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 | |
59faec8b WD |
96 | static int deletion_count = 0; /* used to implement --max-delete */ |
97 | ||
d71dad3b WD |
98 | /* For calling delete_file() */ |
99 | #define DEL_FORCE_RECURSE (1<<1) /* recurse even w/o --force */ | |
100 | #define DEL_TERSE (1<<3) | |
101 | ||
59faec8b WD |
102 | |
103 | static int is_backup_file(char *fn) | |
104 | { | |
105 | int k = strlen(fn) - backup_suffix_len; | |
106 | return k > 0 && strcmp(fn+k, backup_suffix) == 0; | |
107 | } | |
108 | ||
109 | ||
110 | /* Delete a file or directory. If DEL_FORCE_RECURSE is set in the flags, or if | |
d71dad3b | 111 | * force_delete is set, this will delete recursively. |
0e5665d3 WD |
112 | * |
113 | * Note that fname must point to a MAXPATHLEN buffer if the mode indicates it's | |
114 | * a directory! (The buffer is used for recursion, but returned unchanged.) | |
115 | */ | |
59faec8b WD |
116 | static int delete_item(char *fname, int mode, int flags) |
117 | { | |
118 | struct file_list *dirlist; | |
59faec8b | 119 | int j, dlen, zap_dir, ok; |
0e5665d3 | 120 | unsigned remainder; |
59faec8b | 121 | void *save_filters; |
0e5665d3 | 122 | char *p; |
59faec8b | 123 | |
59faec8b | 124 | if (!S_ISDIR(mode)) { |
f75a53e7 WD |
125 | if (max_delete && ++deletion_count > max_delete) |
126 | return 0; | |
59faec8b WD |
127 | if (make_backups && (backup_dir || !is_backup_file(fname))) |
128 | ok = make_backup(fname); | |
129 | else | |
130 | ok = robust_unlink(fname) == 0; | |
131 | if (ok) { | |
132 | if (!(flags & DEL_TERSE)) | |
133 | log_delete(fname, mode); | |
59faec8b WD |
134 | return 0; |
135 | } | |
f75a53e7 WD |
136 | if (errno == ENOENT) { |
137 | deletion_count--; | |
59faec8b | 138 | return 0; |
f75a53e7 | 139 | } |
59faec8b WD |
140 | rsyserr(FERROR, errno, "delete_file: unlink %s failed", |
141 | full_fname(fname)); | |
142 | return -1; | |
143 | } | |
144 | ||
4d167803 | 145 | zap_dir = flags & DEL_FORCE_RECURSE || force_delete; |
f75a53e7 WD |
146 | if ((max_delete && ++deletion_count > max_delete) |
147 | || (dry_run && zap_dir)) { | |
59faec8b WD |
148 | ok = 0; |
149 | errno = ENOTEMPTY; | |
150 | } else if (make_backups && !backup_dir && !is_backup_file(fname) | |
151 | && !(flags & DEL_FORCE_RECURSE)) | |
152 | ok = make_backup(fname); | |
153 | else | |
154 | ok = do_rmdir(fname) == 0; | |
155 | if (ok) { | |
156 | if (!(flags & DEL_TERSE)) | |
157 | log_delete(fname, mode); | |
59faec8b WD |
158 | return 0; |
159 | } | |
f75a53e7 WD |
160 | if (errno == ENOENT) { |
161 | deletion_count--; | |
59faec8b | 162 | return 0; |
f75a53e7 | 163 | } |
26beb786 | 164 | if (!zap_dir) { |
59faec8b WD |
165 | rsyserr(FERROR, errno, "delete_file: rmdir %s failed", |
166 | full_fname(fname)); | |
167 | return -1; | |
168 | } | |
f62eaa24 | 169 | flags |= DEL_FORCE_RECURSE; /* mark subdir dels as not "in the way" */ |
f75a53e7 | 170 | deletion_count--; |
59faec8b | 171 | |
0e5665d3 WD |
172 | dlen = strlen(fname); |
173 | save_filters = push_local_filters(fname, dlen); | |
174 | ||
175 | dirlist = get_dirlist(fname, dlen, 0); | |
176 | ||
177 | p = fname + dlen; | |
178 | if (dlen != 1 || *fname != '/') | |
179 | *p++ = '/'; | |
180 | remainder = MAXPATHLEN - (p - fname); | |
59faec8b | 181 | |
59faec8b WD |
182 | for (j = dirlist->count; j--; ) { |
183 | struct file_struct *fp = dirlist->files[j]; | |
184 | ||
185 | if (fp->flags & FLAG_MOUNT_POINT) | |
186 | continue; | |
187 | ||
0e5665d3 WD |
188 | strlcpy(p, fp->basename, remainder); |
189 | delete_item(fname, fp->mode, flags & ~DEL_TERSE); | |
59faec8b WD |
190 | } |
191 | flist_free(dirlist); | |
192 | ||
0e5665d3 WD |
193 | fname[dlen] = '\0'; |
194 | ||
59faec8b WD |
195 | pop_local_filters(save_filters); |
196 | ||
f75a53e7 WD |
197 | if (max_delete && ++deletion_count > max_delete) |
198 | return 0; | |
59faec8b WD |
199 | |
200 | if (do_rmdir(fname) == 0) { | |
201 | if (!(flags & DEL_TERSE)) | |
202 | log_delete(fname, mode); | |
4d474ad5 | 203 | } else if (errno != ENOTEMPTY && errno != EEXIST && errno != ENOENT) { |
59faec8b WD |
204 | rsyserr(FERROR, errno, "delete_file: rmdir %s failed", |
205 | full_fname(fname)); | |
206 | return -1; | |
207 | } | |
208 | ||
209 | return 0; | |
210 | } | |
211 | ||
212 | ||
213 | /* This function is used to implement per-directory deletion, and is used by | |
214 | * all the --delete-WHEN options. Note that the fbuf pointer must point to a | |
215 | * MAXPATHLEN buffer with the name of the directory in it (the functions we | |
216 | * call will append names onto the end, but the old dir value will be restored | |
217 | * on exit). */ | |
218 | static void delete_in_dir(struct file_list *flist, char *fbuf, | |
0e82af2d | 219 | struct file_struct *file, STRUCT_STAT *stp) |
59faec8b WD |
220 | { |
221 | static int min_depth = MAXPATHLEN, cur_depth = -1; | |
222 | static void *filt_array[MAXPATHLEN/2+1]; | |
717b0430 | 223 | static int already_warned = 0; |
59faec8b WD |
224 | struct file_list *dirlist; |
225 | char delbuf[MAXPATHLEN]; | |
468d7668 | 226 | int dlen, i; |
59faec8b WD |
227 | |
228 | if (!flist) { | |
229 | while (cur_depth >= min_depth) | |
230 | pop_local_filters(filt_array[cur_depth--]); | |
231 | min_depth = MAXPATHLEN; | |
232 | cur_depth = -1; | |
233 | return; | |
234 | } | |
235 | ||
236 | if (verbose > 2) | |
45c49b52 | 237 | rprintf(FINFO, "delete_in_dir(%s)\n", fbuf); |
59faec8b WD |
238 | |
239 | if (allowed_lull) | |
ee1d11c4 | 240 | maybe_send_keepalive(); |
59faec8b WD |
241 | |
242 | if (file->dir.depth >= MAXPATHLEN/2+1) | |
243 | return; /* Impossible... */ | |
244 | ||
59faec8b | 245 | if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) { |
717b0430 | 246 | if (already_warned) |
f75a53e7 | 247 | return; |
59faec8b WD |
248 | rprintf(FINFO, |
249 | "IO error encountered -- skipping file deletion\n"); | |
717b0430 | 250 | already_warned = 1; |
59faec8b WD |
251 | return; |
252 | } | |
253 | ||
254 | while (cur_depth >= file->dir.depth && cur_depth >= min_depth) | |
255 | pop_local_filters(filt_array[cur_depth--]); | |
256 | cur_depth = file->dir.depth; | |
257 | if (min_depth > cur_depth) | |
258 | min_depth = cur_depth; | |
259 | dlen = strlen(fbuf); | |
260 | filt_array[cur_depth] = push_local_filters(fbuf, dlen); | |
261 | ||
0e82af2d WD |
262 | if (one_file_system) { |
263 | if (file->flags & FLAG_TOP_DIR) | |
264 | filesystem_dev = stp->st_dev; | |
265 | else if (filesystem_dev != stp->st_dev) | |
266 | return; | |
267 | } | |
59faec8b | 268 | |
59faec8b WD |
269 | dirlist = get_dirlist(fbuf, dlen, 0); |
270 | ||
271 | /* If an item in dirlist is not found in flist, delete it | |
272 | * from the filesystem. */ | |
273 | for (i = dirlist->count; i--; ) { | |
f3ab64d3 | 274 | struct file_struct *fp = dirlist->files[i]; |
0e82af2d | 275 | if (!fp->basename || fp->flags & FLAG_MOUNT_POINT) |
bb0d8edf | 276 | continue; |
468d7668 | 277 | if (flist_find(flist, fp) < 0) { |
6cbde57d | 278 | f_name(fp, delbuf); |
e912bd4d | 279 | delete_item(delbuf, fp->mode, DEL_FORCE_RECURSE); |
468d7668 | 280 | } |
59faec8b WD |
281 | } |
282 | ||
283 | flist_free(dirlist); | |
284 | } | |
285 | ||
286 | /* This deletes any files on the receiving side that are not present on the | |
287 | * sending side. This is used by --delete-before and --delete-after. */ | |
ee1d11c4 | 288 | static void do_delete_pass(struct file_list *flist) |
59faec8b WD |
289 | { |
290 | char fbuf[MAXPATHLEN]; | |
bb0d8edf | 291 | STRUCT_STAT st; |
59faec8b WD |
292 | int j; |
293 | ||
caff3322 WD |
294 | /* dry_run is incremented when the destination doesn't exist yet. */ |
295 | if (dry_run > 1 || list_only) | |
f75a53e7 WD |
296 | return; |
297 | ||
59faec8b WD |
298 | for (j = 0; j < flist->count; j++) { |
299 | struct file_struct *file = flist->files[j]; | |
300 | ||
301 | if (!(file->flags & FLAG_DEL_HERE)) | |
302 | continue; | |
303 | ||
6cbde57d | 304 | f_name(file, fbuf); |
59faec8b | 305 | if (verbose > 1 && file->flags & FLAG_TOP_DIR) |
45c49b52 | 306 | rprintf(FINFO, "deleting in %s\n", fbuf); |
59faec8b | 307 | |
bb0d8edf WD |
308 | if (link_stat(fbuf, &st, keep_dirlinks) < 0 |
309 | || !S_ISDIR(st.st_mode)) | |
310 | continue; | |
311 | ||
0e82af2d | 312 | delete_in_dir(flist, fbuf, file, &st); |
59faec8b | 313 | } |
0e82af2d | 314 | delete_in_dir(NULL, NULL, NULL, NULL); |
0e5665d3 | 315 | |
a06e2b7c WD |
316 | if (do_progress && !am_server) |
317 | rprintf(FINFO, " \r"); | |
59faec8b WD |
318 | } |
319 | ||
48224e4c | 320 | int unchanged_attrs(struct file_struct *file, STRUCT_STAT *st) |
2f03f956 | 321 | { |
b7e8628c WD |
322 | if (preserve_perms |
323 | && (st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS)) | |
84acca07 | 324 | return 0; |
bb24028f | 325 | |
7b6fa00f | 326 | if (am_root && preserve_uid && st->st_uid != file->uid) |
b7e8628c | 327 | return 0; |
bb24028f | 328 | |
7b6fa00f | 329 | if (preserve_gid && file->gid != GID_NONE && st->st_gid != file->gid) |
b7e8628c WD |
330 | return 0; |
331 | ||
332 | return 1; | |
333 | } | |
334 | ||
ee1d11c4 | 335 | void itemize(struct file_struct *file, int ndx, int statret, STRUCT_STAT *st, |
ef20efcb | 336 | int32 iflags, uchar fnamecmp_type, char *xname) |
06a1dbad | 337 | { |
48224e4c WD |
338 | if (statret >= 0) { /* A from-dest-dir statret can == 1! */ |
339 | int keep_time = !preserve_times ? 0 | |
340 | : S_ISDIR(file->mode) ? !omit_dir_times | |
341 | : !S_ISLNK(file->mode); | |
342 | ||
c557eb8c WD |
343 | if (S_ISREG(file->mode) && file->length != st->st_size) |
344 | iflags |= ITEM_REPORT_SIZE; | |
48224e4c WD |
345 | if ((iflags & (ITEM_TRANSFER|ITEM_LOCAL_CHANGE) && !keep_time |
346 | && (!(iflags & ITEM_XNAME_FOLLOWS) || *xname)) | |
0f86c74e | 347 | || (keep_time && cmp_time(file->modtime, st->st_mtime) != 0)) |
48224e4c | 348 | iflags |= ITEM_REPORT_TIME; |
b9887818 | 349 | if ((file->mode & CHMOD_BITS) != (st->st_mode & CHMOD_BITS)) |
48224e4c | 350 | iflags |= ITEM_REPORT_PERMS; |
7b6fa00f | 351 | if (preserve_uid && am_root && file->uid != st->st_uid) |
48224e4c | 352 | iflags |= ITEM_REPORT_OWNER; |
7b6fa00f WD |
353 | if (preserve_gid && file->gid != GID_NONE |
354 | && st->st_gid != file->gid) | |
48224e4c | 355 | iflags |= ITEM_REPORT_GROUP; |
ef20efcb | 356 | } else |
ee1d11c4 | 357 | iflags |= ITEM_IS_NEW; |
c557eb8c | 358 | |
a1d23b53 | 359 | iflags &= 0xffff; |
ee1d11c4 | 360 | if ((iflags & SIGNIFICANT_ITEM_FLAGS || verbose > 1 |
17bda2d1 | 361 | || stdout_format_has_i > 1 || (xname && *xname)) && !read_batch) { |
6c3862fa WD |
362 | if (protocol_version >= 29) { |
363 | if (ndx >= 0) | |
ee1d11c4 WD |
364 | write_int(sock_f_out, ndx); |
365 | write_shortint(sock_f_out, iflags); | |
ef20efcb WD |
366 | if (iflags & ITEM_BASIS_TYPE_FOLLOWS) |
367 | write_byte(sock_f_out, fnamecmp_type); | |
368 | if (iflags & ITEM_XNAME_FOLLOWS) | |
369 | write_vstring(sock_f_out, xname, strlen(xname)); | |
1925c344 WD |
370 | } else if (ndx >= 0) { |
371 | enum logcode code = logfile_format_has_i ? FINFO : FCLIENT; | |
372 | log_item(code, file, &stats, iflags, xname); | |
373 | } | |
06a1dbad WD |
374 | } |
375 | } | |
376 | ||
377 | ||
b7e8628c | 378 | /* Perform our quick-check heuristic for determining if a file is unchanged. */ |
48224e4c | 379 | int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st) |
b7e8628c WD |
380 | { |
381 | if (st->st_size != file->length) | |
382 | return 0; | |
59c95e42 | 383 | |
2cda2560 | 384 | /* if always checksum is set then we use the checksum instead |
2f03f956 AT |
385 | of the file time to determine whether to sync */ |
386 | if (always_checksum && S_ISREG(st->st_mode)) { | |
387 | char sum[MD4_SUM_LENGTH]; | |
b7e8628c | 388 | file_checksum(fn, sum, st->st_size); |
cfe39780 | 389 | return memcmp(sum, file->u.sum, checksum_len) == 0; |
2f03f956 AT |
390 | } |
391 | ||
cc1e997d | 392 | if (size_only) |
84acca07 | 393 | return 1; |
2f03f956 | 394 | |
cc1e997d | 395 | if (ignore_times) |
84acca07 | 396 | return 0; |
cc1e997d | 397 | |
0f86c74e | 398 | return cmp_time(st->st_mtime, file->modtime) == 0; |
2f03f956 AT |
399 | } |
400 | ||
401 | ||
ec8290c8 | 402 | /* |
195bd906 | 403 | * set (initialize) the size entries in the per-file sum_struct |
ec8290c8 | 404 | * calculating dynamic block and checksum sizes. |
195bd906 | 405 | * |
ec8290c8 | 406 | * This is only called from generate_and_send_sums() but is a separate |
195bd906 S |
407 | * function to encapsulate the logic. |
408 | * | |
409 | * The block size is a rounded square root of file length. | |
410 | * | |
411 | * The checksum size is determined according to: | |
ed7e7955 | 412 | * blocksum_bits = BLOCKSUM_BIAS + 2*log2(file_len) - log2(block_len) |
195bd906 S |
413 | * provided by Donovan Baarda which gives a probability of rsync |
414 | * algorithm corrupting data and falling back using the whole md4 | |
415 | * checksums. | |
416 | * | |
417 | * This might be made one of several selectable heuristics. | |
418 | */ | |
1490812a | 419 | static void sum_sizes_sqroot(struct sum_struct *sum, int64 len) |
195bd906 | 420 | { |
a255c592 | 421 | int32 blength; |
da9d12f5 | 422 | int s2length; |
195bd906 | 423 | |
a255c592 | 424 | if (block_size) |
195bd906 | 425 | blength = block_size; |
a255c592 | 426 | else if (len <= BLOCK_SIZE * BLOCK_SIZE) |
195bd906 | 427 | blength = BLOCK_SIZE; |
a255c592 WD |
428 | else { |
429 | int32 c; | |
1490812a | 430 | int64 l; |
eae7165c WD |
431 | int cnt; |
432 | for (c = 1, l = len, cnt = 0; l >>= 2; c <<= 1, cnt++) {} | |
433 | if (cnt >= 31 || c >= MAX_BLOCK_SIZE) | |
434 | blength = MAX_BLOCK_SIZE; | |
435 | else { | |
436 | blength = 0; | |
437 | do { | |
438 | blength |= c; | |
1490812a | 439 | if (len < (int64)blength * blength) |
eae7165c WD |
440 | blength &= ~c; |
441 | c >>= 1; | |
442 | } while (c >= 8); /* round to multiple of 8 */ | |
443 | blength = MAX(blength, BLOCK_SIZE); | |
195bd906 | 444 | } |
195bd906 S |
445 | } |
446 | ||
d04e9c51 | 447 | if (protocol_version < 27) { |
195bd906 S |
448 | s2length = csum_length; |
449 | } else if (csum_length == SUM_LENGTH) { | |
450 | s2length = SUM_LENGTH; | |
451 | } else { | |
a255c592 | 452 | int32 c; |
1490812a | 453 | int64 l; |
da9d12f5 | 454 | int b = BLOCKSUM_BIAS; |
a255c592 | 455 | for (l = len; l >>= 1; b += 2) {} |
f4164b73 | 456 | for (c = blength; (c >>= 1) && b; b--) {} |
a255c592 WD |
457 | /* add a bit, subtract rollsum, round up. */ |
458 | s2length = (b + 1 - 32 + 7) / 8; /* --optimize in compiler-- */ | |
195bd906 S |
459 | s2length = MAX(s2length, csum_length); |
460 | s2length = MIN(s2length, SUM_LENGTH); | |
461 | } | |
462 | ||
463 | sum->flength = len; | |
464 | sum->blength = blength; | |
465 | sum->s2length = s2length; | |
a5b786d8 WD |
466 | sum->remainder = len % blength; |
467 | sum->count = len / blength + (sum->remainder != 0); | |
195bd906 S |
468 | |
469 | if (sum->count && verbose > 2) { | |
a255c592 WD |
470 | rprintf(FINFO, |
471 | "count=%.0f rem=%ld blength=%ld s2length=%d flength=%.0f\n", | |
472 | (double)sum->count, (long)sum->remainder, (long)sum->blength, | |
da9d12f5 | 473 | sum->s2length, (double)sum->flength); |
195bd906 S |
474 | } |
475 | } | |
80605142 | 476 | |
bceec82f | 477 | |
80605142 WD |
478 | /* |
479 | * Generate and send a stream of signatures/checksums that describe a buffer | |
e66dfd18 | 480 | * |
80605142 WD |
481 | * Generate approximately one checksum every block_len bytes. |
482 | */ | |
cd6aa5b5 | 483 | static void generate_and_send_sums(int fd, OFF_T len, int f_out, int f_copy) |
2f03f956 | 484 | { |
a1cbe76e | 485 | int32 i; |
6e45e1dd | 486 | struct map_struct *mapbuf; |
80605142 | 487 | struct sum_struct sum; |
2f03f956 AT |
488 | OFF_T offset = 0; |
489 | ||
423dba8e | 490 | sum_sizes_sqroot(&sum, len); |
6cc11982 WD |
491 | write_sum_head(f_out, &sum); |
492 | ||
493 | if (append_mode > 0 && f_copy < 0) | |
494 | return; | |
e66dfd18 | 495 | |
6e45e1dd | 496 | if (len > 0) |
96d910c7 | 497 | mapbuf = map_file(fd, len, MAX_MAP_SIZE, sum.blength); |
6e45e1dd WD |
498 | else |
499 | mapbuf = NULL; | |
500 | ||
80605142 | 501 | for (i = 0; i < sum.count; i++) { |
a255c592 | 502 | int32 n1 = (int32)MIN(len, (OFF_T)sum.blength); |
6e45e1dd | 503 | char *map = map_ptr(mapbuf, offset, n1); |
80605142 | 504 | char sum2[SUM_LENGTH]; |
6cc11982 WD |
505 | uint32 sum1; |
506 | ||
507 | len -= n1; | |
508 | offset += n1; | |
2f03f956 | 509 | |
6cc11982 | 510 | if (f_copy >= 0) { |
cd6aa5b5 | 511 | full_write(f_copy, map, n1); |
6cc11982 WD |
512 | if (append_mode > 0) |
513 | continue; | |
514 | } | |
cd6aa5b5 | 515 | |
6cc11982 | 516 | sum1 = get_checksum1(map, n1); |
80605142 | 517 | get_checksum2(map, n1, sum2); |
2f03f956 | 518 | |
80605142 | 519 | if (verbose > 3) { |
e66dfd18 | 520 | rprintf(FINFO, |
a255c592 | 521 | "chunk[%.0f] offset=%.0f len=%ld sum1=%08lx\n", |
6cc11982 | 522 | (double)i, (double)offset - n1, (long)n1, |
0e36d9da | 523 | (unsigned long)sum1); |
80605142 WD |
524 | } |
525 | write_int(f_out, sum1); | |
fc0257c9 | 526 | write_buf(f_out, sum2, sum.s2length); |
2f03f956 | 527 | } |
6e45e1dd WD |
528 | |
529 | if (mapbuf) | |
530 | unmap_file(mapbuf); | |
2f03f956 AT |
531 | } |
532 | ||
06a1dbad | 533 | |
8e85be0a WD |
534 | /* Try to find a filename in the same dir as "fname" with a similar name. */ |
535 | static int find_fuzzy(struct file_struct *file, struct file_list *dirlist) | |
536 | { | |
537 | int fname_len, fname_suf_len; | |
538 | const char *fname_suf, *fname = file->basename; | |
f328e0f3 | 539 | uint32 lowest_dist = 25 << 16; /* ignore a distance greater than 25 */ |
8e85be0a WD |
540 | int j, lowest_j = -1; |
541 | ||
542 | fname_len = strlen(fname); | |
543 | fname_suf = find_filename_suffix(fname, fname_len, &fname_suf_len); | |
544 | ||
545 | for (j = 0; j < dirlist->count; j++) { | |
546 | struct file_struct *fp = dirlist->files[j]; | |
547 | const char *suf, *name; | |
548 | int len, suf_len; | |
549 | uint32 dist; | |
550 | ||
551 | if (!S_ISREG(fp->mode) || !fp->length | |
552 | || fp->flags & FLAG_NO_FUZZY) | |
553 | continue; | |
554 | ||
555 | name = fp->basename; | |
556 | ||
557 | if (fp->length == file->length | |
0f86c74e | 558 | && cmp_time(fp->modtime, file->modtime) == 0) { |
8e85be0a WD |
559 | if (verbose > 4) { |
560 | rprintf(FINFO, | |
561 | "fuzzy size/modtime match for %s\n", | |
562 | name); | |
563 | } | |
564 | return j; | |
565 | } | |
566 | ||
567 | len = strlen(name); | |
568 | suf = find_filename_suffix(name, len, &suf_len); | |
569 | ||
570 | dist = fuzzy_distance(name, len, fname, fname_len); | |
571 | /* Add some extra weight to how well the suffixes match. */ | |
572 | dist += fuzzy_distance(suf, suf_len, fname_suf, fname_suf_len) | |
573 | * 10; | |
574 | if (verbose > 4) { | |
575 | rprintf(FINFO, "fuzzy distance for %s = %d.%05d\n", | |
576 | name, (int)(dist>>16), (int)(dist&0xFFFF)); | |
577 | } | |
578 | if (dist <= lowest_dist) { | |
579 | lowest_dist = dist; | |
580 | lowest_j = j; | |
581 | } | |
582 | } | |
583 | ||
584 | return lowest_j; | |
585 | } | |
586 | ||
ee1d11c4 WD |
587 | void check_for_finished_hlinks(int itemizing, enum logcode code) |
588 | { | |
589 | struct file_struct *file; | |
590 | int ndx; | |
591 | ||
592 | while ((ndx = get_hlink_num()) != -1) { | |
593 | if (ndx < 0 || ndx >= the_file_list->count) | |
594 | continue; | |
595 | ||
596 | file = the_file_list->files[ndx]; | |
597 | if (!file->link_u.links) | |
598 | continue; | |
599 | ||
600 | hard_link_cluster(file, ndx, itemizing, code); | |
601 | } | |
602 | } | |
2f03f956 | 603 | |
48224e4c WD |
604 | /* This is only called for regular files. We return -2 if we've finished |
605 | * handling the file, -1 if no dest-linking occurred, or a non-negative | |
606 | * value if we found an alternate basis file. */ | |
607 | static int try_dests_reg(struct file_struct *file, char *fname, int ndx, | |
608 | char *cmpbuf, STRUCT_STAT *stp, int itemizing, | |
e912bd4d | 609 | int maybe_ATTRS_REPORT, enum logcode code) |
48224e4c WD |
610 | { |
611 | int best_match = -1; | |
612 | int match_level = 0; | |
613 | int j = 0; | |
614 | ||
615 | do { | |
616 | pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname); | |
617 | if (link_stat(cmpbuf, stp, 0) < 0 || !S_ISREG(stp->st_mode)) | |
618 | continue; | |
619 | switch (match_level) { | |
620 | case 0: | |
621 | best_match = j; | |
622 | match_level = 1; | |
623 | /* FALL THROUGH */ | |
624 | case 1: | |
625 | if (!unchanged_file(cmpbuf, file, stp)) | |
626 | continue; | |
627 | best_match = j; | |
628 | match_level = 2; | |
629 | /* FALL THROUGH */ | |
630 | case 2: | |
631 | if (!unchanged_attrs(file, stp)) | |
632 | continue; | |
6bfc7b4d | 633 | if (always_checksum && preserve_times |
0f86c74e | 634 | && cmp_time(stp->st_mtime, file->modtime)) |
48224e4c WD |
635 | continue; |
636 | best_match = j; | |
637 | match_level = 3; | |
638 | break; | |
639 | } | |
640 | break; | |
641 | } while (basis_dir[++j] != NULL); | |
642 | ||
643 | if (!match_level) | |
644 | return -1; | |
645 | ||
646 | if (j != best_match) { | |
647 | j = best_match; | |
648 | pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname); | |
649 | if (link_stat(cmpbuf, stp, 0) < 0) | |
650 | match_level = 0; | |
651 | } | |
652 | ||
48224e4c | 653 | if (match_level == 3 && !copy_dest) { |
40410a38 | 654 | #ifdef SUPPORT_HARD_LINKS |
48224e4c WD |
655 | if (link_dest) { |
656 | if (hard_link_one(file, ndx, fname, 0, stp, | |
657 | cmpbuf, 1, | |
658 | itemizing && verbose > 1, | |
659 | code) < 0) | |
660 | goto try_a_copy; | |
d9163a4c WD |
661 | if (preserve_hard_links && file->link_u.links) { |
662 | if (dry_run) | |
663 | file->link_u.links->link_dest_used = j + 1; | |
3447d610 | 664 | hard_link_cluster(file, ndx, itemizing, code); |
d9163a4c | 665 | } |
40410a38 WD |
666 | } else |
667 | #endif | |
668 | if (itemizing) | |
48224e4c | 669 | itemize(file, ndx, 0, stp, 0, 0, NULL); |
e912bd4d | 670 | if (verbose > 1 && maybe_ATTRS_REPORT) { |
1925c344 | 671 | rprintf(FCLIENT, "%s is uptodate\n", fname); |
48224e4c WD |
672 | } |
673 | return -2; | |
674 | } | |
48224e4c WD |
675 | |
676 | if (match_level >= 2) { | |
677 | try_a_copy: /* Copy the file locally. */ | |
678 | if (copy_file(cmpbuf, fname, file->mode) < 0) { | |
679 | if (verbose) { | |
3447d610 | 680 | rsyserr(FINFO, errno, "copy_file %s => %s", |
45c49b52 | 681 | full_fname(cmpbuf), fname); |
48224e4c WD |
682 | } |
683 | return -1; | |
684 | } | |
3447d610 WD |
685 | if (itemizing) |
686 | itemize(file, ndx, 0, stp, ITEM_LOCAL_CHANGE, 0, NULL); | |
e912bd4d WD |
687 | set_file_attrs(fname, file, NULL, 0); |
688 | if (maybe_ATTRS_REPORT | |
48224e4c WD |
689 | && ((!itemizing && verbose && match_level == 2) |
690 | || (verbose > 1 && match_level == 3))) { | |
1925c344 | 691 | code = match_level == 3 ? FCLIENT : FINFO; |
45c49b52 | 692 | rprintf(code, "%s%s\n", fname, |
48224e4c WD |
693 | match_level == 3 ? " is uptodate" : ""); |
694 | } | |
3447d610 WD |
695 | if (preserve_hard_links && file->link_u.links) |
696 | hard_link_cluster(file, ndx, itemizing, code); | |
48224e4c WD |
697 | return -2; |
698 | } | |
699 | ||
700 | return FNAMECMP_BASIS_DIR_LOW + j; | |
701 | } | |
702 | ||
703 | /* This is only called for non-regular files. We return -2 if we've finished | |
704 | * handling the file, or -1 if no dest-linking occurred. */ | |
705 | static int try_dests_non(struct file_struct *file, char *fname, int ndx, | |
1c6e9dfa WD |
706 | int itemizing, int maybe_ATTRS_REPORT, |
707 | enum logcode code) | |
48224e4c | 708 | { |
398612ba | 709 | char fnamebuf[MAXPATHLEN]; |
48224e4c | 710 | STRUCT_STAT st; |
398612ba | 711 | int i = 0; |
48224e4c WD |
712 | |
713 | do { | |
714 | pathjoin(fnamebuf, MAXPATHLEN, basis_dir[i], fname); | |
715 | if (link_stat(fnamebuf, &st, 0) < 0 || S_ISDIR(st.st_mode) | |
716 | || !unchanged_attrs(file, &st)) | |
717 | continue; | |
ba212fe0 | 718 | if (S_ISLNK(file->mode)) { |
bb0d8edf | 719 | #ifdef SUPPORT_LINKS |
398612ba WD |
720 | char lnk[MAXPATHLEN]; |
721 | int len; | |
48224e4c WD |
722 | if ((len = readlink(fnamebuf, lnk, MAXPATHLEN-1)) <= 0) |
723 | continue; | |
724 | lnk[len] = '\0'; | |
725 | if (strcmp(lnk, file->u.link) != 0) | |
bb0d8edf | 726 | #endif |
48224e4c | 727 | continue; |
ba212fe0 WD |
728 | } else if (IS_SPECIAL(file->mode)) { |
729 | if (!IS_SPECIAL(st.st_mode) || st.st_rdev != file->u.rdev) | |
730 | continue; | |
731 | } else if (IS_DEVICE(file->mode)) { | |
732 | if (!IS_DEVICE(st.st_mode) || st.st_rdev != file->u.rdev) | |
733 | continue; | |
5f93b4d3 WD |
734 | } else { |
735 | rprintf(FERROR, | |
736 | "internal: try_dests_non() called with invalid mode (%o)\n", | |
6b54a688 | 737 | (int)file->mode); |
5f93b4d3 WD |
738 | exit_cleanup(RERR_UNSUPPORTED); |
739 | } | |
40410a38 | 740 | #ifdef SUPPORT_HARD_LINKS |
ba212fe0 WD |
741 | if (link_dest |
742 | #ifndef CAN_HARDLINK_SYMLINK | |
743 | && !S_ISLNK(file->mode) | |
744 | #endif | |
745 | #ifndef CAN_HARDLINK_SPECIAL | |
43476426 | 746 | && !IS_SPECIAL(file->mode) && !IS_DEVICE(file->mode) |
ba212fe0 WD |
747 | #endif |
748 | ) { | |
40410a38 | 749 | if (do_link(fnamebuf, fname) < 0) { |
1c6e9dfa WD |
750 | rsyserr(FERROR, errno, |
751 | "failed to hard-link %s with %s", | |
752 | fnamebuf, fname); | |
48224e4c WD |
753 | break; |
754 | } | |
3447d610 WD |
755 | if (preserve_hard_links && file->link_u.links) |
756 | hard_link_cluster(file, ndx, itemizing, code); | |
48224e4c | 757 | } |
40410a38 | 758 | #endif |
17bda2d1 | 759 | if (itemizing && stdout_format_has_i && verbose > 1) { |
48224e4c WD |
760 | int changes = compare_dest ? 0 : ITEM_LOCAL_CHANGE |
761 | + (link_dest ? ITEM_XNAME_FOLLOWS : 0); | |
762 | char *lp = link_dest ? "" : NULL; | |
763 | itemize(file, ndx, 0, &st, changes, 0, lp); | |
764 | } | |
e912bd4d | 765 | if (verbose > 1 && maybe_ATTRS_REPORT) { |
1925c344 | 766 | rprintf(FCLIENT, "%s is uptodate\n", fname); |
48224e4c WD |
767 | } |
768 | return -2; | |
769 | } while (basis_dir[++i] != NULL); | |
770 | ||
771 | return -1; | |
772 | } | |
773 | ||
ed7e7955 WD |
774 | static int phase = 0; |
775 | ||
ee1d11c4 | 776 | /* Acts on the_file_list->file's ndx'th item, whose name is fname. If a dir, |
0492fdfb WD |
777 | * make sure it exists, and has the right permissions/timestamp info. For |
778 | * all other non-regular files (symlinks, etc.) we create them here. For | |
779 | * regular files that have changed, we try to find a basis file and then | |
780 | * start sending checksums. | |
ef1aa910 | 781 | * |
0e5665d3 WD |
782 | * When fname is non-null, it must point to a MAXPATHLEN buffer! |
783 | * | |
0492fdfb WD |
784 | * Note that f_out is set to -1 when doing final directory-permission and |
785 | * modification-time repair. */ | |
ee1d11c4 | 786 | static void recv_generator(char *fname, struct file_struct *file, int ndx, |
e912bd4d | 787 | int itemizing, int maybe_ATTRS_REPORT, |
ef20efcb | 788 | enum logcode code, int f_out) |
2cda2560 | 789 | { |
8174bc35 | 790 | static int missing_below = -1, excluded_below = -1; |
a9cc1283 | 791 | static char *parent_dirname = ""; |
8e85be0a | 792 | static struct file_list *fuzzy_dirlist = NULL; |
8470a515 | 793 | static int need_fuzzy_dirlist = 0; |
8e85be0a | 794 | struct file_struct *fuzzy_file = NULL; |
41cfde6b | 795 | int fd = -1, f_copy = -1; |
1f1d368a | 796 | STRUCT_STAT st, real_st, partial_st; |
41cfde6b | 797 | struct file_struct *back_file = NULL; |
1f1d368a | 798 | int statret, real_ret, stat_errno; |
41cfde6b | 799 | char *fnamecmp, *partialptr, *backupptr = NULL; |
375a4556 | 800 | char fnamecmpbuf[MAXPATHLEN]; |
41cfde6b | 801 | uchar fnamecmp_type; |
e35d9f2d | 802 | int del_opts = DEL_TERSE | (delete_mode ? DEL_FORCE_RECURSE : 0); |
f7632fc6 | 803 | |
dfd5ba6a WD |
804 | if (list_only) |
805 | return; | |
2f03f956 | 806 | |
8e85be0a WD |
807 | if (!fname) { |
808 | if (fuzzy_dirlist) { | |
8470a515 | 809 | flist_free(fuzzy_dirlist); |
8e85be0a | 810 | fuzzy_dirlist = NULL; |
8e85be0a WD |
811 | } |
812 | if (missing_below >= 0) { | |
caff3322 WD |
813 | if (dry_run) |
814 | dry_run--; | |
8e85be0a WD |
815 | missing_below = -1; |
816 | } | |
8c9e06d7 | 817 | parent_dirname = ""; |
8e85be0a WD |
818 | return; |
819 | } | |
820 | ||
45c49b52 WD |
821 | if (verbose > 2) |
822 | rprintf(FINFO, "recv_generator(%s,%d)\n", fname, ndx); | |
2f03f956 | 823 | |
8174bc35 WD |
824 | if (server_filter_list.head) { |
825 | if (excluded_below >= 0) { | |
826 | if (file->dir.depth > excluded_below) | |
827 | goto skipping; | |
828 | excluded_below = -1; | |
829 | } | |
830 | if (check_filter(&server_filter_list, fname, | |
831 | S_ISDIR(file->mode)) < 0) { | |
832 | if (S_ISDIR(file->mode)) | |
833 | excluded_below = file->dir.depth; | |
b2e7c913 | 834 | skipping: |
8174bc35 WD |
835 | if (verbose) { |
836 | rprintf(FINFO, | |
837 | "skipping server-excluded file \"%s\"\n", | |
45c49b52 | 838 | fname); |
8174bc35 WD |
839 | } |
840 | return; | |
3e35c34b | 841 | } |
3e35c34b | 842 | } |
97f9dcae | 843 | |
caff3322 WD |
844 | if (missing_below >= 0) { |
845 | if (file->dir.depth <= missing_below) { | |
846 | if (dry_run) | |
847 | dry_run--; | |
848 | missing_below = -1; | |
849 | } else if (!dry_run) | |
850 | return; | |
df337831 | 851 | } |
73f7af0e WD |
852 | if (dry_run > 1) { |
853 | statret = -1; | |
854 | stat_errno = ENOENT; | |
855 | } else { | |
8c9e06d7 WD |
856 | char *dn = file->dirname ? file->dirname : "."; |
857 | if (parent_dirname != dn && strcmp(parent_dirname, dn) != 0) { | |
aa37022e | 858 | if (relative_paths && !implied_dirs |
1a7f3d99 | 859 | && do_stat(dn, &st) < 0 |
904e5af1 | 860 | && create_directory_path(fname) < 0) { |
8c9e06d7 WD |
861 | rsyserr(FERROR, errno, |
862 | "recv_generator: mkdir %s failed", | |
863 | full_fname(dn)); | |
8e85be0a | 864 | } |
8c9e06d7 | 865 | if (fuzzy_dirlist) { |
8470a515 | 866 | flist_free(fuzzy_dirlist); |
8c9e06d7 WD |
867 | fuzzy_dirlist = NULL; |
868 | } | |
869 | if (fuzzy_basis) | |
8470a515 | 870 | need_fuzzy_dirlist = 1; |
8e85be0a | 871 | } |
8c9e06d7 | 872 | parent_dirname = dn; |
8e85be0a | 873 | |
6f2a222c | 874 | if (need_fuzzy_dirlist && S_ISREG(file->mode)) { |
865c3b5f | 875 | fuzzy_dirlist = get_dirlist(dn, -1, 1); |
6f2a222c WD |
876 | need_fuzzy_dirlist = 0; |
877 | } | |
865c3b5f | 878 | |
73f7af0e WD |
879 | statret = link_stat(fname, &st, |
880 | keep_dirlinks && S_ISDIR(file->mode)); | |
881 | stat_errno = errno; | |
882 | } | |
63787382 | 883 | |
e90aab49 | 884 | if (ignore_non_existing && statret == -1 && stat_errno == ENOENT) { |
ecc81fce | 885 | if (verbose > 1) { |
15164c0a WD |
886 | rprintf(FINFO, "not creating new %s \"%s\"\n", |
887 | S_ISDIR(file->mode) ? "directory" : "file", | |
45c49b52 | 888 | fname); |
ecc81fce | 889 | } |
1347d512 AT |
890 | return; |
891 | } | |
892 | ||
a9d6e6fc WD |
893 | /* If we're not preserving permissions, change the file-list's |
894 | * mode based on the local permissions and some heuristics. */ | |
895 | if (!preserve_perms) { | |
896 | int exists = statret == 0 | |
897 | && S_ISDIR(st.st_mode) == S_ISDIR(file->mode); | |
898 | file->mode = dest_mode(file->mode, st.st_mode, exists); | |
4df9f368 AT |
899 | } |
900 | ||
2f03f956 | 901 | if (S_ISDIR(file->mode)) { |
2cda2560 WD |
902 | /* The file to be received is a directory, so we need |
903 | * to prepare appropriately. If there is already a | |
904 | * file of that name and it is *not* a directory, then | |
905 | * we need to delete it. If it doesn't exist, then | |
027428eb | 906 | * (perhaps recursively) create it. */ |
2f03f956 | 907 | if (statret == 0 && !S_ISDIR(st.st_mode)) { |
90cf7d19 | 908 | if (delete_item(fname, st.st_mode, del_opts) < 0) |
1f1d368a | 909 | return; |
2f03f956 AT |
910 | statret = -1; |
911 | } | |
df337831 WD |
912 | if (dry_run && statret != 0 && missing_below < 0) { |
913 | missing_below = file->dir.depth; | |
914 | dry_run++; | |
915 | } | |
ee1d11c4 | 916 | if (itemizing && f_out != -1) { |
1ef5bf3c WD |
917 | int sr = statret; |
918 | if (new_root_dir) { | |
919 | if (*fname == '.' && fname[1] == '\0') | |
920 | sr = -1; | |
921 | new_root_dir = 0; | |
922 | } | |
923 | itemize(file, ndx, sr, &st, | |
924 | sr ? ITEM_LOCAL_CHANGE : 0, 0, NULL); | |
ee1d11c4 | 925 | } |
00b96184 | 926 | if (statret != 0 && do_mkdir(fname,file->mode) < 0 && errno != EEXIST) { |
027428eb | 927 | if (!relative_paths || errno != ENOENT |
904e5af1 | 928 | || create_directory_path(fname) < 0 |
09290693 | 929 | || (do_mkdir(fname, file->mode) < 0 && errno != EEXIST)) { |
d62bcc17 WD |
930 | rsyserr(FERROR, errno, |
931 | "recv_generator: mkdir %s failed", | |
932 | full_fname(fname)); | |
caff3322 WD |
933 | file->flags |= FLAG_MISSING; |
934 | if (ndx+1 < the_file_list->count | |
935 | && the_file_list->files[ndx+1]->dir.depth > file->dir.depth) { | |
936 | rprintf(FERROR, | |
937 | "*** Skipping everything below this failed directory ***\n"); | |
938 | missing_below = file->dir.depth; | |
939 | } | |
940 | return; | |
2f03f956 AT |
941 | } |
942 | } | |
e912bd4d | 943 | if (set_file_attrs(fname, file, statret ? NULL : &st, 0) |
f4164b73 | 944 | && verbose && code != FNONE && f_out != -1) |
45c49b52 | 945 | rprintf(code, "%s/\n", fname); |
f75a53e7 | 946 | if (delete_during && f_out != -1 && !phase && dry_run < 2 |
31937d36 | 947 | && (file->flags & FLAG_DEL_HERE)) |
0e82af2d | 948 | delete_in_dir(the_file_list, fname, file, &st); |
2f03f956 | 949 | return; |
06a1dbad | 950 | } |
6c3862fa | 951 | |
273a7ed5 WD |
952 | if (preserve_hard_links && file->link_u.links |
953 | && hard_link_check(file, ndx, fname, statret, &st, | |
954 | itemizing, code, HL_CHECK_MASTER)) | |
955 | return; | |
956 | ||
2f03f956 | 957 | if (preserve_links && S_ISLNK(file->mode)) { |
4f5b0756 | 958 | #ifdef SUPPORT_LINKS |
728d0922 | 959 | if (safe_symlinks && unsafe_symlink(file->u.link, fname)) { |
2f03f956 | 960 | if (verbose) { |
2a5d5a8c | 961 | if (the_file_list->count == 1) |
6cbde57d | 962 | fname = f_name(file, NULL); |
4875d6b6 WD |
963 | rprintf(FINFO, |
964 | "ignoring unsafe symlink %s -> \"%s\"\n", | |
45c49b52 | 965 | full_fname(fname), file->u.link); |
2f03f956 AT |
966 | } |
967 | return; | |
968 | } | |
969 | if (statret == 0) { | |
7e38410e WD |
970 | char lnk[MAXPATHLEN]; |
971 | int len; | |
972 | ||
8a8356b7 | 973 | if (!S_ISDIR(st.st_mode) |
7e38410e WD |
974 | && (len = readlink(fname, lnk, MAXPATHLEN-1)) > 0) { |
975 | lnk[len] = 0; | |
85d4d142 MP |
976 | /* A link already pointing to the |
977 | * right place -- no further action | |
978 | * required. */ | |
7e38410e | 979 | if (strcmp(lnk, file->u.link) == 0) { |
6c3862fa | 980 | if (itemizing) { |
ee1d11c4 | 981 | itemize(file, ndx, 0, &st, 0, |
ef20efcb | 982 | 0, NULL); |
c557eb8c | 983 | } |
e912bd4d WD |
984 | set_file_attrs(fname, file, &st, |
985 | maybe_ATTRS_REPORT); | |
273a7ed5 WD |
986 | if (preserve_hard_links |
987 | && file->link_u.links) { | |
988 | hard_link_cluster(file, ndx, | |
989 | itemizing, | |
990 | code); | |
991 | } | |
47c11975 | 992 | if (remove_source_files == 1) |
04cd8789 | 993 | goto return_with_success; |
2f03f956 AT |
994 | return; |
995 | } | |
2cda2560 | 996 | } |
7e38410e WD |
997 | /* Not the right symlink (or not a symlink), so |
998 | * delete it. */ | |
90cf7d19 | 999 | if (delete_item(fname, st.st_mode, del_opts) < 0) |
1f1d368a WD |
1000 | return; |
1001 | if (!S_ISLNK(st.st_mode)) | |
88b218fa | 1002 | statret = -1; |
1c6e9dfa | 1003 | } else if (basis_dir[0] != NULL) { |
48224e4c | 1004 | if (try_dests_non(file, fname, ndx, itemizing, |
e912bd4d | 1005 | maybe_ATTRS_REPORT, code) == -2) { |
ba212fe0 WD |
1006 | #ifndef CAN_HARDLINK_SYMLINK |
1007 | if (link_dest) { | |
1008 | /* Resort to --copy-dest behavior. */ | |
1009 | } else | |
1010 | #endif | |
48224e4c WD |
1011 | if (!copy_dest) |
1012 | return; | |
f4164b73 WD |
1013 | itemizing = 0; |
1014 | code = FNONE; | |
48224e4c | 1015 | } |
2f03f956 | 1016 | } |
273a7ed5 WD |
1017 | if (preserve_hard_links && file->link_u.links |
1018 | && hard_link_check(file, ndx, fname, -1, &st, | |
1019 | itemizing, code, HL_SKIP)) | |
1020 | return; | |
728d0922 | 1021 | if (do_symlink(file->u.link,fname) != 0) { |
d62bcc17 | 1022 | rsyserr(FERROR, errno, "symlink %s -> \"%s\" failed", |
45c49b52 | 1023 | full_fname(fname), file->u.link); |
2f03f956 | 1024 | } else { |
e912bd4d | 1025 | set_file_attrs(fname, file, NULL, 0); |
6c3862fa | 1026 | if (itemizing) { |
ee1d11c4 | 1027 | itemize(file, ndx, statret, &st, |
ef20efcb | 1028 | ITEM_LOCAL_CHANGE, 0, NULL); |
6c3862fa | 1029 | } |
f4164b73 | 1030 | if (code != FNONE && verbose) { |
45c49b52 WD |
1031 | rprintf(code, "%s -> %s\n", fname, |
1032 | file->u.link); | |
2f03f956 | 1033 | } |
273a7ed5 WD |
1034 | if (preserve_hard_links && file->link_u.links) |
1035 | hard_link_cluster(file, ndx, itemizing, code); | |
47c11975 | 1036 | if (remove_source_files) |
04cd8789 | 1037 | goto return_with_success; |
2f03f956 AT |
1038 | } |
1039 | #endif | |
1040 | return; | |
1041 | } | |
1042 | ||
b5c6a6ae WD |
1043 | if ((am_root && preserve_devices && IS_DEVICE(file->mode)) |
1044 | || (preserve_specials && IS_SPECIAL(file->mode))) { | |
1c6e9dfa | 1045 | if (statret != 0 && basis_dir[0] != NULL) { |
48224e4c | 1046 | if (try_dests_non(file, fname, ndx, itemizing, |
e912bd4d | 1047 | maybe_ATTRS_REPORT, code) == -2) { |
ba212fe0 WD |
1048 | #ifndef CAN_HARDLINK_SPECIAL |
1049 | if (link_dest) { | |
1050 | /* Resort to --copy-dest behavior. */ | |
1051 | } else | |
1052 | #endif | |
48224e4c WD |
1053 | if (!copy_dest) |
1054 | return; | |
f4164b73 WD |
1055 | itemizing = 0; |
1056 | code = FNONE; | |
48224e4c WD |
1057 | } |
1058 | } | |
15cf186b WD |
1059 | if (statret != 0 |
1060 | || (st.st_mode & ~CHMOD_BITS) != (file->mode & ~CHMOD_BITS) | |
1061 | || st.st_rdev != file->u.rdev) { | |
0fdb1aa8 | 1062 | if (statret == 0 |
90cf7d19 | 1063 | && delete_item(fname, st.st_mode, del_opts) < 0) |
1f1d368a | 1064 | return; |
273a7ed5 WD |
1065 | if (preserve_hard_links && file->link_u.links |
1066 | && hard_link_check(file, ndx, fname, -1, &st, | |
1067 | itemizing, code, HL_SKIP)) | |
1068 | return; | |
b5c6a6ae WD |
1069 | if ((IS_DEVICE(file->mode) && !IS_DEVICE(st.st_mode)) |
1070 | || (IS_SPECIAL(file->mode) && !IS_SPECIAL(st.st_mode))) | |
88b218fa | 1071 | statret = -1; |
d62bcc17 | 1072 | if (verbose > 2) { |
2f03f956 | 1073 | rprintf(FINFO,"mknod(%s,0%o,0x%x)\n", |
45c49b52 | 1074 | fname, |
ecc81fce | 1075 | (int)file->mode, (int)file->u.rdev); |
d62bcc17 | 1076 | } |
00b96184 | 1077 | if (do_mknod(fname,file->mode,file->u.rdev) < 0) { |
d62bcc17 WD |
1078 | rsyserr(FERROR, errno, "mknod %s failed", |
1079 | full_fname(fname)); | |
2f03f956 | 1080 | } else { |
e912bd4d | 1081 | set_file_attrs(fname, file, NULL, 0); |
6c3862fa | 1082 | if (itemizing) { |
ee1d11c4 | 1083 | itemize(file, ndx, statret, &st, |
ef20efcb | 1084 | ITEM_LOCAL_CHANGE, 0, NULL); |
6c3862fa | 1085 | } |
f4164b73 | 1086 | if (code != FNONE && verbose) |
45c49b52 | 1087 | rprintf(code, "%s\n", fname); |
273a7ed5 WD |
1088 | if (preserve_hard_links && file->link_u.links) { |
1089 | hard_link_cluster(file, ndx, | |
1090 | itemizing, code); | |
1091 | } | |
47c11975 | 1092 | if (remove_source_files == 1) |
04cd8789 | 1093 | goto return_with_success; |
2f03f956 AT |
1094 | } |
1095 | } else { | |
ee1d11c4 | 1096 | if (itemizing) |
ef20efcb | 1097 | itemize(file, ndx, statret, &st, 0, 0, NULL); |
e912bd4d | 1098 | set_file_attrs(fname, file, &st, maybe_ATTRS_REPORT); |
273a7ed5 WD |
1099 | if (preserve_hard_links && file->link_u.links) |
1100 | hard_link_cluster(file, ndx, itemizing, code); | |
47c11975 | 1101 | if (remove_source_files == 1) |
04cd8789 | 1102 | goto return_with_success; |
2f03f956 AT |
1103 | } |
1104 | return; | |
1105 | } | |
2f03f956 | 1106 | |
2f03f956 | 1107 | if (!S_ISREG(file->mode)) { |
2a5d5a8c | 1108 | if (the_file_list->count == 1) |
6cbde57d | 1109 | fname = f_name(file, NULL); |
45c49b52 | 1110 | rprintf(FINFO, "skipping non-regular file \"%s\"\n", fname); |
2f03f956 AT |
1111 | return; |
1112 | } | |
1113 | ||
289a3216 WD |
1114 | if (max_size && file->length > max_size) { |
1115 | if (verbose > 1) { | |
1116 | if (the_file_list->count == 1) | |
6cbde57d | 1117 | fname = f_name(file, NULL); |
45c49b52 | 1118 | rprintf(FINFO, "%s is over max-size\n", fname); |
289a3216 WD |
1119 | } |
1120 | return; | |
1121 | } | |
02b5cb23 WD |
1122 | if (min_size && file->length < min_size) { |
1123 | if (verbose > 1) { | |
1124 | if (the_file_list->count == 1) | |
6cbde57d | 1125 | fname = f_name(file, NULL); |
45c49b52 | 1126 | rprintf(FINFO, "%s is under min-size\n", fname); |
02b5cb23 WD |
1127 | } |
1128 | return; | |
1129 | } | |
289a3216 | 1130 | |
e90aab49 | 1131 | if (ignore_existing && statret == 0) { |
c3cbcfb8 | 1132 | if (verbose > 1) |
45c49b52 | 1133 | rprintf(FINFO, "%s exists\n", fname); |
c3cbcfb8 WD |
1134 | return; |
1135 | } | |
1136 | ||
1137 | if (update_only && statret == 0 | |
0f86c74e | 1138 | && cmp_time(st.st_mtime, file->modtime) > 0) { |
c3cbcfb8 | 1139 | if (verbose > 1) |
45c49b52 | 1140 | rprintf(FINFO, "%s is newer\n", fname); |
c3cbcfb8 WD |
1141 | return; |
1142 | } | |
1143 | ||
375a4556 | 1144 | fnamecmp = fname; |
41cfde6b | 1145 | fnamecmp_type = FNAMECMP_FNAME; |
375a4556 | 1146 | |
1f1d368a | 1147 | if (statret == 0 && !S_ISREG(st.st_mode)) { |
90cf7d19 | 1148 | if (delete_item(fname, st.st_mode, del_opts) != 0) |
1f1d368a WD |
1149 | return; |
1150 | statret = -1; | |
1151 | stat_errno = ENOENT; | |
1152 | } | |
1153 | ||
06a1dbad | 1154 | if (statret != 0 && basis_dir[0] != NULL) { |
48224e4c | 1155 | int j = try_dests_reg(file, fname, ndx, fnamecmpbuf, &st, |
e912bd4d | 1156 | itemizing, maybe_ATTRS_REPORT, code); |
04cd8789 | 1157 | if (j == -2) { |
47c11975 | 1158 | if (remove_source_files == 1) |
04cd8789 | 1159 | goto return_with_success; |
48224e4c | 1160 | return; |
04cd8789 | 1161 | } |
b06050f9 | 1162 | if (j >= 0) { |
48224e4c WD |
1163 | fnamecmp = fnamecmpbuf; |
1164 | fnamecmp_type = j; | |
9ba46343 | 1165 | statret = 0; |
e7d13fe5 WD |
1166 | } |
1167 | } | |
1168 | ||
1f1d368a WD |
1169 | real_ret = statret; |
1170 | real_st = st; | |
375a4556 | 1171 | |
9d954dca | 1172 | if (partial_dir && (partialptr = partial_dir_fname(fname)) != NULL |
72c19bb3 WD |
1173 | && link_stat(partialptr, &partial_st, 0) == 0 |
1174 | && S_ISREG(partial_st.st_mode)) { | |
06a1dbad | 1175 | if (statret != 0) |
72c19bb3 WD |
1176 | goto prepare_to_open; |
1177 | } else | |
1178 | partialptr = NULL; | |
89f7eff3 | 1179 | |
ccb16b46 | 1180 | if (statret != 0 && fuzzy_dirlist && dry_run <= 1) { |
8e85be0a WD |
1181 | int j = find_fuzzy(file, fuzzy_dirlist); |
1182 | if (j >= 0) { | |
1183 | fuzzy_file = fuzzy_dirlist->files[j]; | |
6cbde57d | 1184 | f_name(fuzzy_file, fnamecmpbuf); |
8e85be0a WD |
1185 | if (verbose > 2) { |
1186 | rprintf(FINFO, "fuzzy basis selected for %s: %s\n", | |
45c49b52 | 1187 | fname, fnamecmpbuf); |
8e85be0a | 1188 | } |
8e85be0a | 1189 | st.st_size = fuzzy_file->length; |
8e85be0a WD |
1190 | statret = 0; |
1191 | fnamecmp = fnamecmpbuf; | |
1192 | fnamecmp_type = FNAMECMP_FUZZY; | |
1193 | } | |
1194 | } | |
1195 | ||
06a1dbad | 1196 | if (statret != 0) { |
273a7ed5 | 1197 | if (preserve_hard_links && file->link_u.links |
d8169e6f WD |
1198 | && hard_link_check(file, ndx, fname, statret, &st, |
1199 | itemizing, code, HL_SKIP)) | |
6dff5992 | 1200 | return; |
41cfde6b WD |
1201 | if (stat_errno == ENOENT) |
1202 | goto notify_others; | |
991daf00 WD |
1203 | rsyserr(FERROR, stat_errno, "recv_generator: failed to stat %s", |
1204 | full_fname(fname)); | |
2f03f956 AT |
1205 | return; |
1206 | } | |
1207 | ||
6cc11982 WD |
1208 | if (append_mode && st.st_size > file->length) |
1209 | return; | |
1210 | ||
48224e4c | 1211 | if (fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH) |
b7e8628c | 1212 | ; |
8e85be0a WD |
1213 | else if (fnamecmp_type == FNAMECMP_FUZZY) |
1214 | ; | |
b7e8628c | 1215 | else if (unchanged_file(fnamecmp, file, &st)) { |
d8b108c2 WD |
1216 | if (partialptr) { |
1217 | do_unlink(partialptr); | |
1218 | handle_partial_dir(partialptr, PDIR_DELETE); | |
1219 | } | |
48224e4c WD |
1220 | if (itemizing) { |
1221 | itemize(file, ndx, real_ret, &real_st, | |
1222 | 0, 0, NULL); | |
a1d23b53 | 1223 | } |
e912bd4d | 1224 | set_file_attrs(fname, file, &st, maybe_ATTRS_REPORT); |
48224e4c WD |
1225 | if (preserve_hard_links && file->link_u.links) |
1226 | hard_link_cluster(file, ndx, itemizing, code); | |
47c11975 | 1227 | if (remove_source_files != 1) |
04cd8789 WD |
1228 | return; |
1229 | return_with_success: | |
1230 | if (!dry_run) { | |
1231 | char numbuf[4]; | |
1232 | SIVAL(numbuf, 0, ndx); | |
1233 | send_msg(MSG_SUCCESS, numbuf, 4); | |
1234 | } | |
967866d4 | 1235 | return; |
2f03f956 AT |
1236 | } |
1237 | ||
b2e7c913 | 1238 | prepare_to_open: |
9d954dca WD |
1239 | if (partialptr) { |
1240 | st = partial_st; | |
1241 | fnamecmp = partialptr; | |
1242 | fnamecmp_type = FNAMECMP_PARTIAL_DIR; | |
1243 | statret = 0; | |
1244 | } | |
1245 | ||
beb51aa0 | 1246 | if (!do_xfers || read_batch || whole_file) |
3841a04e | 1247 | goto notify_others; |
2f03f956 | 1248 | |
ccb16b46 | 1249 | if (fuzzy_dirlist) { |
8e85be0a WD |
1250 | int j = flist_find(fuzzy_dirlist, file); |
1251 | if (j >= 0) /* don't use changing file as future fuzzy basis */ | |
1252 | fuzzy_dirlist->files[j]->flags |= FLAG_NO_FUZZY; | |
1253 | } | |
1254 | ||
2cda2560 | 1255 | /* open the file */ |
8c9fd200 | 1256 | fd = do_open(fnamecmp, O_RDONLY, 0); |
2f03f956 AT |
1257 | |
1258 | if (fd == -1) { | |
d62bcc17 WD |
1259 | rsyserr(FERROR, errno, "failed to open %s, continuing", |
1260 | full_fname(fnamecmp)); | |
b2e7c913 | 1261 | pretend_missing: |
60be6acf | 1262 | /* pretend the file didn't exist */ |
273a7ed5 | 1263 | if (preserve_hard_links && file->link_u.links |
d8169e6f WD |
1264 | && hard_link_check(file, ndx, fname, statret, &st, |
1265 | itemizing, code, HL_SKIP)) | |
6dff5992 | 1266 | return; |
1f1d368a | 1267 | statret = real_ret = -1; |
41cfde6b | 1268 | goto notify_others; |
2f03f956 AT |
1269 | } |
1270 | ||
ef20efcb | 1271 | if (inplace && make_backups && fnamecmp_type == FNAMECMP_FNAME) { |
cd6aa5b5 WD |
1272 | if (!(backupptr = get_backup_name(fname))) { |
1273 | close(fd); | |
1274 | return; | |
1275 | } | |
3de73827 | 1276 | if (!(back_file = make_file(fname, NULL, NULL, 0, NO_FILTERS))) { |
cd6aa5b5 WD |
1277 | close(fd); |
1278 | goto pretend_missing; | |
1279 | } | |
1280 | if (robust_unlink(backupptr) && errno != ENOENT) { | |
1281 | rsyserr(FERROR, errno, "unlink %s", | |
1282 | full_fname(backupptr)); | |
1283 | free(back_file); | |
1284 | close(fd); | |
1285 | return; | |
1286 | } | |
1287 | if ((f_copy = do_open(backupptr, | |
1288 | O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0) { | |
1289 | rsyserr(FERROR, errno, "open %s", | |
1290 | full_fname(backupptr)); | |
1291 | free(back_file); | |
1292 | close(fd); | |
1293 | return; | |
1294 | } | |
41cfde6b | 1295 | fnamecmp_type = FNAMECMP_BACKUP; |
cd6aa5b5 WD |
1296 | } |
1297 | ||
dfd5ba6a | 1298 | if (verbose > 3) { |
ecc81fce | 1299 | rprintf(FINFO, "gen mapped %s of size %.0f\n", |
45c49b52 | 1300 | fnamecmp, (double)st.st_size); |
dfd5ba6a | 1301 | } |
2f03f956 | 1302 | |
2f03f956 | 1303 | if (verbose > 2) |
0492fdfb | 1304 | rprintf(FINFO, "generating and sending sums for %d\n", ndx); |
2f03f956 | 1305 | |
b2e7c913 | 1306 | notify_others: |
47c11975 | 1307 | if (remove_source_files && !delay_updates && !phase) |
04cd8789 | 1308 | increment_active_files(ndx, itemizing, code); |
0492fdfb | 1309 | write_int(f_out, ndx); |
6c3862fa | 1310 | if (itemizing) { |
ee1d11c4 | 1311 | int iflags = ITEM_TRANSFER; |
8237f930 | 1312 | if (always_checksum) |
a1d23b53 | 1313 | iflags |= ITEM_REPORT_CHECKSUM; |
352963dd | 1314 | if (fnamecmp_type != FNAMECMP_FNAME) |
ef20efcb WD |
1315 | iflags |= ITEM_BASIS_TYPE_FOLLOWS; |
1316 | if (fnamecmp_type == FNAMECMP_FUZZY) | |
1317 | iflags |= ITEM_XNAME_FOLLOWS; | |
1f1d368a | 1318 | itemize(file, -1, real_ret, &real_st, iflags, fnamecmp_type, |
ef20efcb | 1319 | fuzzy_file ? fuzzy_file->basename : NULL); |
8e85be0a | 1320 | } |
cd6aa5b5 | 1321 | |
beb51aa0 | 1322 | if (!do_xfers) { |
ee1d11c4 WD |
1323 | if (preserve_hard_links && file->link_u.links) |
1324 | hard_link_cluster(file, ndx, itemizing, code); | |
1325 | return; | |
1326 | } | |
1327 | if (read_batch) | |
41cfde6b WD |
1328 | return; |
1329 | ||
33ab4ad8 | 1330 | if (statret != 0 || whole_file) { |
e86ae6bc WD |
1331 | write_sum_head(f_out, NULL); |
1332 | return; | |
1333 | } | |
1334 | ||
1335 | generate_and_send_sums(fd, st.st_size, f_out, f_copy); | |
1336 | ||
1337 | if (f_copy >= 0) { | |
1338 | close(f_copy); | |
e912bd4d | 1339 | set_file_attrs(backupptr, back_file, NULL, 0); |
e86ae6bc WD |
1340 | if (verbose > 1) { |
1341 | rprintf(FINFO, "backed up %s to %s\n", | |
45c49b52 | 1342 | fname, backupptr); |
41cfde6b | 1343 | } |
e86ae6bc WD |
1344 | free(back_file); |
1345 | } | |
41cfde6b | 1346 | |
e86ae6bc | 1347 | close(fd); |
2f03f956 AT |
1348 | } |
1349 | ||
ef20efcb | 1350 | void generate_files(int f_out, struct file_list *flist, char *local_name) |
2f03f956 | 1351 | { |
ac40b747 | 1352 | int i; |
968c8030 | 1353 | char fbuf[MAXPATHLEN]; |
e912bd4d | 1354 | int itemizing, maybe_ATTRS_REPORT; |
7433d73a | 1355 | enum logcode code; |
ac40b747 | 1356 | int lull_mod = allowed_lull * 5; |
3ea9bbd6 WD |
1357 | int need_retouch_dir_times = preserve_times && !omit_dir_times; |
1358 | int need_retouch_dir_perms = 0; | |
e90aab49 WD |
1359 | int save_ignore_existing = ignore_existing; |
1360 | int save_ignore_non_existing = ignore_non_existing; | |
083acd49 | 1361 | int save_do_progress = do_progress; |
cd908ef4 | 1362 | int save_make_backups = make_backups; |
88a16c8b | 1363 | int dir_tweaking = !(list_only || local_name || dry_run); |
ee1d11c4 | 1364 | |
7433d73a WD |
1365 | if (protocol_version >= 29) { |
1366 | itemizing = 1; | |
17bda2d1 | 1367 | maybe_ATTRS_REPORT = stdout_format_has_i ? 0 : ATTRS_REPORT; |
f4164b73 | 1368 | code = logfile_format_has_i ? FNONE : FLOG; |
7433d73a | 1369 | } else if (am_daemon) { |
ecc7623e | 1370 | itemizing = logfile_format_has_i && do_xfers; |
e912bd4d | 1371 | maybe_ATTRS_REPORT = ATTRS_REPORT; |
beb51aa0 | 1372 | code = itemizing || !do_xfers ? FCLIENT : FINFO; |
7433d73a | 1373 | } else if (!am_server) { |
17bda2d1 WD |
1374 | itemizing = stdout_format_has_i; |
1375 | maybe_ATTRS_REPORT = stdout_format_has_i ? 0 : ATTRS_REPORT; | |
f4164b73 | 1376 | code = itemizing ? FNONE : FINFO; |
7433d73a WD |
1377 | } else { |
1378 | itemizing = 0; | |
e912bd4d | 1379 | maybe_ATTRS_REPORT = ATTRS_REPORT; |
7433d73a WD |
1380 | code = FINFO; |
1381 | } | |
2f03f956 | 1382 | |
45e08edb WD |
1383 | if (verbose > 2) { |
1384 | rprintf(FINFO, "generator starting pid=%ld count=%d\n", | |
1385 | (long)getpid(), flist->count); | |
1386 | } | |
2f03f956 | 1387 | |
59faec8b | 1388 | if (delete_before && !local_name && flist->count > 0) |
ee1d11c4 | 1389 | do_delete_pass(flist); |
083acd49 | 1390 | do_progress = 0; |
59faec8b | 1391 | |
6cc11982 | 1392 | if (append_mode || whole_file < 0) |
33ab4ad8 | 1393 | whole_file = 0; |
3e7053ac | 1394 | if (verbose >= 2) { |
1b1fef20 | 1395 | rprintf(FINFO, "delta-transmission %s\n", |
33ab4ad8 | 1396 | whole_file |
1b1fef20 WD |
1397 | ? "disabled for local transfer or --whole-file" |
1398 | : "enabled"); | |
3e7053ac | 1399 | } |
2cda2560 | 1400 | |
513fd04d WD |
1401 | /* Since we often fill up the outgoing socket and then just sit around |
1402 | * waiting for the other 2 processes to do their thing, we don't want | |
1403 | * to exit on a timeout. If the data stops flowing, the receiver will | |
1404 | * notice that and let us know via the redo pipe (or its closing). */ | |
1405 | ignore_timeout = 1; | |
a57873b7 | 1406 | |
2f03f956 AT |
1407 | for (i = 0; i < flist->count; i++) { |
1408 | struct file_struct *file = flist->files[i]; | |
2f03f956 | 1409 | |
dfd5ba6a WD |
1410 | if (!file->basename) |
1411 | continue; | |
0492fdfb | 1412 | |
0e5665d3 WD |
1413 | if (local_name) |
1414 | strlcpy(fbuf, local_name, sizeof fbuf); | |
1415 | else | |
6cbde57d | 1416 | f_name(file, fbuf); |
e912bd4d | 1417 | recv_generator(fbuf, file, i, itemizing, maybe_ATTRS_REPORT, |
0e5665d3 | 1418 | code, f_out); |
1f7e29b9 | 1419 | |
0492fdfb WD |
1420 | /* We need to ensure that any dirs we create have writeable |
1421 | * permissions during the time we are putting files within | |
1422 | * them. This is then fixed after the transfer is done. */ | |
00b96184 | 1423 | #ifdef HAVE_CHMOD |
41b84ce0 | 1424 | if (!am_root && S_ISDIR(file->mode) && !(file->mode & S_IWUSR) |
88a16c8b | 1425 | && dir_tweaking) { |
e912bd4d | 1426 | mode_t mode = file->mode | S_IWUSR; /* user write */ |
1f7e29b9 | 1427 | char *fname = local_name ? local_name : fbuf; |
00b96184 | 1428 | if (do_chmod(fname, mode) < 0) { |
1f7e29b9 WD |
1429 | rsyserr(FERROR, errno, |
1430 | "failed to modify permissions on %s", | |
1431 | full_fname(fname)); | |
1432 | } | |
3ea9bbd6 | 1433 | need_retouch_dir_perms = 1; |
2f03f956 | 1434 | } |
00b96184 | 1435 | #endif |
2f03f956 | 1436 | |
ee1d11c4 WD |
1437 | if (preserve_hard_links) |
1438 | check_for_finished_hlinks(itemizing, code); | |
9ac2395b | 1439 | |
18a11cfd | 1440 | if (allowed_lull && !(i % lull_mod)) |
ee1d11c4 | 1441 | maybe_send_keepalive(); |
c2523a05 | 1442 | else if (!(i % 200)) |
417099fa | 1443 | maybe_flush_socket(); |
2f03f956 | 1444 | } |
ef20efcb | 1445 | recv_generator(NULL, NULL, 0, 0, 0, code, -1); |
c93fad5e | 1446 | if (delete_during) |
0e82af2d | 1447 | delete_in_dir(NULL, NULL, NULL, NULL); |
2f03f956 AT |
1448 | |
1449 | phase++; | |
1450 | csum_length = SUM_LENGTH; | |
02b5cb23 | 1451 | max_size = min_size = ignore_existing = ignore_non_existing = 0; |
0492fdfb | 1452 | update_only = always_checksum = size_only = 0; |
e1f67417 | 1453 | ignore_times = 1; |
6cc11982 WD |
1454 | if (append_mode) /* resend w/o append mode */ |
1455 | append_mode = -1; /* ... but only longer files */ | |
e6bc6f42 | 1456 | make_backups = 0; /* avoid a duplicate backup for inplace processing */ |
2f03f956 AT |
1457 | |
1458 | if (verbose > 2) | |
1459 | rprintf(FINFO,"generate_files phase=%d\n",phase); | |
1460 | ||
7daccb8e | 1461 | write_int(f_out, -1); |
2f03f956 | 1462 | |
bc63ae3f S |
1463 | /* files can cycle through the system more than once |
1464 | * to catch initial checksum errors */ | |
ee1d11c4 | 1465 | while ((i = get_redo_num(itemizing, code)) != -1) { |
bc63ae3f | 1466 | struct file_struct *file = flist->files[i]; |
0e5665d3 WD |
1467 | if (local_name) |
1468 | strlcpy(fbuf, local_name, sizeof fbuf); | |
1469 | else | |
6cbde57d | 1470 | f_name(file, fbuf); |
e912bd4d | 1471 | recv_generator(fbuf, file, i, itemizing, maybe_ATTRS_REPORT, |
0e5665d3 | 1472 | code, f_out); |
bc63ae3f | 1473 | } |
2f03f956 | 1474 | |
bc63ae3f | 1475 | phase++; |
e90aab49 WD |
1476 | ignore_non_existing = save_ignore_non_existing; |
1477 | ignore_existing = save_ignore_existing; | |
cd908ef4 | 1478 | make_backups = save_make_backups; |
0492fdfb | 1479 | |
bc63ae3f S |
1480 | if (verbose > 2) |
1481 | rprintf(FINFO,"generate_files phase=%d\n",phase); | |
2f03f956 | 1482 | |
7daccb8e | 1483 | write_int(f_out, -1); |
70352269 WD |
1484 | /* Reduce round-trip lag-time for a useless delay-updates phase. */ |
1485 | if (protocol_version >= 29 && !delay_updates) | |
1486 | write_int(f_out, -1); | |
6dff5992 | 1487 | |
0438f100 | 1488 | /* Read MSG_DONE for the redo phase (and any prior messages). */ |
ee1d11c4 | 1489 | get_redo_num(itemizing, code); |
6dff5992 | 1490 | |
0438f100 WD |
1491 | if (protocol_version >= 29) { |
1492 | phase++; | |
1493 | if (verbose > 2) | |
1494 | rprintf(FINFO, "generate_files phase=%d\n", phase); | |
70352269 WD |
1495 | if (delay_updates) |
1496 | write_int(f_out, -1); | |
1497 | /* Read MSG_DONE for delay-updates phase & prior messages. */ | |
0438f100 WD |
1498 | get_redo_num(itemizing, code); |
1499 | } | |
1500 | ||
083acd49 | 1501 | do_progress = save_do_progress; |
59faec8b | 1502 | if (delete_after && !local_name && flist->count > 0) |
ee1d11c4 | 1503 | do_delete_pass(flist); |
59faec8b | 1504 | |
88a16c8b | 1505 | if ((need_retouch_dir_perms || need_retouch_dir_times) && dir_tweaking) { |
18a11cfd | 1506 | int j = 0; |
3ea9bbd6 WD |
1507 | /* Now we need to fix any directory permissions that were |
1508 | * modified during the transfer and/or re-set any tweaked | |
1509 | * modified-time values. */ | |
1510 | for (i = 0; i < flist->count; i++) { | |
1511 | struct file_struct *file = flist->files[i]; | |
b435d717 | 1512 | |
3ea9bbd6 WD |
1513 | if (!file->basename || !S_ISDIR(file->mode)) |
1514 | continue; | |
1515 | if (!need_retouch_dir_times && file->mode & S_IWUSR) | |
1516 | continue; | |
caff3322 WD |
1517 | if (file->flags & FLAG_MISSING) { |
1518 | int missing = file->dir.depth; | |
1519 | while (++i < flist->count) { | |
1520 | file = flist->files[i]; | |
1521 | if (file->dir.depth <= missing) | |
1522 | break; | |
1523 | } | |
1524 | i--; | |
1525 | continue; | |
1526 | } | |
6cbde57d | 1527 | recv_generator(f_name(file, NULL), file, i, itemizing, |
e912bd4d | 1528 | maybe_ATTRS_REPORT, code, -1); |
417099fa | 1529 | if (allowed_lull && !(++j % lull_mod)) |
ee1d11c4 | 1530 | maybe_send_keepalive(); |
c2523a05 | 1531 | else if (!(j % 200)) |
417099fa | 1532 | maybe_flush_socket(); |
3ea9bbd6 | 1533 | } |
6dff5992 | 1534 | } |
ef20efcb | 1535 | recv_generator(NULL, NULL, 0, 0, 0, code, -1); |
6dff5992 | 1536 | |
f75a53e7 WD |
1537 | if (max_delete > 0 && deletion_count > max_delete) { |
1538 | rprintf(FINFO, | |
1539 | "Deletions stopped due to --max-delete limit (%d skipped)\n", | |
1540 | deletion_count - max_delete); | |
1541 | io_error |= IOERR_DEL_LIMIT; | |
1542 | } | |
1543 | ||
6dff5992 WD |
1544 | if (verbose > 2) |
1545 | rprintf(FINFO,"generate_files finished\n"); | |
2f03f956 | 1546 | } |