |
1752 | "Deletions stopped due to --max-delete limit (%d skipped)\n", | |
1753 | deletion_count - max_delete); | |
1754 | io_error |= IOERR_DEL_LIMIT; | |
1755 | } | |
1756 | ||
6dff5992 WD |
1757 | if (verbose > 2) |
1758 | rprintf(FINFO,"generate_files finished\n"); | |
2f03f956 | 1759 | } |