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; |
b9f592fb | 81 | extern int read_batch; |
5774786f | 82 | extern int safe_symlinks; |
a255c592 | 83 | extern long block_size; /* "long" because popt can't set an int32. */ |
59faec8b WD |
84 | extern int max_delete; |
85 | extern int force_delete; | |
0e82af2d | 86 | extern int one_file_system; |
6c3862fa | 87 | extern struct stats stats; |
0e82af2d | 88 | extern dev_t filesystem_dev; |
59faec8b WD |
89 | extern char *backup_dir; |
90 | extern char *backup_suffix; | |
91 | extern int backup_suffix_len; | |
ee1d11c4 | 92 | extern struct file_list *the_file_list; |
7842418b | 93 | extern struct filter_list_struct server_filter_list; |
97f9dcae | 94 | |
59faec8b WD |
95 | static int deletion_count = 0; /* used to implement --max-delete */ |
96 | ||
d71dad3b WD |
97 | /* For calling delete_file() */ |
98 | #define DEL_FORCE_RECURSE (1<<1) /* recurse even w/o --force */ | |
99 | #define DEL_TERSE (1<<3) | |
100 | ||
59faec8b WD |
101 | |
102 | static int is_backup_file(char *fn) | |
103 | { | |
104 | int k = strlen(fn) - backup_suffix_len; | |
105 | return k > 0 && strcmp(fn+k, backup_suffix) == 0; | |
106 | } | |
107 | ||
108 | ||
109 | /* Delete a file or directory. If DEL_FORCE_RECURSE is set in the flags, or if | |
d71dad3b | 110 | * force_delete is set, this will delete recursively. |
0e5665d3 WD |
111 | * |
112 | * Note that fname must point to a MAXPATHLEN buffer if the mode indicates it's | |
113 | * a directory! (The buffer is used for recursion, but returned unchanged.) | |
114 | */ | |
59faec8b WD |
115 | static int delete_item(char *fname, int mode, int flags) |
116 | { | |
117 | struct file_list *dirlist; | |
59faec8b | 118 | int j, dlen, zap_dir, ok; |
0e5665d3 | 119 | unsigned remainder; |
59faec8b | 120 | void *save_filters; |
0e5665d3 | 121 | char *p; |
59faec8b | 122 | |
59faec8b | 123 | if (!S_ISDIR(mode)) { |
f75a53e7 WD |
124 | if (max_delete && ++deletion_count > max_delete) |
125 | return 0; | |
59faec8b WD |
126 | if (make_backups && (backup_dir || !is_backup_file(fname))) |
127 | ok = make_backup(fname); | |
128 | else | |
129 | ok = robust_unlink(fname) == 0; | |
130 | if (ok) { | |
131 | if (!(flags & DEL_TERSE)) | |
132 | log_delete(fname, mode); | |
59faec8b WD |
133 | return 0; |
134 | } | |
f75a53e7 WD |
135 | if (errno == ENOENT) { |
136 | deletion_count--; | |
59faec8b | 137 | return 0; |
f75a53e7 | 138 | } |
59faec8b WD |
139 | rsyserr(FERROR, errno, "delete_file: unlink %s failed", |
140 | full_fname(fname)); | |
141 | return -1; | |
142 | } | |
143 | ||
4d167803 | 144 | zap_dir = flags & DEL_FORCE_RECURSE || force_delete; |
f75a53e7 WD |
145 | if ((max_delete && ++deletion_count > max_delete) |
146 | || (dry_run && zap_dir)) { | |
59faec8b WD |
147 | ok = 0; |
148 | errno = ENOTEMPTY; | |
149 | } else if (make_backups && !backup_dir && !is_backup_file(fname) | |
150 | && !(flags & DEL_FORCE_RECURSE)) | |
151 | ok = make_backup(fname); | |
152 | else | |
153 | ok = do_rmdir(fname) == 0; | |
154 | if (ok) { | |
155 | if (!(flags & DEL_TERSE)) | |
156 | log_delete(fname, mode); | |
59faec8b WD |
157 | return 0; |
158 | } | |
f75a53e7 WD |
159 | if (errno == ENOENT) { |
160 | deletion_count--; | |
59faec8b | 161 | return 0; |
f75a53e7 | 162 | } |
26beb786 | 163 | if (!zap_dir) { |
59faec8b WD |
164 | rsyserr(FERROR, errno, "delete_file: rmdir %s failed", |
165 | full_fname(fname)); | |
166 | return -1; | |
167 | } | |
f62eaa24 | 168 | flags |= DEL_FORCE_RECURSE; /* mark subdir dels as not "in the way" */ |
f75a53e7 | 169 | deletion_count--; |
59faec8b | 170 | |
0e5665d3 WD |
171 | dlen = strlen(fname); |
172 | save_filters = push_local_filters(fname, dlen); | |
173 | ||
174 | dirlist = get_dirlist(fname, dlen, 0); | |
175 | ||
176 | p = fname + dlen; | |
177 | if (dlen != 1 || *fname != '/') | |
178 | *p++ = '/'; | |
179 | remainder = MAXPATHLEN - (p - fname); | |
59faec8b | 180 | |
59faec8b WD |
181 | for (j = dirlist->count; j--; ) { |
182 | struct file_struct *fp = dirlist->files[j]; | |
183 | ||
184 | if (fp->flags & FLAG_MOUNT_POINT) | |
185 | continue; | |
186 | ||
0e5665d3 WD |
187 | strlcpy(p, fp->basename, remainder); |
188 | delete_item(fname, fp->mode, flags & ~DEL_TERSE); | |
59faec8b WD |
189 | } |
190 | flist_free(dirlist); | |
191 | ||
0e5665d3 WD |
192 | fname[dlen] = '\0'; |
193 | ||
59faec8b WD |
194 | pop_local_filters(save_filters); |
195 | ||
f75a53e7 WD |
196 | if (max_delete && ++deletion_count > max_delete) |
197 | return 0; | |
59faec8b WD |
198 | |
199 | if (do_rmdir(fname) == 0) { | |
200 | if (!(flags & DEL_TERSE)) | |
201 | log_delete(fname, mode); | |
4d474ad5 | 202 | } else if (errno != ENOTEMPTY && errno != EEXIST && errno != ENOENT) { |
59faec8b WD |
203 | rsyserr(FERROR, errno, "delete_file: rmdir %s failed", |
204 | full_fname(fname)); | |
205 | return -1; | |
206 | } | |
207 | ||
208 | return 0; | |
209 | } | |
210 | ||
211 | ||
212 | /* This function is used to implement per-directory deletion, and is used by | |
213 | * all the --delete-WHEN options. Note that the fbuf pointer must point to a | |
214 | * MAXPATHLEN buffer with the name of the directory in it (the functions we | |
215 | * call will append names onto the end, but the old dir value will be restored | |
216 | * on exit). */ | |
217 | static void delete_in_dir(struct file_list *flist, char *fbuf, | |
0e82af2d | 218 | struct file_struct *file, STRUCT_STAT *stp) |
59faec8b WD |
219 | { |
220 | static int min_depth = MAXPATHLEN, cur_depth = -1; | |
221 | static void *filt_array[MAXPATHLEN/2+1]; | |
717b0430 | 222 | static int already_warned = 0; |
59faec8b WD |
223 | struct file_list *dirlist; |
224 | char delbuf[MAXPATHLEN]; | |
468d7668 | 225 | int dlen, i; |
59faec8b WD |
226 | |
227 | if (!flist) { | |
228 | while (cur_depth >= min_depth) | |
229 | pop_local_filters(filt_array[cur_depth--]); | |
230 | min_depth = MAXPATHLEN; | |
231 | cur_depth = -1; | |
232 | return; | |
233 | } | |
234 | ||
235 | if (verbose > 2) | |
45c49b52 | 236 | rprintf(FINFO, "delete_in_dir(%s)\n", fbuf); |
59faec8b WD |
237 | |
238 | if (allowed_lull) | |
ee1d11c4 | 239 | maybe_send_keepalive(); |
59faec8b WD |
240 | |
241 | if (file->dir.depth >= MAXPATHLEN/2+1) | |
242 | return; /* Impossible... */ | |
243 | ||
59faec8b | 244 | if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) { |
717b0430 | 245 | if (already_warned) |
f75a53e7 | 246 | return; |
59faec8b WD |
247 | rprintf(FINFO, |
248 | "IO error encountered -- skipping file deletion\n"); | |
717b0430 | 249 | already_warned = 1; |
59faec8b WD |
250 | return; |
251 | } | |
252 | ||
253 | while (cur_depth >= file->dir.depth && cur_depth >= min_depth) | |
254 | pop_local_filters(filt_array[cur_depth--]); | |
255 | cur_depth = file->dir.depth; | |
256 | if (min_depth > cur_depth) | |
257 | min_depth = cur_depth; | |
258 | dlen = strlen(fbuf); | |
259 | filt_array[cur_depth] = push_local_filters(fbuf, dlen); | |
260 | ||
0e82af2d WD |
261 | if (one_file_system) { |
262 | if (file->flags & FLAG_TOP_DIR) | |
263 | filesystem_dev = stp->st_dev; | |
264 | else if (filesystem_dev != stp->st_dev) | |
265 | return; | |
266 | } | |
59faec8b | 267 | |
59faec8b WD |
268 | dirlist = get_dirlist(fbuf, dlen, 0); |
269 | ||
270 | /* If an item in dirlist is not found in flist, delete it | |
271 | * from the filesystem. */ | |
272 | for (i = dirlist->count; i--; ) { | |
f3ab64d3 | 273 | struct file_struct *fp = dirlist->files[i]; |
0e82af2d | 274 | if (!fp->basename || fp->flags & FLAG_MOUNT_POINT) |
bb0d8edf | 275 | continue; |
468d7668 | 276 | if (flist_find(flist, fp) < 0) { |
6cbde57d | 277 | f_name(fp, delbuf); |
e912bd4d | 278 | delete_item(delbuf, fp->mode, DEL_FORCE_RECURSE); |
468d7668 | 279 | } |
59faec8b WD |
280 | } |
281 | ||
282 | flist_free(dirlist); | |
283 | } | |
284 | ||
285 | /* This deletes any files on the receiving side that are not present on the | |
286 | * sending side. This is used by --delete-before and --delete-after. */ | |
ee1d11c4 | 287 | static void do_delete_pass(struct file_list *flist) |
59faec8b WD |
288 | { |
289 | char fbuf[MAXPATHLEN]; | |
bb0d8edf | 290 | STRUCT_STAT st; |
59faec8b WD |
291 | int j; |
292 | ||
caff3322 WD |
293 | /* dry_run is incremented when the destination doesn't exist yet. */ |
294 | if (dry_run > 1 || list_only) | |
f75a53e7 WD |
295 | return; |
296 | ||
59faec8b WD |
297 | for (j = 0; j < flist->count; j++) { |
298 | struct file_struct *file = flist->files[j]; | |
299 | ||
300 | if (!(file->flags & FLAG_DEL_HERE)) | |
301 | continue; | |
302 | ||
6cbde57d | 303 | f_name(file, fbuf); |
59faec8b | 304 | if (verbose > 1 && file->flags & FLAG_TOP_DIR) |
45c49b52 | 305 | rprintf(FINFO, "deleting in %s\n", fbuf); |
59faec8b | 306 | |
bb0d8edf WD |
307 | if (link_stat(fbuf, &st, keep_dirlinks) < 0 |
308 | || !S_ISDIR(st.st_mode)) | |
309 | continue; | |
310 | ||
0e82af2d | 311 | delete_in_dir(flist, fbuf, file, &st); |
59faec8b | 312 | } |
0e82af2d | 313 | delete_in_dir(NULL, NULL, NULL, NULL); |
0e5665d3 | 314 | |
a06e2b7c WD |
315 | if (do_progress && !am_server) |
316 | rprintf(FINFO, " \r"); | |
59faec8b WD |
317 | } |
318 | ||
48224e4c | 319 | int unchanged_attrs(struct file_struct *file, STRUCT_STAT *st) |
2f03f956 | 320 | { |
b7e8628c WD |
321 | if (preserve_perms |
322 | && (st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS)) | |
84acca07 | 323 | return 0; |
bb24028f | 324 | |
7b6fa00f | 325 | if (am_root && preserve_uid && st->st_uid != file->uid) |
b7e8628c | 326 | return 0; |
bb24028f | 327 | |
7b6fa00f | 328 | if (preserve_gid && file->gid != GID_NONE && st->st_gid != file->gid) |
b7e8628c WD |
329 | return 0; |
330 | ||
331 | return 1; | |
332 | } | |
333 | ||
ee1d11c4 | 334 | void itemize(struct file_struct *file, int ndx, int statret, STRUCT_STAT *st, |
ef20efcb | 335 | int32 iflags, uchar fnamecmp_type, char *xname) |
06a1dbad | 336 | { |
48224e4c WD |
337 | if (statret >= 0) { /* A from-dest-dir statret can == 1! */ |
338 | int keep_time = !preserve_times ? 0 | |
339 | : S_ISDIR(file->mode) ? !omit_dir_times | |
340 | : !S_ISLNK(file->mode); | |
341 | ||
c557eb8c WD |
342 | if (S_ISREG(file->mode) && file->length != st->st_size) |
343 | iflags |= ITEM_REPORT_SIZE; | |
48224e4c WD |
344 | if ((iflags & (ITEM_TRANSFER|ITEM_LOCAL_CHANGE) && !keep_time |
345 | && (!(iflags & ITEM_XNAME_FOLLOWS) || *xname)) | |
0f86c74e | 346 | || (keep_time && cmp_time(file->modtime, st->st_mtime) != 0)) |
48224e4c | 347 | iflags |= ITEM_REPORT_TIME; |
b9887818 | 348 | if ((file->mode & CHMOD_BITS) != (st->st_mode & CHMOD_BITS)) |
48224e4c | 349 | iflags |= ITEM_REPORT_PERMS; |
7b6fa00f | 350 | if (preserve_uid && am_root && file->uid != st->st_uid) |
48224e4c | 351 | iflags |= ITEM_REPORT_OWNER; |
7b6fa00f WD |
352 | if (preserve_gid && file->gid != GID_NONE |
353 | && st->st_gid != file->gid) | |
48224e4c | 354 | iflags |= ITEM_REPORT_GROUP; |
ef20efcb | 355 | } else |
ee1d11c4 | 356 | iflags |= ITEM_IS_NEW; |
c557eb8c | 357 | |
a1d23b53 | 358 | iflags &= 0xffff; |
ee1d11c4 | 359 | if ((iflags & SIGNIFICANT_ITEM_FLAGS || verbose > 1 |
17bda2d1 | 360 | || stdout_format_has_i > 1 || (xname && *xname)) && !read_batch) { |
6c3862fa WD |
361 | if (protocol_version >= 29) { |
362 | if (ndx >= 0) | |
ee1d11c4 WD |
363 | write_int(sock_f_out, ndx); |
364 | write_shortint(sock_f_out, iflags); | |
ef20efcb WD |
365 | if (iflags & ITEM_BASIS_TYPE_FOLLOWS) |
366 | write_byte(sock_f_out, fnamecmp_type); | |
367 | if (iflags & ITEM_XNAME_FOLLOWS) | |
368 | write_vstring(sock_f_out, xname, strlen(xname)); | |
1925c344 WD |
369 | } else if (ndx >= 0) { |
370 | enum logcode code = logfile_format_has_i ? FINFO : FCLIENT; | |
371 | log_item(code, file, &stats, iflags, xname); | |
372 | } | |
06a1dbad WD |
373 | } |
374 | } | |
375 | ||
376 | ||
b7e8628c | 377 | /* Perform our quick-check heuristic for determining if a file is unchanged. */ |
48224e4c | 378 | int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st) |
b7e8628c WD |
379 | { |
380 | if (st->st_size != file->length) | |
381 | return 0; | |
59c95e42 | 382 | |
2cda2560 | 383 | /* if always checksum is set then we use the checksum instead |
2f03f956 AT |
384 | of the file time to determine whether to sync */ |
385 | if (always_checksum && S_ISREG(st->st_mode)) { | |
386 | char sum[MD4_SUM_LENGTH]; | |
b7e8628c | 387 | file_checksum(fn, sum, st->st_size); |
cfe39780 | 388 | return memcmp(sum, file->u.sum, checksum_len) == 0; |
2f03f956 AT |
389 | } |
390 | ||
cc1e997d | 391 | if (size_only) |
84acca07 | 392 | return 1; |
2f03f956 | 393 | |
cc1e997d | 394 | if (ignore_times) |
84acca07 | 395 | return 0; |
cc1e997d | 396 | |
0f86c74e | 397 | return cmp_time(st->st_mtime, file->modtime) == 0; |
2f03f956 AT |
398 | } |
399 | ||
400 | ||
ec8290c8 | 401 | /* |
195bd906 | 402 | * set (initialize) the size entries in the per-file sum_struct |
ec8290c8 | 403 | * calculating dynamic block and checksum sizes. |
195bd906 | 404 | * |
ec8290c8 | 405 | * This is only called from generate_and_send_sums() but is a separate |
195bd906 S |
406 | * function to encapsulate the logic. |
407 | * | |
408 | * The block size is a rounded square root of file length. | |
409 | * | |
410 | * The checksum size is determined according to: | |
ed7e7955 | 411 | * blocksum_bits = BLOCKSUM_BIAS + 2*log2(file_len) - log2(block_len) |
195bd906 S |
412 | * provided by Donovan Baarda which gives a probability of rsync |
413 | * algorithm corrupting data and falling back using the whole md4 | |
414 | * checksums. | |
415 | * | |
416 | * This might be made one of several selectable heuristics. | |
417 | */ | |
1490812a | 418 | static void sum_sizes_sqroot(struct sum_struct *sum, int64 len) |
195bd906 | 419 | { |
a255c592 | 420 | int32 blength; |
da9d12f5 | 421 | int s2length; |
195bd906 | 422 | |
a255c592 | 423 | if (block_size) |
195bd906 | 424 | blength = block_size; |
a255c592 | 425 | else if (len <= BLOCK_SIZE * BLOCK_SIZE) |
195bd906 | 426 | blength = BLOCK_SIZE; |
a255c592 WD |
427 | else { |
428 | int32 c; | |
1490812a | 429 | int64 l; |
eae7165c WD |
430 | int cnt; |
431 | for (c = 1, l = len, cnt = 0; l >>= 2; c <<= 1, cnt++) {} | |
432 | if (cnt >= 31 || c >= MAX_BLOCK_SIZE) | |
433 | blength = MAX_BLOCK_SIZE; | |
434 | else { | |
435 | blength = 0; | |
436 | do { | |
437 | blength |= c; | |
1490812a | 438 | if (len < (int64)blength * blength) |
eae7165c WD |
439 | blength &= ~c; |
440 | c >>= 1; | |
441 | } while (c >= 8); /* round to multiple of 8 */ | |
442 | blength = MAX(blength, BLOCK_SIZE); | |
195bd906 | 443 | } |
195bd906 S |
444 | } |
445 | ||
d04e9c51 | 446 | if (protocol_version < 27) { |
195bd906 S |
447 | s2length = csum_length; |
448 | } else if (csum_length == SUM_LENGTH) { | |
449 | s2length = SUM_LENGTH; | |
450 | } else { | |
a255c592 | 451 | int32 c; |
1490812a | 452 | int64 l; |
da9d12f5 | 453 | int b = BLOCKSUM_BIAS; |
a255c592 WD |
454 | for (l = len; l >>= 1; b += 2) {} |
455 | for (c = blength; c >>= 1 && b; b--) {} | |
456 | /* add a bit, subtract rollsum, round up. */ | |
457 | s2length = (b + 1 - 32 + 7) / 8; /* --optimize in compiler-- */ | |
195bd906 S |
458 | s2length = MAX(s2length, csum_length); |
459 | s2length = MIN(s2length, SUM_LENGTH); | |
460 | } | |
461 | ||
462 | sum->flength = len; | |
463 | sum->blength = blength; | |
464 | sum->s2length = s2length; | |
a5b786d8 WD |
465 | sum->remainder = len % blength; |
466 | sum->count = len / blength + (sum->remainder != 0); | |
195bd906 S |
467 | |
468 | if (sum->count && verbose > 2) { | |
a255c592 WD |
469 | rprintf(FINFO, |
470 | "count=%.0f rem=%ld blength=%ld s2length=%d flength=%.0f\n", | |
471 | (double)sum->count, (long)sum->remainder, (long)sum->blength, | |
da9d12f5 | 472 | sum->s2length, (double)sum->flength); |
195bd906 S |
473 | } |
474 | } | |
80605142 | 475 | |
bceec82f | 476 | |
80605142 WD |
477 | /* |
478 | * Generate and send a stream of signatures/checksums that describe a buffer | |
e66dfd18 | 479 | * |
80605142 WD |
480 | * Generate approximately one checksum every block_len bytes. |
481 | */ | |
cd6aa5b5 | 482 | static void generate_and_send_sums(int fd, OFF_T len, int f_out, int f_copy) |
2f03f956 | 483 | { |
a1cbe76e | 484 | int32 i; |
6e45e1dd | 485 | struct map_struct *mapbuf; |
80605142 | 486 | struct sum_struct sum; |
2f03f956 AT |
487 | OFF_T offset = 0; |
488 | ||
423dba8e | 489 | sum_sizes_sqroot(&sum, len); |
6cc11982 WD |
490 | write_sum_head(f_out, &sum); |
491 | ||
492 | if (append_mode > 0 && f_copy < 0) | |
493 | return; | |
e66dfd18 | 494 | |
6e45e1dd | 495 | if (len > 0) |
96d910c7 | 496 | mapbuf = map_file(fd, len, MAX_MAP_SIZE, sum.blength); |
6e45e1dd WD |
497 | else |
498 | mapbuf = NULL; | |
499 | ||
80605142 | 500 | for (i = 0; i < sum.count; i++) { |
a255c592 | 501 | int32 n1 = (int32)MIN(len, (OFF_T)sum.blength); |
6e45e1dd | 502 | char *map = map_ptr(mapbuf, offset, n1); |
80605142 | 503 | char sum2[SUM_LENGTH]; |
6cc11982 WD |
504 | uint32 sum1; |
505 | ||
506 | len -= n1; | |
507 | offset += n1; | |
2f03f956 | 508 | |
6cc11982 | 509 | if (f_copy >= 0) { |
cd6aa5b5 | 510 | full_write(f_copy, map, n1); |
6cc11982 WD |
511 | if (append_mode > 0) |
512 | continue; | |
513 | } | |
cd6aa5b5 | 514 | |
6cc11982 | 515 | sum1 = get_checksum1(map, n1); |
80605142 | 516 | get_checksum2(map, n1, sum2); |
2f03f956 | 517 | |
80605142 | 518 | if (verbose > 3) { |
e66dfd18 | 519 | rprintf(FINFO, |
a255c592 | 520 | "chunk[%.0f] offset=%.0f len=%ld sum1=%08lx\n", |
6cc11982 | 521 | (double)i, (double)offset - n1, (long)n1, |
0e36d9da | 522 | (unsigned long)sum1); |
80605142 WD |
523 | } |
524 | write_int(f_out, sum1); | |
fc0257c9 | 525 | write_buf(f_out, sum2, sum.s2length); |
2f03f956 | 526 | } |
6e45e1dd WD |
527 | |
528 | if (mapbuf) | |
529 | unmap_file(mapbuf); | |
2f03f956 AT |
530 | } |
531 | ||
06a1dbad | 532 | |
8e85be0a WD |
533 | /* Try to find a filename in the same dir as "fname" with a similar name. */ |
534 | static int find_fuzzy(struct file_struct *file, struct file_list *dirlist) | |
535 | { | |
536 | int fname_len, fname_suf_len; | |
537 | const char *fname_suf, *fname = file->basename; | |
f328e0f3 | 538 | uint32 lowest_dist = 25 << 16; /* ignore a distance greater than 25 */ |
8e85be0a WD |
539 | int j, lowest_j = -1; |
540 | ||
541 | fname_len = strlen(fname); | |
542 | fname_suf = find_filename_suffix(fname, fname_len, &fname_suf_len); | |
543 | ||
544 | for (j = 0; j < dirlist->count; j++) { | |
545 | struct file_struct *fp = dirlist->files[j]; | |
546 | const char *suf, *name; | |
547 | int len, suf_len; | |
548 | uint32 dist; | |
549 | ||
550 | if (!S_ISREG(fp->mode) || !fp->length | |
551 | || fp->flags & FLAG_NO_FUZZY) | |
552 | continue; | |
553 | ||
554 | name = fp->basename; | |
555 | ||
556 | if (fp->length == file->length | |
0f86c74e | 557 | && cmp_time(fp->modtime, file->modtime) == 0) { |
8e85be0a WD |
558 | if (verbose > 4) { |
559 | rprintf(FINFO, | |
560 | "fuzzy size/modtime match for %s\n", | |
561 | name); | |
562 | } | |
563 | return j; | |
564 | } | |
565 | ||
566 | len = strlen(name); | |
567 | suf = find_filename_suffix(name, len, &suf_len); | |
568 | ||
569 | dist = fuzzy_distance(name, len, fname, fname_len); | |
570 | /* Add some extra weight to how well the suffixes match. */ | |
571 | dist += fuzzy_distance(suf, suf_len, fname_suf, fname_suf_len) | |
572 | * 10; | |
573 | if (verbose > 4) { | |
574 | rprintf(FINFO, "fuzzy distance for %s = %d.%05d\n", | |
575 | name, (int)(dist>>16), (int)(dist&0xFFFF)); | |
576 | } | |
577 | if (dist <= lowest_dist) { | |
578 | lowest_dist = dist; | |
579 | lowest_j = j; | |
580 | } | |
581 | } | |
582 | ||
583 | return lowest_j; | |
584 | } | |
585 | ||
ee1d11c4 WD |
586 | void check_for_finished_hlinks(int itemizing, enum logcode code) |
587 | { | |
588 | struct file_struct *file; | |
589 | int ndx; | |
590 | ||
591 | while ((ndx = get_hlink_num()) != -1) { | |
592 | if (ndx < 0 || ndx >= the_file_list->count) | |
593 | continue; | |
594 | ||
595 | file = the_file_list->files[ndx]; | |
596 | if (!file->link_u.links) | |
597 | continue; | |
598 | ||
599 | hard_link_cluster(file, ndx, itemizing, code); | |
600 | } | |
601 | } | |
2f03f956 | 602 | |
48224e4c WD |
603 | /* This is only called for regular files. We return -2 if we've finished |
604 | * handling the file, -1 if no dest-linking occurred, or a non-negative | |
605 | * value if we found an alternate basis file. */ | |
606 | static int try_dests_reg(struct file_struct *file, char *fname, int ndx, | |
607 | char *cmpbuf, STRUCT_STAT *stp, int itemizing, | |
e912bd4d | 608 | int maybe_ATTRS_REPORT, enum logcode code) |
48224e4c | 609 | { |
e71c1c26 | 610 | int save_ignore_times = ignore_times; |
48224e4c WD |
611 | int best_match = -1; |
612 | int match_level = 0; | |
613 | int j = 0; | |
614 | ||
6bfc7b4d WD |
615 | /* We can't let ignore_times affect the unchanged_file() test in |
616 | * an alternate-dest dir or we will never find any matches. */ | |
617 | ignore_times = 0; | |
e71c1c26 | 618 | |
48224e4c WD |
619 | do { |
620 | pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname); | |
621 | if (link_stat(cmpbuf, stp, 0) < 0 || !S_ISREG(stp->st_mode)) | |
622 | continue; | |
623 | switch (match_level) { | |
624 | case 0: | |
625 | best_match = j; | |
626 | match_level = 1; | |
627 | /* FALL THROUGH */ | |
628 | case 1: | |
629 | if (!unchanged_file(cmpbuf, file, stp)) | |
630 | continue; | |
631 | best_match = j; | |
632 | match_level = 2; | |
633 | /* FALL THROUGH */ | |
634 | case 2: | |
635 | if (!unchanged_attrs(file, stp)) | |
636 | continue; | |
6bfc7b4d | 637 | if (always_checksum && preserve_times |
0f86c74e | 638 | && cmp_time(stp->st_mtime, file->modtime)) |
48224e4c WD |
639 | continue; |
640 | best_match = j; | |
641 | match_level = 3; | |
642 | break; | |
643 | } | |
644 | break; | |
645 | } while (basis_dir[++j] != NULL); | |
646 | ||
e71c1c26 | 647 | ignore_times = save_ignore_times; |
e71c1c26 | 648 | |
48224e4c WD |
649 | if (!match_level) |
650 | return -1; | |
651 | ||
652 | if (j != best_match) { | |
653 | j = best_match; | |
654 | pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname); | |
655 | if (link_stat(cmpbuf, stp, 0) < 0) | |
656 | match_level = 0; | |
657 | } | |
658 | ||
48224e4c | 659 | if (match_level == 3 && !copy_dest) { |
40410a38 | 660 | #ifdef SUPPORT_HARD_LINKS |
48224e4c WD |
661 | if (link_dest) { |
662 | if (hard_link_one(file, ndx, fname, 0, stp, | |
663 | cmpbuf, 1, | |
664 | itemizing && verbose > 1, | |
665 | code) < 0) | |
666 | goto try_a_copy; | |
3447d610 WD |
667 | if (preserve_hard_links && file->link_u.links) |
668 | hard_link_cluster(file, ndx, itemizing, code); | |
40410a38 WD |
669 | } else |
670 | #endif | |
671 | if (itemizing) | |
48224e4c | 672 | itemize(file, ndx, 0, stp, 0, 0, NULL); |
e912bd4d | 673 | if (verbose > 1 && maybe_ATTRS_REPORT) { |
1925c344 | 674 | rprintf(FCLIENT, "%s is uptodate\n", fname); |
48224e4c WD |
675 | } |
676 | return -2; | |
677 | } | |
48224e4c WD |
678 | |
679 | if (match_level >= 2) { | |
680 | try_a_copy: /* Copy the file locally. */ | |
681 | if (copy_file(cmpbuf, fname, file->mode) < 0) { | |
682 | if (verbose) { | |
3447d610 | 683 | rsyserr(FINFO, errno, "copy_file %s => %s", |
45c49b52 | 684 | full_fname(cmpbuf), fname); |
48224e4c WD |
685 | } |
686 | return -1; | |
687 | } | |
3447d610 WD |
688 | if (itemizing) |
689 | itemize(file, ndx, 0, stp, ITEM_LOCAL_CHANGE, 0, NULL); | |
e912bd4d WD |
690 | set_file_attrs(fname, file, NULL, 0); |
691 | if (maybe_ATTRS_REPORT | |
48224e4c WD |
692 | && ((!itemizing && verbose && match_level == 2) |
693 | || (verbose > 1 && match_level == 3))) { | |
1925c344 | 694 | code = match_level == 3 ? FCLIENT : FINFO; |
45c49b52 | 695 | rprintf(code, "%s%s\n", fname, |
48224e4c WD |
696 | match_level == 3 ? " is uptodate" : ""); |
697 | } | |
3447d610 WD |
698 | if (preserve_hard_links && file->link_u.links) |
699 | hard_link_cluster(file, ndx, itemizing, code); | |
48224e4c WD |
700 | return -2; |
701 | } | |
702 | ||
703 | return FNAMECMP_BASIS_DIR_LOW + j; | |
704 | } | |
705 | ||
706 | /* This is only called for non-regular files. We return -2 if we've finished | |
707 | * handling the file, or -1 if no dest-linking occurred. */ | |
708 | static int try_dests_non(struct file_struct *file, char *fname, int ndx, | |
1c6e9dfa WD |
709 | int itemizing, int maybe_ATTRS_REPORT, |
710 | enum logcode code) | |
48224e4c | 711 | { |
398612ba | 712 | char fnamebuf[MAXPATHLEN]; |
48224e4c | 713 | STRUCT_STAT st; |
398612ba | 714 | int i = 0; |
48224e4c WD |
715 | |
716 | do { | |
717 | pathjoin(fnamebuf, MAXPATHLEN, basis_dir[i], fname); | |
718 | if (link_stat(fnamebuf, &st, 0) < 0 || S_ISDIR(st.st_mode) | |
719 | || !unchanged_attrs(file, &st)) | |
720 | continue; | |
ba212fe0 | 721 | if (S_ISLNK(file->mode)) { |
bb0d8edf | 722 | #ifdef SUPPORT_LINKS |
398612ba WD |
723 | char lnk[MAXPATHLEN]; |
724 | int len; | |
48224e4c WD |
725 | if ((len = readlink(fnamebuf, lnk, MAXPATHLEN-1)) <= 0) |
726 | continue; | |
727 | lnk[len] = '\0'; | |
728 | if (strcmp(lnk, file->u.link) != 0) | |
bb0d8edf | 729 | #endif |
48224e4c | 730 | continue; |
ba212fe0 WD |
731 | } else if (IS_SPECIAL(file->mode)) { |
732 | if (!IS_SPECIAL(st.st_mode) || st.st_rdev != file->u.rdev) | |
733 | continue; | |
734 | } else if (IS_DEVICE(file->mode)) { | |
735 | if (!IS_DEVICE(st.st_mode) || st.st_rdev != file->u.rdev) | |
736 | continue; | |
5f93b4d3 WD |
737 | } else { |
738 | rprintf(FERROR, | |
739 | "internal: try_dests_non() called with invalid mode (%o)\n", | |
6b54a688 | 740 | (int)file->mode); |
5f93b4d3 WD |
741 | exit_cleanup(RERR_UNSUPPORTED); |
742 | } | |
40410a38 | 743 | #ifdef SUPPORT_HARD_LINKS |
ba212fe0 WD |
744 | if (link_dest |
745 | #ifndef CAN_HARDLINK_SYMLINK | |
746 | && !S_ISLNK(file->mode) | |
747 | #endif | |
748 | #ifndef CAN_HARDLINK_SPECIAL | |
43476426 | 749 | && !IS_SPECIAL(file->mode) && !IS_DEVICE(file->mode) |
ba212fe0 WD |
750 | #endif |
751 | ) { | |
40410a38 | 752 | if (do_link(fnamebuf, fname) < 0) { |
1c6e9dfa WD |
753 | rsyserr(FERROR, errno, |
754 | "failed to hard-link %s with %s", | |
755 | fnamebuf, fname); | |
48224e4c WD |
756 | break; |
757 | } | |
3447d610 WD |
758 | if (preserve_hard_links && file->link_u.links) |
759 | hard_link_cluster(file, ndx, itemizing, code); | |
48224e4c | 760 | } |
40410a38 | 761 | #endif |
17bda2d1 | 762 | if (itemizing && stdout_format_has_i && verbose > 1) { |
48224e4c WD |
763 | int changes = compare_dest ? 0 : ITEM_LOCAL_CHANGE |
764 | + (link_dest ? ITEM_XNAME_FOLLOWS : 0); | |
765 | char *lp = link_dest ? "" : NULL; | |
766 | itemize(file, ndx, 0, &st, changes, 0, lp); | |
767 | } | |
e912bd4d | 768 | if (verbose > 1 && maybe_ATTRS_REPORT) { |
1925c344 | 769 | rprintf(FCLIENT, "%s is uptodate\n", fname); |
48224e4c WD |
770 | } |
771 | return -2; | |
772 | } while (basis_dir[++i] != NULL); | |
773 | ||
774 | return -1; | |
775 | } | |
776 | ||
ed7e7955 WD |
777 | static int phase = 0; |
778 | ||
ee1d11c4 | 779 | /* Acts on the_file_list->file's ndx'th item, whose name is fname. If a dir, |
0492fdfb WD |
780 | * make sure it exists, and has the right permissions/timestamp info. For |
781 | * all other non-regular files (symlinks, etc.) we create them here. For | |
782 | * regular files that have changed, we try to find a basis file and then | |
783 | * start sending checksums. | |
ef1aa910 | 784 | * |
0e5665d3 WD |
785 | * When fname is non-null, it must point to a MAXPATHLEN buffer! |
786 | * | |
0492fdfb WD |
787 | * Note that f_out is set to -1 when doing final directory-permission and |
788 | * modification-time repair. */ | |
ee1d11c4 | 789 | static void recv_generator(char *fname, struct file_struct *file, int ndx, |
e912bd4d | 790 | int itemizing, int maybe_ATTRS_REPORT, |
ef20efcb | 791 | enum logcode code, int f_out) |
2cda2560 | 792 | { |
8174bc35 | 793 | static int missing_below = -1, excluded_below = -1; |
a9cc1283 | 794 | static char *parent_dirname = ""; |
8e85be0a | 795 | static struct file_list *fuzzy_dirlist = NULL; |
8470a515 | 796 | static int need_fuzzy_dirlist = 0; |
8e85be0a | 797 | struct file_struct *fuzzy_file = NULL; |
41cfde6b | 798 | int fd = -1, f_copy = -1; |
1f1d368a | 799 | STRUCT_STAT st, real_st, partial_st; |
41cfde6b | 800 | struct file_struct *back_file = NULL; |
1f1d368a | 801 | int statret, real_ret, stat_errno; |
41cfde6b | 802 | char *fnamecmp, *partialptr, *backupptr = NULL; |
375a4556 | 803 | char fnamecmpbuf[MAXPATHLEN]; |
41cfde6b | 804 | uchar fnamecmp_type; |
e35d9f2d | 805 | int del_opts = DEL_TERSE | (delete_mode ? DEL_FORCE_RECURSE : 0); |
f7632fc6 | 806 | |
dfd5ba6a WD |
807 | if (list_only) |
808 | return; | |
2f03f956 | 809 | |
8e85be0a WD |
810 | if (!fname) { |
811 | if (fuzzy_dirlist) { | |
8470a515 | 812 | flist_free(fuzzy_dirlist); |
8e85be0a | 813 | fuzzy_dirlist = NULL; |
8e85be0a WD |
814 | } |
815 | if (missing_below >= 0) { | |
caff3322 WD |
816 | if (dry_run) |
817 | dry_run--; | |
8e85be0a WD |
818 | missing_below = -1; |
819 | } | |
8c9e06d7 | 820 | parent_dirname = ""; |
8e85be0a WD |
821 | return; |
822 | } | |
823 | ||
45c49b52 WD |
824 | if (verbose > 2) |
825 | rprintf(FINFO, "recv_generator(%s,%d)\n", fname, ndx); | |
2f03f956 | 826 | |
8174bc35 WD |
827 | if (server_filter_list.head) { |
828 | if (excluded_below >= 0) { | |
829 | if (file->dir.depth > excluded_below) | |
830 | goto skipping; | |
831 | excluded_below = -1; | |
832 | } | |
833 | if (check_filter(&server_filter_list, fname, | |
834 | S_ISDIR(file->mode)) < 0) { | |
835 | if (S_ISDIR(file->mode)) | |
836 | excluded_below = file->dir.depth; | |
b2e7c913 | 837 | skipping: |
8174bc35 WD |
838 | if (verbose) { |
839 | rprintf(FINFO, | |
840 | "skipping server-excluded file \"%s\"\n", | |
45c49b52 | 841 | fname); |
8174bc35 WD |
842 | } |
843 | return; | |
3e35c34b | 844 | } |
3e35c34b | 845 | } |
97f9dcae | 846 | |
caff3322 WD |
847 | if (missing_below >= 0) { |
848 | if (file->dir.depth <= missing_below) { | |
849 | if (dry_run) | |
850 | dry_run--; | |
851 | missing_below = -1; | |
852 | } else if (!dry_run) | |
853 | return; | |
df337831 | 854 | } |
73f7af0e WD |
855 | if (dry_run > 1) { |
856 | statret = -1; | |
857 | stat_errno = ENOENT; | |
858 | } else { | |
8c9e06d7 WD |
859 | char *dn = file->dirname ? file->dirname : "."; |
860 | if (parent_dirname != dn && strcmp(parent_dirname, dn) != 0) { | |
aa37022e | 861 | if (relative_paths && !implied_dirs |
73173af9 | 862 | && safe_stat(dn, &st) < 0 |
904e5af1 | 863 | && create_directory_path(fname) < 0) { |
8c9e06d7 WD |
864 | rsyserr(FERROR, errno, |
865 | "recv_generator: mkdir %s failed", | |
866 | full_fname(dn)); | |
8e85be0a | 867 | } |
8c9e06d7 | 868 | if (fuzzy_dirlist) { |
8470a515 | 869 | flist_free(fuzzy_dirlist); |
8c9e06d7 WD |
870 | fuzzy_dirlist = NULL; |
871 | } | |
872 | if (fuzzy_basis) | |
8470a515 | 873 | need_fuzzy_dirlist = 1; |
8e85be0a | 874 | } |
8c9e06d7 | 875 | parent_dirname = dn; |
8e85be0a | 876 | |
6f2a222c | 877 | if (need_fuzzy_dirlist && S_ISREG(file->mode)) { |
865c3b5f | 878 | fuzzy_dirlist = get_dirlist(dn, -1, 1); |
6f2a222c WD |
879 | need_fuzzy_dirlist = 0; |
880 | } | |
865c3b5f | 881 | |
73f7af0e WD |
882 | statret = link_stat(fname, &st, |
883 | keep_dirlinks && S_ISDIR(file->mode)); | |
884 | stat_errno = errno; | |
885 | } | |
63787382 | 886 | |
e90aab49 | 887 | if (ignore_non_existing && statret == -1 && stat_errno == ENOENT) { |
ecc81fce | 888 | if (verbose > 1) { |
15164c0a WD |
889 | rprintf(FINFO, "not creating new %s \"%s\"\n", |
890 | S_ISDIR(file->mode) ? "directory" : "file", | |
45c49b52 | 891 | fname); |
ecc81fce | 892 | } |
1347d512 AT |
893 | return; |
894 | } | |
895 | ||
a9d6e6fc WD |
896 | /* If we're not preserving permissions, change the file-list's |
897 | * mode based on the local permissions and some heuristics. */ | |
898 | if (!preserve_perms) { | |
899 | int exists = statret == 0 | |
900 | && S_ISDIR(st.st_mode) == S_ISDIR(file->mode); | |
901 | file->mode = dest_mode(file->mode, st.st_mode, exists); | |
4df9f368 AT |
902 | } |
903 | ||
2f03f956 | 904 | if (S_ISDIR(file->mode)) { |
2cda2560 WD |
905 | /* The file to be received is a directory, so we need |
906 | * to prepare appropriately. If there is already a | |
907 | * file of that name and it is *not* a directory, then | |
908 | * we need to delete it. If it doesn't exist, then | |
027428eb | 909 | * (perhaps recursively) create it. */ |
2f03f956 | 910 | if (statret == 0 && !S_ISDIR(st.st_mode)) { |
90cf7d19 | 911 | if (delete_item(fname, st.st_mode, del_opts) < 0) |
1f1d368a | 912 | return; |
2f03f956 AT |
913 | statret = -1; |
914 | } | |
df337831 WD |
915 | if (dry_run && statret != 0 && missing_below < 0) { |
916 | missing_below = file->dir.depth; | |
917 | dry_run++; | |
918 | } | |
ee1d11c4 WD |
919 | if (itemizing && f_out != -1) { |
920 | itemize(file, ndx, statret, &st, | |
ef20efcb | 921 | statret ? ITEM_LOCAL_CHANGE : 0, 0, NULL); |
ee1d11c4 | 922 | } |
00b96184 | 923 | if (statret != 0 && do_mkdir(fname,file->mode) < 0 && errno != EEXIST) { |
027428eb | 924 | if (!relative_paths || errno != ENOENT |
904e5af1 | 925 | || create_directory_path(fname) < 0 |
09290693 | 926 | || (do_mkdir(fname, file->mode) < 0 && errno != EEXIST)) { |
d62bcc17 WD |
927 | rsyserr(FERROR, errno, |
928 | "recv_generator: mkdir %s failed", | |
929 | full_fname(fname)); | |
caff3322 WD |
930 | file->flags |= FLAG_MISSING; |
931 | if (ndx+1 < the_file_list->count | |
932 | && the_file_list->files[ndx+1]->dir.depth > file->dir.depth) { | |
933 | rprintf(FERROR, | |
934 | "*** Skipping everything below this failed directory ***\n"); | |
935 | missing_below = file->dir.depth; | |
936 | } | |
937 | return; | |
2f03f956 AT |
938 | } |
939 | } | |
e912bd4d | 940 | if (set_file_attrs(fname, file, statret ? NULL : &st, 0) |
6c3862fa | 941 | && verbose && code && f_out != -1) |
45c49b52 | 942 | rprintf(code, "%s/\n", fname); |
f75a53e7 | 943 | if (delete_during && f_out != -1 && !phase && dry_run < 2 |
31937d36 | 944 | && (file->flags & FLAG_DEL_HERE)) |
0e82af2d | 945 | delete_in_dir(the_file_list, fname, file, &st); |
2f03f956 | 946 | return; |
06a1dbad | 947 | } |
6c3862fa | 948 | |
273a7ed5 WD |
949 | if (preserve_hard_links && file->link_u.links |
950 | && hard_link_check(file, ndx, fname, statret, &st, | |
951 | itemizing, code, HL_CHECK_MASTER)) | |
952 | return; | |
953 | ||
2f03f956 | 954 | if (preserve_links && S_ISLNK(file->mode)) { |
4f5b0756 | 955 | #ifdef SUPPORT_LINKS |
728d0922 | 956 | if (safe_symlinks && unsafe_symlink(file->u.link, fname)) { |
2f03f956 | 957 | if (verbose) { |
2a5d5a8c | 958 | if (the_file_list->count == 1) |
6cbde57d | 959 | fname = f_name(file, NULL); |
4875d6b6 WD |
960 | rprintf(FINFO, |
961 | "ignoring unsafe symlink %s -> \"%s\"\n", | |
45c49b52 | 962 | full_fname(fname), file->u.link); |
2f03f956 AT |
963 | } |
964 | return; | |
965 | } | |
966 | if (statret == 0) { | |
7e38410e WD |
967 | char lnk[MAXPATHLEN]; |
968 | int len; | |
969 | ||
8a8356b7 | 970 | if (!S_ISDIR(st.st_mode) |
7e38410e WD |
971 | && (len = readlink(fname, lnk, MAXPATHLEN-1)) > 0) { |
972 | lnk[len] = 0; | |
85d4d142 MP |
973 | /* A link already pointing to the |
974 | * right place -- no further action | |
975 | * required. */ | |
7e38410e | 976 | if (strcmp(lnk, file->u.link) == 0) { |
6c3862fa | 977 | if (itemizing) { |
ee1d11c4 | 978 | itemize(file, ndx, 0, &st, 0, |
ef20efcb | 979 | 0, NULL); |
c557eb8c | 980 | } |
e912bd4d WD |
981 | set_file_attrs(fname, file, &st, |
982 | maybe_ATTRS_REPORT); | |
273a7ed5 WD |
983 | if (preserve_hard_links |
984 | && file->link_u.links) { | |
985 | hard_link_cluster(file, ndx, | |
986 | itemizing, | |
987 | code); | |
988 | } | |
47c11975 | 989 | if (remove_source_files == 1) |
04cd8789 | 990 | goto return_with_success; |
2f03f956 AT |
991 | return; |
992 | } | |
2cda2560 | 993 | } |
7e38410e WD |
994 | /* Not the right symlink (or not a symlink), so |
995 | * delete it. */ | |
90cf7d19 | 996 | if (delete_item(fname, st.st_mode, del_opts) < 0) |
1f1d368a WD |
997 | return; |
998 | if (!S_ISLNK(st.st_mode)) | |
88b218fa | 999 | statret = -1; |
1c6e9dfa | 1000 | } else if (basis_dir[0] != NULL) { |
48224e4c | 1001 | if (try_dests_non(file, fname, ndx, itemizing, |
e912bd4d | 1002 | maybe_ATTRS_REPORT, code) == -2) { |
ba212fe0 WD |
1003 | #ifndef CAN_HARDLINK_SYMLINK |
1004 | if (link_dest) { | |
1005 | /* Resort to --copy-dest behavior. */ | |
1006 | } else | |
1007 | #endif | |
48224e4c WD |
1008 | if (!copy_dest) |
1009 | return; | |
1010 | itemizing = code = 0; | |
1011 | } | |
2f03f956 | 1012 | } |
273a7ed5 WD |
1013 | if (preserve_hard_links && file->link_u.links |
1014 | && hard_link_check(file, ndx, fname, -1, &st, | |
1015 | itemizing, code, HL_SKIP)) | |
1016 | return; | |
728d0922 | 1017 | if (do_symlink(file->u.link,fname) != 0) { |
d62bcc17 | 1018 | rsyserr(FERROR, errno, "symlink %s -> \"%s\" failed", |
45c49b52 | 1019 | full_fname(fname), file->u.link); |
2f03f956 | 1020 | } else { |
e912bd4d | 1021 | set_file_attrs(fname, file, NULL, 0); |
6c3862fa | 1022 | if (itemizing) { |
ee1d11c4 | 1023 | itemize(file, ndx, statret, &st, |
ef20efcb | 1024 | ITEM_LOCAL_CHANGE, 0, NULL); |
6c3862fa WD |
1025 | } |
1026 | if (code && verbose) { | |
45c49b52 WD |
1027 | rprintf(code, "%s -> %s\n", fname, |
1028 | file->u.link); | |
2f03f956 | 1029 | } |
273a7ed5 WD |
1030 | if (preserve_hard_links && file->link_u.links) |
1031 | hard_link_cluster(file, ndx, itemizing, code); | |
47c11975 | 1032 | if (remove_source_files) |
04cd8789 | 1033 | goto return_with_success; |
2f03f956 AT |
1034 | } |
1035 | #endif | |
1036 | return; | |
1037 | } | |
1038 | ||
b5c6a6ae WD |
1039 | if ((am_root && preserve_devices && IS_DEVICE(file->mode)) |
1040 | || (preserve_specials && IS_SPECIAL(file->mode))) { | |
1c6e9dfa | 1041 | if (statret != 0 && basis_dir[0] != NULL) { |
48224e4c | 1042 | if (try_dests_non(file, fname, ndx, itemizing, |
e912bd4d | 1043 | maybe_ATTRS_REPORT, code) == -2) { |
ba212fe0 WD |
1044 | #ifndef CAN_HARDLINK_SPECIAL |
1045 | if (link_dest) { | |
1046 | /* Resort to --copy-dest behavior. */ | |
1047 | } else | |
1048 | #endif | |
48224e4c WD |
1049 | if (!copy_dest) |
1050 | return; | |
1051 | itemizing = code = 0; | |
1052 | } | |
1053 | } | |
15cf186b WD |
1054 | if (statret != 0 |
1055 | || (st.st_mode & ~CHMOD_BITS) != (file->mode & ~CHMOD_BITS) | |
1056 | || st.st_rdev != file->u.rdev) { | |
0fdb1aa8 | 1057 | if (statret == 0 |
90cf7d19 | 1058 | && delete_item(fname, st.st_mode, del_opts) < 0) |
1f1d368a | 1059 | return; |
273a7ed5 WD |
1060 | if (preserve_hard_links && file->link_u.links |
1061 | && hard_link_check(file, ndx, fname, -1, &st, | |
1062 | itemizing, code, HL_SKIP)) | |
1063 | return; | |
b5c6a6ae WD |
1064 | if ((IS_DEVICE(file->mode) && !IS_DEVICE(st.st_mode)) |
1065 | || (IS_SPECIAL(file->mode) && !IS_SPECIAL(st.st_mode))) | |
88b218fa | 1066 | statret = -1; |
d62bcc17 | 1067 | if (verbose > 2) { |
2f03f956 | 1068 | rprintf(FINFO,"mknod(%s,0%o,0x%x)\n", |
45c49b52 | 1069 | fname, |
ecc81fce | 1070 | (int)file->mode, (int)file->u.rdev); |
d62bcc17 | 1071 | } |
00b96184 | 1072 | if (do_mknod(fname,file->mode,file->u.rdev) < 0) { |
d62bcc17 WD |
1073 | rsyserr(FERROR, errno, "mknod %s failed", |
1074 | full_fname(fname)); | |
2f03f956 | 1075 | } else { |
e912bd4d | 1076 | set_file_attrs(fname, file, NULL, 0); |
6c3862fa | 1077 | if (itemizing) { |
ee1d11c4 | 1078 | itemize(file, ndx, statret, &st, |
ef20efcb | 1079 | ITEM_LOCAL_CHANGE, 0, NULL); |
6c3862fa | 1080 | } |
45c49b52 WD |
1081 | if (code && verbose) |
1082 | rprintf(code, "%s\n", fname); | |
273a7ed5 WD |
1083 | if (preserve_hard_links && file->link_u.links) { |
1084 | hard_link_cluster(file, ndx, | |
1085 | itemizing, code); | |
1086 | } | |
47c11975 | 1087 | if (remove_source_files == 1) |
04cd8789 | 1088 | goto return_with_success; |
2f03f956 AT |
1089 | } |
1090 | } else { | |
ee1d11c4 | 1091 | if (itemizing) |
ef20efcb | 1092 | itemize(file, ndx, statret, &st, 0, 0, NULL); |
e912bd4d | 1093 | set_file_attrs(fname, file, &st, maybe_ATTRS_REPORT); |
273a7ed5 WD |
1094 | if (preserve_hard_links && file->link_u.links) |
1095 | hard_link_cluster(file, ndx, itemizing, code); | |
47c11975 | 1096 | if (remove_source_files == 1) |
04cd8789 | 1097 | goto return_with_success; |
2f03f956 AT |
1098 | } |
1099 | return; | |
1100 | } | |
2f03f956 | 1101 | |
2f03f956 | 1102 | if (!S_ISREG(file->mode)) { |
2a5d5a8c | 1103 | if (the_file_list->count == 1) |
6cbde57d | 1104 | fname = f_name(file, NULL); |
45c49b52 | 1105 | rprintf(FINFO, "skipping non-regular file \"%s\"\n", fname); |
2f03f956 AT |
1106 | return; |
1107 | } | |
1108 | ||
289a3216 WD |
1109 | if (max_size && file->length > max_size) { |
1110 | if (verbose > 1) { | |
1111 | if (the_file_list->count == 1) | |
6cbde57d | 1112 | fname = f_name(file, NULL); |
45c49b52 | 1113 | rprintf(FINFO, "%s is over max-size\n", fname); |
289a3216 WD |
1114 | } |
1115 | return; | |
1116 | } | |
02b5cb23 WD |
1117 | if (min_size && file->length < min_size) { |
1118 | if (verbose > 1) { | |
1119 | if (the_file_list->count == 1) | |
6cbde57d | 1120 | fname = f_name(file, NULL); |
45c49b52 | 1121 | rprintf(FINFO, "%s is under min-size\n", fname); |
02b5cb23 WD |
1122 | } |
1123 | return; | |
1124 | } | |
289a3216 | 1125 | |
e90aab49 | 1126 | if (ignore_existing && statret == 0) { |
c3cbcfb8 | 1127 | if (verbose > 1) |
45c49b52 | 1128 | rprintf(FINFO, "%s exists\n", fname); |
c3cbcfb8 WD |
1129 | return; |
1130 | } | |
1131 | ||
1132 | if (update_only && statret == 0 | |
0f86c74e | 1133 | && cmp_time(st.st_mtime, file->modtime) > 0) { |
c3cbcfb8 | 1134 | if (verbose > 1) |
45c49b52 | 1135 | rprintf(FINFO, "%s is newer\n", fname); |
c3cbcfb8 WD |
1136 | return; |
1137 | } | |
1138 | ||
375a4556 | 1139 | fnamecmp = fname; |
41cfde6b | 1140 | fnamecmp_type = FNAMECMP_FNAME; |
375a4556 | 1141 | |
1f1d368a | 1142 | if (statret == 0 && !S_ISREG(st.st_mode)) { |
90cf7d19 | 1143 | if (delete_item(fname, st.st_mode, del_opts) != 0) |
1f1d368a WD |
1144 | return; |
1145 | statret = -1; | |
1146 | stat_errno = ENOENT; | |
1147 | } | |
1148 | ||
06a1dbad | 1149 | if (statret != 0 && basis_dir[0] != NULL) { |
48224e4c | 1150 | int j = try_dests_reg(file, fname, ndx, fnamecmpbuf, &st, |
e912bd4d | 1151 | itemizing, maybe_ATTRS_REPORT, code); |
04cd8789 | 1152 | if (j == -2) { |
47c11975 | 1153 | if (remove_source_files == 1) |
04cd8789 | 1154 | goto return_with_success; |
48224e4c | 1155 | return; |
04cd8789 | 1156 | } |
48224e4c WD |
1157 | if (j != -1) { |
1158 | fnamecmp = fnamecmpbuf; | |
1159 | fnamecmp_type = j; | |
9ba46343 | 1160 | statret = 0; |
e7d13fe5 WD |
1161 | } |
1162 | } | |
1163 | ||
1f1d368a WD |
1164 | real_ret = statret; |
1165 | real_st = st; | |
375a4556 | 1166 | |
9d954dca | 1167 | if (partial_dir && (partialptr = partial_dir_fname(fname)) != NULL |
72c19bb3 WD |
1168 | && link_stat(partialptr, &partial_st, 0) == 0 |
1169 | && S_ISREG(partial_st.st_mode)) { | |
06a1dbad | 1170 | if (statret != 0) |
72c19bb3 WD |
1171 | goto prepare_to_open; |
1172 | } else | |
1173 | partialptr = NULL; | |
89f7eff3 | 1174 | |
ccb16b46 | 1175 | if (statret != 0 && fuzzy_dirlist && dry_run <= 1) { |
8e85be0a WD |
1176 | int j = find_fuzzy(file, fuzzy_dirlist); |
1177 | if (j >= 0) { | |
1178 | fuzzy_file = fuzzy_dirlist->files[j]; | |
6cbde57d | 1179 | f_name(fuzzy_file, fnamecmpbuf); |
8e85be0a WD |
1180 | if (verbose > 2) { |
1181 | rprintf(FINFO, "fuzzy basis selected for %s: %s\n", | |
45c49b52 | 1182 | fname, fnamecmpbuf); |
8e85be0a | 1183 | } |
8e85be0a | 1184 | st.st_size = fuzzy_file->length; |
8e85be0a WD |
1185 | statret = 0; |
1186 | fnamecmp = fnamecmpbuf; | |
1187 | fnamecmp_type = FNAMECMP_FUZZY; | |
1188 | } | |
1189 | } | |
1190 | ||
06a1dbad | 1191 | if (statret != 0) { |
273a7ed5 | 1192 | if (preserve_hard_links && file->link_u.links |
d8169e6f WD |
1193 | && hard_link_check(file, ndx, fname, statret, &st, |
1194 | itemizing, code, HL_SKIP)) | |
6dff5992 | 1195 | return; |
41cfde6b WD |
1196 | if (stat_errno == ENOENT) |
1197 | goto notify_others; | |
991daf00 WD |
1198 | rsyserr(FERROR, stat_errno, "recv_generator: failed to stat %s", |
1199 | full_fname(fname)); | |
2f03f956 AT |
1200 | return; |
1201 | } | |
1202 | ||
6cc11982 WD |
1203 | if (append_mode && st.st_size > file->length) |
1204 | return; | |
1205 | ||
48224e4c | 1206 | if (fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH) |
b7e8628c | 1207 | ; |
8e85be0a WD |
1208 | else if (fnamecmp_type == FNAMECMP_FUZZY) |
1209 | ; | |
b7e8628c | 1210 | else if (unchanged_file(fnamecmp, file, &st)) { |
d8b108c2 WD |
1211 | if (partialptr) { |
1212 | do_unlink(partialptr); | |
1213 | handle_partial_dir(partialptr, PDIR_DELETE); | |
1214 | } | |
48224e4c WD |
1215 | if (itemizing) { |
1216 | itemize(file, ndx, real_ret, &real_st, | |
1217 | 0, 0, NULL); | |
a1d23b53 | 1218 | } |
e912bd4d | 1219 | set_file_attrs(fname, file, &st, maybe_ATTRS_REPORT); |
48224e4c WD |
1220 | if (preserve_hard_links && file->link_u.links) |
1221 | hard_link_cluster(file, ndx, itemizing, code); | |
47c11975 | 1222 | if (remove_source_files != 1) |
04cd8789 WD |
1223 | return; |
1224 | return_with_success: | |
1225 | if (!dry_run) { | |
1226 | char numbuf[4]; | |
1227 | SIVAL(numbuf, 0, ndx); | |
1228 | send_msg(MSG_SUCCESS, numbuf, 4); | |
1229 | } | |
967866d4 | 1230 | return; |
2f03f956 AT |
1231 | } |
1232 | ||
b2e7c913 | 1233 | prepare_to_open: |
9d954dca WD |
1234 | if (partialptr) { |
1235 | st = partial_st; | |
1236 | fnamecmp = partialptr; | |
1237 | fnamecmp_type = FNAMECMP_PARTIAL_DIR; | |
1238 | statret = 0; | |
1239 | } | |
1240 | ||
beb51aa0 | 1241 | if (!do_xfers || read_batch || whole_file) |
3841a04e | 1242 | goto notify_others; |
2f03f956 | 1243 | |
ccb16b46 | 1244 | if (fuzzy_dirlist) { |
8e85be0a WD |
1245 | int j = flist_find(fuzzy_dirlist, file); |
1246 | if (j >= 0) /* don't use changing file as future fuzzy basis */ | |
1247 | fuzzy_dirlist->files[j]->flags |= FLAG_NO_FUZZY; | |
1248 | } | |
1249 | ||
2cda2560 | 1250 | /* open the file */ |
8c9fd200 | 1251 | fd = do_open(fnamecmp, O_RDONLY, 0); |
2f03f956 AT |
1252 | |
1253 | if (fd == -1) { | |
d62bcc17 WD |
1254 | rsyserr(FERROR, errno, "failed to open %s, continuing", |
1255 | full_fname(fnamecmp)); | |
b2e7c913 | 1256 | pretend_missing: |
60be6acf | 1257 | /* pretend the file didn't exist */ |
273a7ed5 | 1258 | if (preserve_hard_links && file->link_u.links |
d8169e6f WD |
1259 | && hard_link_check(file, ndx, fname, statret, &st, |
1260 | itemizing, code, HL_SKIP)) | |
6dff5992 | 1261 | return; |
1f1d368a | 1262 | statret = real_ret = -1; |
41cfde6b | 1263 | goto notify_others; |
2f03f956 AT |
1264 | } |
1265 | ||
ef20efcb | 1266 | if (inplace && make_backups && fnamecmp_type == FNAMECMP_FNAME) { |
cd6aa5b5 WD |
1267 | if (!(backupptr = get_backup_name(fname))) { |
1268 | close(fd); | |
1269 | return; | |
1270 | } | |
3de73827 | 1271 | if (!(back_file = make_file(fname, NULL, NULL, 0, NO_FILTERS))) { |
cd6aa5b5 WD |
1272 | close(fd); |
1273 | goto pretend_missing; | |
1274 | } | |
1275 | if (robust_unlink(backupptr) && errno != ENOENT) { | |
1276 | rsyserr(FERROR, errno, "unlink %s", | |
1277 | full_fname(backupptr)); | |
1278 | free(back_file); | |
1279 | close(fd); | |
1280 | return; | |
1281 | } | |
1282 | if ((f_copy = do_open(backupptr, | |
1283 | O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0) { | |
1284 | rsyserr(FERROR, errno, "open %s", | |
1285 | full_fname(backupptr)); | |
1286 | free(back_file); | |
1287 | close(fd); | |
1288 | return; | |
1289 | } | |
41cfde6b | 1290 | fnamecmp_type = FNAMECMP_BACKUP; |
cd6aa5b5 WD |
1291 | } |
1292 | ||
dfd5ba6a | 1293 | if (verbose > 3) { |
ecc81fce | 1294 | rprintf(FINFO, "gen mapped %s of size %.0f\n", |
45c49b52 | 1295 | fnamecmp, (double)st.st_size); |
dfd5ba6a | 1296 | } |
2f03f956 | 1297 | |
2f03f956 | 1298 | if (verbose > 2) |
0492fdfb | 1299 | rprintf(FINFO, "generating and sending sums for %d\n", ndx); |
2f03f956 | 1300 | |
b2e7c913 | 1301 | notify_others: |
47c11975 | 1302 | if (remove_source_files && !delay_updates && !phase) |
04cd8789 | 1303 | increment_active_files(ndx, itemizing, code); |
0492fdfb | 1304 | write_int(f_out, ndx); |
6c3862fa | 1305 | if (itemizing) { |
ee1d11c4 | 1306 | int iflags = ITEM_TRANSFER; |
8237f930 | 1307 | if (always_checksum) |
a1d23b53 | 1308 | iflags |= ITEM_REPORT_CHECKSUM; |
352963dd | 1309 | if (fnamecmp_type != FNAMECMP_FNAME) |
ef20efcb WD |
1310 | iflags |= ITEM_BASIS_TYPE_FOLLOWS; |
1311 | if (fnamecmp_type == FNAMECMP_FUZZY) | |
1312 | iflags |= ITEM_XNAME_FOLLOWS; | |
1f1d368a | 1313 | itemize(file, -1, real_ret, &real_st, iflags, fnamecmp_type, |
ef20efcb | 1314 | fuzzy_file ? fuzzy_file->basename : NULL); |
8e85be0a | 1315 | } |
cd6aa5b5 | 1316 | |
beb51aa0 | 1317 | if (!do_xfers) { |
ee1d11c4 WD |
1318 | if (preserve_hard_links && file->link_u.links) |
1319 | hard_link_cluster(file, ndx, itemizing, code); | |
1320 | return; | |
1321 | } | |
1322 | if (read_batch) | |
41cfde6b WD |
1323 | return; |
1324 | ||
33ab4ad8 | 1325 | if (statret != 0 || whole_file) { |
e86ae6bc WD |
1326 | write_sum_head(f_out, NULL); |
1327 | return; | |
1328 | } | |
1329 | ||
1330 | generate_and_send_sums(fd, st.st_size, f_out, f_copy); | |
1331 | ||
1332 | if (f_copy >= 0) { | |
1333 | close(f_copy); | |
e912bd4d | 1334 | set_file_attrs(backupptr, back_file, NULL, 0); |
e86ae6bc WD |
1335 | if (verbose > 1) { |
1336 | rprintf(FINFO, "backed up %s to %s\n", | |
45c49b52 | 1337 | fname, backupptr); |
41cfde6b | 1338 | } |
e86ae6bc WD |
1339 | free(back_file); |
1340 | } | |
41cfde6b | 1341 | |
e86ae6bc | 1342 | close(fd); |
2f03f956 AT |
1343 | } |
1344 | ||
ef20efcb | 1345 | void generate_files(int f_out, struct file_list *flist, char *local_name) |
2f03f956 | 1346 | { |
ac40b747 | 1347 | int i; |
968c8030 | 1348 | char fbuf[MAXPATHLEN]; |
e912bd4d | 1349 | int itemizing, maybe_ATTRS_REPORT; |
7433d73a | 1350 | enum logcode code; |
ac40b747 | 1351 | int lull_mod = allowed_lull * 5; |
3ea9bbd6 WD |
1352 | int need_retouch_dir_times = preserve_times && !omit_dir_times; |
1353 | int need_retouch_dir_perms = 0; | |
e90aab49 WD |
1354 | int save_ignore_existing = ignore_existing; |
1355 | int save_ignore_non_existing = ignore_non_existing; | |
083acd49 | 1356 | int save_do_progress = do_progress; |
cd908ef4 | 1357 | int save_make_backups = make_backups; |
88a16c8b | 1358 | int dir_tweaking = !(list_only || local_name || dry_run); |
ee1d11c4 | 1359 | |
7433d73a WD |
1360 | if (protocol_version >= 29) { |
1361 | itemizing = 1; | |
17bda2d1 | 1362 | maybe_ATTRS_REPORT = stdout_format_has_i ? 0 : ATTRS_REPORT; |
ecc7623e | 1363 | code = logfile_format_has_i ? 0 : FLOG; |
7433d73a | 1364 | } else if (am_daemon) { |
ecc7623e | 1365 | itemizing = logfile_format_has_i && do_xfers; |
e912bd4d | 1366 | maybe_ATTRS_REPORT = ATTRS_REPORT; |
beb51aa0 | 1367 | code = itemizing || !do_xfers ? FCLIENT : FINFO; |
7433d73a | 1368 | } else if (!am_server) { |
17bda2d1 WD |
1369 | itemizing = stdout_format_has_i; |
1370 | maybe_ATTRS_REPORT = stdout_format_has_i ? 0 : ATTRS_REPORT; | |
7433d73a WD |
1371 | code = itemizing ? 0 : FINFO; |
1372 | } else { | |
1373 | itemizing = 0; | |
e912bd4d | 1374 | maybe_ATTRS_REPORT = ATTRS_REPORT; |
7433d73a WD |
1375 | code = FINFO; |
1376 | } | |
2f03f956 | 1377 | |
45e08edb WD |
1378 | if (verbose > 2) { |
1379 | rprintf(FINFO, "generator starting pid=%ld count=%d\n", | |
1380 | (long)getpid(), flist->count); | |
1381 | } | |
2f03f956 | 1382 | |
59faec8b | 1383 | if (delete_before && !local_name && flist->count > 0) |
ee1d11c4 | 1384 | do_delete_pass(flist); |
083acd49 | 1385 | do_progress = 0; |
59faec8b | 1386 | |
6cc11982 | 1387 | if (append_mode || whole_file < 0) |
33ab4ad8 | 1388 | whole_file = 0; |
3e7053ac | 1389 | if (verbose >= 2) { |
1b1fef20 | 1390 | rprintf(FINFO, "delta-transmission %s\n", |
33ab4ad8 | 1391 | whole_file |
1b1fef20 WD |
1392 | ? "disabled for local transfer or --whole-file" |
1393 | : "enabled"); | |
3e7053ac | 1394 | } |
2cda2560 | 1395 | |
513fd04d WD |
1396 | /* Since we often fill up the outgoing socket and then just sit around |
1397 | * waiting for the other 2 processes to do their thing, we don't want | |
1398 | * to exit on a timeout. If the data stops flowing, the receiver will | |
1399 | * notice that and let us know via the redo pipe (or its closing). */ | |
1400 | ignore_timeout = 1; | |
a57873b7 | 1401 | |
2f03f956 AT |
1402 | for (i = 0; i < flist->count; i++) { |
1403 | struct file_struct *file = flist->files[i]; | |
2f03f956 | 1404 | |
dfd5ba6a WD |
1405 | if (!file->basename) |
1406 | continue; | |
0492fdfb | 1407 | |
0e5665d3 WD |
1408 | if (local_name) |
1409 | strlcpy(fbuf, local_name, sizeof fbuf); | |
1410 | else | |
6cbde57d | 1411 | f_name(file, fbuf); |
e912bd4d | 1412 | recv_generator(fbuf, file, i, itemizing, maybe_ATTRS_REPORT, |
0e5665d3 | 1413 | code, f_out); |
1f7e29b9 | 1414 | |
0492fdfb WD |
1415 | /* We need to ensure that any dirs we create have writeable |
1416 | * permissions during the time we are putting files within | |
1417 | * them. This is then fixed after the transfer is done. */ | |
00b96184 | 1418 | #ifdef HAVE_CHMOD |
41b84ce0 | 1419 | if (!am_root && S_ISDIR(file->mode) && !(file->mode & S_IWUSR) |
88a16c8b | 1420 | && dir_tweaking) { |
e912bd4d | 1421 | mode_t mode = file->mode | S_IWUSR; /* user write */ |
1f7e29b9 | 1422 | char *fname = local_name ? local_name : fbuf; |
00b96184 | 1423 | if (do_chmod(fname, mode) < 0) { |
1f7e29b9 WD |
1424 | rsyserr(FERROR, errno, |
1425 | "failed to modify permissions on %s", | |
1426 | full_fname(fname)); | |
1427 | } | |
3ea9bbd6 | 1428 | need_retouch_dir_perms = 1; |
2f03f956 | 1429 | } |
00b96184 | 1430 | #endif |
2f03f956 | 1431 | |
ee1d11c4 WD |
1432 | if (preserve_hard_links) |
1433 | check_for_finished_hlinks(itemizing, code); | |
9ac2395b | 1434 | |
18a11cfd | 1435 | if (allowed_lull && !(i % lull_mod)) |
ee1d11c4 | 1436 | maybe_send_keepalive(); |
c2523a05 | 1437 | else if (!(i % 200)) |
417099fa | 1438 | maybe_flush_socket(); |
2f03f956 | 1439 | } |
ef20efcb | 1440 | recv_generator(NULL, NULL, 0, 0, 0, code, -1); |
c93fad5e | 1441 | if (delete_during) |
0e82af2d | 1442 | delete_in_dir(NULL, NULL, NULL, NULL); |
2f03f956 AT |
1443 | |
1444 | phase++; | |
1445 | csum_length = SUM_LENGTH; | |
02b5cb23 | 1446 | max_size = min_size = ignore_existing = ignore_non_existing = 0; |
0492fdfb | 1447 | update_only = always_checksum = size_only = 0; |
e1f67417 | 1448 | ignore_times = 1; |
6cc11982 WD |
1449 | if (append_mode) /* resend w/o append mode */ |
1450 | append_mode = -1; /* ... but only longer files */ | |
e6bc6f42 | 1451 | make_backups = 0; /* avoid a duplicate backup for inplace processing */ |
2f03f956 AT |
1452 | |
1453 | if (verbose > 2) | |
1454 | rprintf(FINFO,"generate_files phase=%d\n",phase); | |
1455 | ||
7daccb8e | 1456 | write_int(f_out, -1); |
2f03f956 | 1457 | |
bc63ae3f S |
1458 | /* files can cycle through the system more than once |
1459 | * to catch initial checksum errors */ | |
ee1d11c4 | 1460 | while ((i = get_redo_num(itemizing, code)) != -1) { |
bc63ae3f | 1461 | struct file_struct *file = flist->files[i]; |
0e5665d3 WD |
1462 | if (local_name) |
1463 | strlcpy(fbuf, local_name, sizeof fbuf); | |
1464 | else | |
6cbde57d | 1465 | f_name(file, fbuf); |
e912bd4d | 1466 | recv_generator(fbuf, file, i, itemizing, maybe_ATTRS_REPORT, |
0e5665d3 | 1467 | code, f_out); |
bc63ae3f | 1468 | } |
2f03f956 | 1469 | |
bc63ae3f | 1470 | phase++; |
e90aab49 WD |
1471 | ignore_non_existing = save_ignore_non_existing; |
1472 | ignore_existing = save_ignore_existing; | |
cd908ef4 | 1473 | make_backups = save_make_backups; |
0492fdfb | 1474 | |
bc63ae3f S |
1475 | if (verbose > 2) |
1476 | rprintf(FINFO,"generate_files phase=%d\n",phase); | |
2f03f956 | 1477 | |
7daccb8e | 1478 | write_int(f_out, -1); |
70352269 WD |
1479 | /* Reduce round-trip lag-time for a useless delay-updates phase. */ |
1480 | if (protocol_version >= 29 && !delay_updates) | |
1481 | write_int(f_out, -1); | |
6dff5992 | 1482 | |
0438f100 | 1483 | /* Read MSG_DONE for the redo phase (and any prior messages). */ |
ee1d11c4 | 1484 | get_redo_num(itemizing, code); |
6dff5992 | 1485 | |
0438f100 WD |
1486 | if (protocol_version >= 29) { |
1487 | phase++; | |
1488 | if (verbose > 2) | |
1489 | rprintf(FINFO, "generate_files phase=%d\n", phase); | |
70352269 WD |
1490 | if (delay_updates) |
1491 | write_int(f_out, -1); | |
1492 | /* Read MSG_DONE for delay-updates phase & prior messages. */ | |
0438f100 WD |
1493 | get_redo_num(itemizing, code); |
1494 | } | |
1495 | ||
083acd49 | 1496 | do_progress = save_do_progress; |
59faec8b | 1497 | if (delete_after && !local_name && flist->count > 0) |
ee1d11c4 | 1498 | do_delete_pass(flist); |
59faec8b | 1499 | |
88a16c8b | 1500 | if ((need_retouch_dir_perms || need_retouch_dir_times) && dir_tweaking) { |
18a11cfd | 1501 | int j = 0; |
3ea9bbd6 WD |
1502 | /* Now we need to fix any directory permissions that were |
1503 | * modified during the transfer and/or re-set any tweaked | |
1504 | * modified-time values. */ | |
1505 | for (i = 0; i < flist->count; i++) { | |
1506 | struct file_struct *file = flist->files[i]; | |
b435d717 | 1507 | |
3ea9bbd6 WD |
1508 | if (!file->basename || !S_ISDIR(file->mode)) |
1509 | continue; | |
1510 | if (!need_retouch_dir_times && file->mode & S_IWUSR) | |
1511 | continue; | |
caff3322 WD |
1512 | if (file->flags & FLAG_MISSING) { |
1513 | int missing = file->dir.depth; | |
1514 | while (++i < flist->count) { | |
1515 | file = flist->files[i]; | |
1516 | if (file->dir.depth <= missing) | |
1517 | break; | |
1518 | } | |
1519 | i--; | |
1520 | continue; | |
1521 | } | |
6cbde57d | 1522 | recv_generator(f_name(file, NULL), file, i, itemizing, |
e912bd4d | 1523 | maybe_ATTRS_REPORT, code, -1); |
417099fa | 1524 | if (allowed_lull && !(++j % lull_mod)) |
ee1d11c4 | 1525 | maybe_send_keepalive(); |
c2523a05 | 1526 | else if (!(j % 200)) |
417099fa | 1527 | maybe_flush_socket(); |
3ea9bbd6 | 1528 | } |
6dff5992 | 1529 | } |
ef20efcb | 1530 | recv_generator(NULL, NULL, 0, 0, 0, code, -1); |
6dff5992 | 1531 | |
f75a53e7 WD |
1532 | if (max_delete > 0 && deletion_count > max_delete) { |
1533 | rprintf(FINFO, | |
1534 | "Deletions stopped due to --max-delete limit (%d skipped)\n", | |
1535 | deletion_count - max_delete); | |
1536 | io_error |= IOERR_DEL_LIMIT; | |
1537 | } | |
1538 | ||
6dff5992 WD |
1539 | if (verbose > 2) |
1540 | rprintf(FINFO,"generate_files finished\n"); | |
2f03f956 | 1541 | } |