Commit | Line | Data |
---|---|---|
dbda5fbf | 1 | /* |
c627d613 AT |
2 | Copyright (C) Andrew Tridgell 1996 |
3 | Copyright (C) Paul Mackerras 1996 | |
736a6a29 | 4 | Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org> |
dbda5fbf | 5 | |
c627d613 AT |
6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
dbda5fbf | 10 | |
c627d613 AT |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
dbda5fbf | 15 | |
c627d613 AT |
16 | You should have received a copy of the GNU General Public License |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | */ | |
20 | ||
736a6a29 MP |
21 | /** @file flist.c |
22 | * Generate and receive file lists | |
23 | * | |
172875cf MP |
24 | * @sa http://lists.samba.org/pipermail/rsync/2000-June/002351.html |
25 | * | |
736a6a29 | 26 | **/ |
c627d613 AT |
27 | |
28 | #include "rsync.h" | |
29 | ||
a800434a AT |
30 | extern struct stats stats; |
31 | ||
c627d613 | 32 | extern int verbose; |
1bbd10fe | 33 | extern int do_progress; |
f05f993e | 34 | extern int am_root; |
c627d613 | 35 | extern int am_server; |
a8726d2a | 36 | extern int am_daemon; |
56194bcd | 37 | extern int am_sender; |
c627d613 | 38 | extern int always_checksum; |
983b1ed3 WD |
39 | extern int module_id; |
40 | extern int ignore_errors; | |
4836c3ee | 41 | extern int numeric_ids; |
a06d19e3 | 42 | extern int recurse; |
7e037c42 | 43 | extern int xfer_dirs; |
24d0fcde | 44 | extern int filesfrom_fd; |
c627d613 | 45 | extern int one_file_system; |
314f4591 | 46 | extern int keep_dirlinks; |
c627d613 | 47 | extern int preserve_links; |
dc5ddbcc | 48 | extern int preserve_hard_links; |
c627d613 AT |
49 | extern int preserve_perms; |
50 | extern int preserve_devices; | |
51 | extern int preserve_uid; | |
52 | extern int preserve_gid; | |
6574b4f7 | 53 | extern int relative_paths; |
24d0fcde | 54 | extern int implied_dirs; |
82306bf6 | 55 | extern int copy_links; |
b5313607 | 56 | extern int copy_unsafe_links; |
d04e9c51 | 57 | extern int protocol_version; |
cb13abfe | 58 | extern int sanitize_paths; |
e1f40891 | 59 | extern int deletion_count; |
649f8742 | 60 | extern int max_delete; |
314f4591 WD |
61 | extern int orig_umask; |
62 | extern int list_only; | |
e1f40891 | 63 | extern unsigned int curr_dir_len; |
74481777 | 64 | extern char *log_format; |
c627d613 | 65 | |
e1f40891 WD |
66 | extern char curr_dir[MAXPATHLEN]; |
67 | ||
7842418b WD |
68 | extern struct filter_list_struct filter_list; |
69 | extern struct filter_list_struct server_filter_list; | |
c627d613 | 70 | |
06c28400 WD |
71 | int io_error; |
72 | ||
fea4db62 | 73 | static char empty_sum[MD4_SUM_LENGTH]; |
9935066b | 74 | static unsigned int file_struct_len; |
bf0c5bec | 75 | static struct file_list *received_flist, *sorting_flist; |
45478cc7 | 76 | static dev_t filesystem_dev; /* used to implement -x */ |
3d382777 | 77 | |
827c37f6 | 78 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups); |
48ea74bf | 79 | static void output_flist(struct file_list *flist, const char *whose_list); |
0199b05f | 80 | |
61dec11a WD |
81 | void init_flist(void) |
82 | { | |
1f9ae80a | 83 | struct file_struct f; |
61dec11a | 84 | |
1f9ae80a | 85 | /* Figure out how big the file_struct is without trailing padding */ |
7cf8e8d0 | 86 | file_struct_len = offsetof(struct file_struct, flags) + sizeof f.flags; |
61dec11a WD |
87 | } |
88 | ||
89 | ||
1bbd10fe | 90 | static int show_filelist_p(void) |
58225000 | 91 | { |
7e037c42 | 92 | return verbose && xfer_dirs && !am_server; |
1bbd10fe | 93 | } |
ebed4c3a | 94 | |
1bbd10fe DD |
95 | static void start_filelist_progress(char *kind) |
96 | { | |
97 | rprintf(FINFO, "%s ... ", kind); | |
e5ce3bcf | 98 | if (verbose > 1 || do_progress) |
1bbd10fe DD |
99 | rprintf(FINFO, "\n"); |
100 | rflush(FINFO); | |
58225000 MP |
101 | } |
102 | ||
db719fb0 | 103 | |
d27cbec5 | 104 | static void emit_filelist_progress(const struct file_list *flist) |
db719fb0 | 105 | { |
d27cbec5 | 106 | rprintf(FINFO, " %d files...\r", flist->count); |
db719fb0 MP |
107 | } |
108 | ||
109 | ||
d27cbec5 | 110 | static void maybe_emit_filelist_progress(const struct file_list *flist) |
58225000 | 111 | { |
e5ce3bcf | 112 | if (do_progress && show_filelist_p() && (flist->count % 100) == 0) |
d27cbec5 | 113 | emit_filelist_progress(flist); |
58225000 MP |
114 | } |
115 | ||
116 | ||
1bbd10fe | 117 | static void finish_filelist_progress(const struct file_list *flist) |
58225000 | 118 | { |
1bbd10fe DD |
119 | if (do_progress) { |
120 | /* This overwrites the progress line */ | |
c7b562be MP |
121 | rprintf(FINFO, "%d file%sto consider\n", |
122 | flist->count, flist->count == 1 ? " " : "s "); | |
b7736c79 | 123 | } else |
1bbd10fe | 124 | rprintf(FINFO, "done\n"); |
58225000 MP |
125 | } |
126 | ||
86943126 MP |
127 | void show_flist_stats(void) |
128 | { | |
129 | /* Nothing yet */ | |
130 | } | |
131 | ||
132 | ||
f7632fc6 AT |
133 | static void list_file_entry(struct file_struct *f) |
134 | { | |
740819ef | 135 | char perms[11]; |
f7632fc6 | 136 | |
e5ce3bcf | 137 | if (!f->basename) { |
7212be92 DD |
138 | /* this can happen if duplicate names were removed */ |
139 | return; | |
e5ce3bcf | 140 | } |
7212be92 | 141 | |
740819ef MP |
142 | permstring(perms, f->mode); |
143 | ||
4f5b0756 | 144 | #ifdef SUPPORT_LINKS |
f7632fc6 | 145 | if (preserve_links && S_ISLNK(f->mode)) { |
ebed4c3a MP |
146 | rprintf(FINFO, "%s %11.0f %s %s -> %s\n", |
147 | perms, | |
a4a7e64c | 148 | (double)f->length, timestring(f->modtime), |
71903f60 | 149 | safe_fname(f_name(f)), safe_fname(f->u.link)); |
0d162bd1 WD |
150 | } else |
151 | #endif | |
e5ce3bcf | 152 | { |
ebed4c3a MP |
153 | rprintf(FINFO, "%s %11.0f %s %s\n", |
154 | perms, | |
a4a7e64c | 155 | (double)f->length, timestring(f->modtime), |
54b40598 | 156 | safe_fname(f_name(f))); |
e5ce3bcf | 157 | } |
f7632fc6 AT |
158 | } |
159 | ||
160 | ||
bd9e9ecc MP |
161 | /** |
162 | * Stat either a symlink or its referent, depending on the settings of | |
163 | * copy_links, copy_unsafe_links, etc. | |
164 | * | |
4e5db0ad MP |
165 | * @retval -1 on error |
166 | * | |
167 | * @retval 0 for success | |
168 | * | |
169 | * @post If @p path is a symlink, then @p linkbuf (of size @c | |
bd9e9ecc | 170 | * MAXPATHLEN) contains the symlink target. |
4e5db0ad MP |
171 | * |
172 | * @post @p buffer contains information about the link or the | |
173 | * referrent as appropriate, if they exist. | |
bd9e9ecc | 174 | **/ |
23f4587f | 175 | static int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf) |
b5313607 | 176 | { |
4f5b0756 | 177 | #ifdef SUPPORT_LINKS |
b7736c79 | 178 | if (copy_links) |
6f2623fd | 179 | return do_stat(path, buffer); |
23f4587f | 180 | if (link_stat(path, buffer, 0) < 0) |
b5313607 | 181 | return -1; |
6f2623fd | 182 | if (S_ISLNK(buffer->st_mode)) { |
a4a7e64c | 183 | int l = readlink((char *)path, linkbuf, MAXPATHLEN - 1); |
dbda5fbf | 184 | if (l == -1) |
b5313607 | 185 | return -1; |
6f2623fd | 186 | linkbuf[l] = 0; |
fc638474 DD |
187 | if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) { |
188 | if (verbose > 1) { | |
dbda5fbf | 189 | rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n", |
71903f60 | 190 | safe_fname(path), safe_fname(linkbuf)); |
fc638474 | 191 | } |
6f2623fd | 192 | return do_stat(path, buffer); |
b5313607 DD |
193 | } |
194 | } | |
195 | return 0; | |
196 | #else | |
6f2623fd | 197 | return do_stat(path, buffer); |
b5313607 DD |
198 | #endif |
199 | } | |
200 | ||
314f4591 | 201 | int link_stat(const char *path, STRUCT_STAT *buffer, int follow_dirlinks) |
82306bf6 | 202 | { |
4f5b0756 | 203 | #ifdef SUPPORT_LINKS |
b7736c79 | 204 | if (copy_links) |
6f2623fd | 205 | return do_stat(path, buffer); |
314f4591 WD |
206 | if (do_lstat(path, buffer) < 0) |
207 | return -1; | |
208 | if (follow_dirlinks && S_ISLNK(buffer->st_mode)) { | |
209 | STRUCT_STAT st; | |
210 | if (do_stat(path, &st) == 0 && S_ISDIR(st.st_mode)) | |
211 | *buffer = st; | |
212 | } | |
213 | return 0; | |
82306bf6 | 214 | #else |
6f2623fd | 215 | return do_stat(path, buffer); |
82306bf6 AT |
216 | #endif |
217 | } | |
218 | ||
7842418b | 219 | /* This function is used to check if a file should be included/excluded |
429f9828 | 220 | * from the list of files based on its name and type etc. The value of |
7842418b WD |
221 | * filter_level is set to either SERVER_FILTERS or ALL_FILTERS. */ |
222 | static int is_excluded(char *fname, int is_dir, int filter_level) | |
c627d613 | 223 | { |
7d687932 | 224 | #if 0 /* This currently never happens, so avoid a useless compare. */ |
7842418b | 225 | if (filter_level == NO_FILTERS) |
429f9828 WD |
226 | return 0; |
227 | #endif | |
6931c138 | 228 | if (fname) { |
429f9828 | 229 | /* never exclude '.', even if somebody does --exclude '*' */ |
6931c138 WD |
230 | if (fname[0] == '.' && !fname[1]) |
231 | return 0; | |
232 | /* Handle the -R version of the '.' dir. */ | |
233 | if (fname[0] == '/') { | |
234 | int len = strlen(fname); | |
235 | if (fname[len-1] == '.' && fname[len-2] == '/') | |
236 | return 0; | |
237 | } | |
76e26e10 | 238 | } |
7842418b WD |
239 | if (server_filter_list.head |
240 | && check_filter(&server_filter_list, fname, is_dir) < 0) | |
429f9828 | 241 | return 1; |
7842418b | 242 | if (filter_level != ALL_FILTERS) |
429f9828 | 243 | return 0; |
7842418b WD |
244 | if (filter_list.head |
245 | && check_filter(&filter_list, fname, is_dir) < 0) | |
76e26e10 | 246 | return 1; |
76e26e10 | 247 | return 0; |
c627d613 AT |
248 | } |
249 | ||
b280a1f4 AT |
250 | static int to_wire_mode(mode_t mode) |
251 | { | |
4f5b0756 | 252 | #ifdef SUPPORT_LINKS |
b7736c79 | 253 | if (S_ISLNK(mode) && (_S_IFLNK != 0120000)) |
b280a1f4 | 254 | return (mode & ~(_S_IFMT)) | 0120000; |
0d162bd1 | 255 | #endif |
a4a7e64c | 256 | return (int)mode; |
b280a1f4 AT |
257 | } |
258 | ||
259 | static mode_t from_wire_mode(int mode) | |
260 | { | |
b7736c79 | 261 | if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000)) |
efe3037c | 262 | return (mode & ~(_S_IFMT)) | _S_IFLNK; |
a4a7e64c | 263 | return (mode_t)mode; |
b280a1f4 AT |
264 | } |
265 | ||
266 | ||
f1773e09 WD |
267 | static void send_directory(int f, struct file_list *flist, |
268 | char *fbuf, unsigned int offset); | |
c627d613 | 269 | |
3a6a366f | 270 | static char *flist_dir; |
882e6893 | 271 | static int flist_dir_len; |
c627d613 | 272 | |
3ec4dd97 | 273 | |
d9d6bc52 MP |
274 | /** |
275 | * Make sure @p flist is big enough to hold at least @p flist->count | |
276 | * entries. | |
277 | **/ | |
a85906c7 | 278 | void flist_expand(struct file_list *flist) |
d9d6bc52 | 279 | { |
0501f363 | 280 | struct file_struct **new_ptr; |
2e7d1994 | 281 | |
a85906c7 S |
282 | if (flist->count < flist->malloced) |
283 | return; | |
dbda5fbf | 284 | |
a85906c7 S |
285 | if (flist->malloced < FLIST_START) |
286 | flist->malloced = FLIST_START; | |
287 | else if (flist->malloced >= FLIST_LINEAR) | |
288 | flist->malloced += FLIST_LINEAR; | |
289 | else | |
290 | flist->malloced *= 2; | |
291 | ||
292 | /* | |
293 | * In case count jumped or we are starting the list | |
294 | * with a known size just set it. | |
295 | */ | |
296 | if (flist->malloced < flist->count) | |
297 | flist->malloced = flist->count; | |
298 | ||
0501f363 WD |
299 | new_ptr = realloc_array(flist->files, struct file_struct *, |
300 | flist->malloced); | |
2e7d1994 | 301 | |
8c483820 | 302 | if (verbose >= 2 && flist->malloced != FLIST_START) { |
a85906c7 S |
303 | rprintf(FINFO, "[%s] expand file_list to %.0f bytes, did%s move\n", |
304 | who_am_i(), | |
a4a7e64c | 305 | (double)sizeof flist->files[0] * flist->malloced, |
a85906c7 | 306 | (new_ptr == flist->files) ? " not" : ""); |
d9d6bc52 | 307 | } |
a85906c7 | 308 | |
0501f363 | 309 | flist->files = new_ptr; |
a85906c7 S |
310 | |
311 | if (!flist->files) | |
312 | out_of_memory("flist_expand"); | |
d9d6bc52 MP |
313 | } |
314 | ||
7b1a0c19 | 315 | void send_file_entry(struct file_struct *file, int f, unsigned short base_flags) |
c627d613 | 316 | { |
1ef00d20 | 317 | unsigned short flags; |
5911fee5 WD |
318 | static time_t modtime; |
319 | static mode_t mode; | |
1490812a | 320 | static int64 dev; |
4124540d | 321 | static dev_t rdev; |
9c5e91f8 | 322 | static uint32 rdev_major; |
5911fee5 WD |
323 | static uid_t uid; |
324 | static gid_t gid; | |
325 | static char lastname[MAXPATHLEN]; | |
f376e674 | 326 | char fname[MAXPATHLEN]; |
ebed4c3a | 327 | int l1, l2; |
72914a60 | 328 | |
37802f40 | 329 | if (f < 0) |
ebed4c3a | 330 | return; |
72914a60 AT |
331 | |
332 | if (!file) { | |
ebed4c3a | 333 | write_byte(f, 0); |
5911fee5 | 334 | modtime = 0, mode = 0; |
4124540d | 335 | dev = 0, rdev = makedev(0, 0); |
9c5e91f8 | 336 | rdev_major = 0; |
5911fee5 WD |
337 | uid = 0, gid = 0; |
338 | *lastname = '\0'; | |
72914a60 AT |
339 | return; |
340 | } | |
341 | ||
eca2adb4 MP |
342 | io_write_phase = "send_file_entry"; |
343 | ||
f376e674 | 344 | f_name_to(file, fname); |
72914a60 AT |
345 | |
346 | flags = base_flags; | |
347 | ||
30f337c9 | 348 | if (file->mode == mode) |
d01d15e0 | 349 | flags |= XMIT_SAME_MODE; |
1ef00d20 | 350 | else |
30f337c9 | 351 | mode = file->mode; |
75bc8600 WD |
352 | if (preserve_devices) { |
353 | if (protocol_version < 28) { | |
728d0922 | 354 | if (IS_DEVICE(mode)) { |
9c5e91f8 WD |
355 | if (file->u.rdev == rdev) |
356 | flags |= XMIT_SAME_RDEV_pre28; | |
357 | else | |
728d0922 WD |
358 | rdev = file->u.rdev; |
359 | } else | |
9c5e91f8 | 360 | rdev = makedev(0, 0); |
728d0922 | 361 | } else if (IS_DEVICE(mode)) { |
84a3efa0 | 362 | rdev = file->u.rdev; |
9c5e91f8 WD |
363 | if ((uint32)major(rdev) == rdev_major) |
364 | flags |= XMIT_SAME_RDEV_MAJOR; | |
84a3efa0 | 365 | else |
9c5e91f8 WD |
366 | rdev_major = major(rdev); |
367 | if ((uint32)minor(rdev) <= 0xFFu) | |
368 | flags |= XMIT_RDEV_MINOR_IS_SMALL; | |
75bc8600 WD |
369 | } |
370 | } | |
30f337c9 | 371 | if (file->uid == uid) |
d01d15e0 | 372 | flags |= XMIT_SAME_UID; |
1ef00d20 | 373 | else |
30f337c9 WD |
374 | uid = file->uid; |
375 | if (file->gid == gid) | |
d01d15e0 | 376 | flags |= XMIT_SAME_GID; |
1ef00d20 | 377 | else |
30f337c9 WD |
378 | gid = file->gid; |
379 | if (file->modtime == modtime) | |
d01d15e0 | 380 | flags |= XMIT_SAME_TIME; |
1ef00d20 | 381 | else |
30f337c9 | 382 | modtime = file->modtime; |
a289addd | 383 | |
4f5b0756 | 384 | #ifdef SUPPORT_HARD_LINKS |
92cc9dd7 WD |
385 | if (file->link_u.idev) { |
386 | if (file->F_DEV == dev) { | |
c4b4df4f | 387 | if (protocol_version >= 28) |
d01d15e0 | 388 | flags |= XMIT_SAME_DEV; |
728d0922 | 389 | } else |
92cc9dd7 | 390 | dev = file->F_DEV; |
d01d15e0 | 391 | flags |= XMIT_HAS_IDEV_DATA; |
c4b4df4f | 392 | } |
0d162bd1 | 393 | #endif |
ebed4c3a MP |
394 | |
395 | for (l1 = 0; | |
3e491682 S |
396 | lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255); |
397 | l1++) {} | |
eddd5d12 | 398 | l2 = strlen(fname+l1); |
72914a60 | 399 | |
ebed4c3a | 400 | if (l1 > 0) |
d01d15e0 | 401 | flags |= XMIT_SAME_NAME; |
ebed4c3a | 402 | if (l2 > 255) |
d01d15e0 | 403 | flags |= XMIT_LONG_NAME; |
72914a60 | 404 | |
1aa4caf3 WD |
405 | /* We must make sure we don't send a zero flag byte or the |
406 | * other end will terminate the flist transfer. Note that | |
ee3751c8 | 407 | * the use of XMIT_TOP_DIR on a non-dir has no meaning, so |
1aa4caf3 | 408 | * it's harmless way to add a bit to the first flag byte. */ |
75bc8600 | 409 | if (protocol_version >= 28) { |
1aa4caf3 | 410 | if (!flags && !S_ISDIR(mode)) |
ee3751c8 | 411 | flags |= XMIT_TOP_DIR; |
1aa4caf3 | 412 | if ((flags & 0xFF00) || !flags) { |
d01d15e0 | 413 | flags |= XMIT_EXTENDED_FLAGS; |
75bc8600 WD |
414 | write_byte(f, flags); |
415 | write_byte(f, flags >> 8); | |
416 | } else | |
417 | write_byte(f, flags); | |
418 | } else { | |
1aa4caf3 | 419 | if (!(flags & 0xFF) && !S_ISDIR(mode)) |
ee3751c8 | 420 | flags |= XMIT_TOP_DIR; |
0a982011 | 421 | if (!(flags & 0xFF)) |
d01d15e0 | 422 | flags |= XMIT_LONG_NAME; |
75bc8600 WD |
423 | write_byte(f, flags); |
424 | } | |
d01d15e0 | 425 | if (flags & XMIT_SAME_NAME) |
ebed4c3a | 426 | write_byte(f, l1); |
d01d15e0 | 427 | if (flags & XMIT_LONG_NAME) |
ebed4c3a | 428 | write_int(f, l2); |
72914a60 | 429 | else |
ebed4c3a MP |
430 | write_byte(f, l2); |
431 | write_buf(f, fname + l1, l2); | |
72914a60 | 432 | |
ebed4c3a | 433 | write_longint(f, file->length); |
d01d15e0 | 434 | if (!(flags & XMIT_SAME_TIME)) |
30f337c9 | 435 | write_int(f, modtime); |
d01d15e0 | 436 | if (!(flags & XMIT_SAME_MODE)) |
30f337c9 | 437 | write_int(f, to_wire_mode(mode)); |
d01d15e0 | 438 | if (preserve_uid && !(flags & XMIT_SAME_UID)) { |
9f7b8c3b WD |
439 | if (!numeric_ids) |
440 | add_uid(uid); | |
30f337c9 | 441 | write_int(f, uid); |
72914a60 | 442 | } |
d01d15e0 | 443 | if (preserve_gid && !(flags & XMIT_SAME_GID)) { |
9f7b8c3b WD |
444 | if (!numeric_ids) |
445 | add_gid(gid); | |
30f337c9 | 446 | write_int(f, gid); |
72914a60 | 447 | } |
30f337c9 | 448 | if (preserve_devices && IS_DEVICE(mode)) { |
9c5e91f8 WD |
449 | if (protocol_version < 28) { |
450 | if (!(flags & XMIT_SAME_RDEV_pre28)) | |
451 | write_int(f, (int)rdev); | |
452 | } else { | |
453 | if (!(flags & XMIT_SAME_RDEV_MAJOR)) | |
454 | write_int(f, major(rdev)); | |
455 | if (flags & XMIT_RDEV_MINOR_IS_SMALL) | |
456 | write_byte(f, minor(rdev)); | |
457 | else | |
458 | write_int(f, minor(rdev)); | |
459 | } | |
75bc8600 | 460 | } |
c627d613 | 461 | |
4f5b0756 | 462 | #ifdef SUPPORT_LINKS |
30f337c9 | 463 | if (preserve_links && S_ISLNK(mode)) { |
306ffb8c WD |
464 | int len = strlen(file->u.link); |
465 | write_int(f, len); | |
466 | write_buf(f, file->u.link, len); | |
72914a60 | 467 | } |
c627d613 AT |
468 | #endif |
469 | ||
4f5b0756 | 470 | #ifdef SUPPORT_HARD_LINKS |
d01d15e0 | 471 | if (flags & XMIT_HAS_IDEV_DATA) { |
4124540d | 472 | if (protocol_version < 26) { |
736a6a29 | 473 | /* 32-bit dev_t and ino_t */ |
30f337c9 | 474 | write_int(f, dev); |
92cc9dd7 | 475 | write_int(f, file->F_INODE); |
736a6a29 MP |
476 | } else { |
477 | /* 64-bit dev_t and ino_t */ | |
4124540d WD |
478 | if (!(flags & XMIT_SAME_DEV)) |
479 | write_longint(f, dev); | |
92cc9dd7 | 480 | write_longint(f, file->F_INODE); |
736a6a29 | 481 | } |
72914a60 | 482 | } |
dc5ddbcc AT |
483 | #endif |
484 | ||
728d0922 WD |
485 | if (always_checksum) { |
486 | char *sum; | |
487 | if (S_ISREG(mode)) | |
488 | sum = file->u.sum; | |
489 | else if (protocol_version < 28) { | |
490 | /* Prior to 28, we sent a useless set of nulls. */ | |
491 | sum = empty_sum; | |
492 | } else | |
493 | sum = NULL; | |
494 | if (sum) { | |
3e491682 S |
495 | write_buf(f, sum, |
496 | protocol_version < 21 ? 2 : MD4_SUM_LENGTH); | |
728d0922 | 497 | } |
ebed4c3a | 498 | } |
182dca5c | 499 | |
ebed4c3a | 500 | strlcpy(lastname, fname, MAXPATHLEN); |
eca2adb4 MP |
501 | |
502 | io_write_phase = "unknown"; | |
182dca5c AT |
503 | } |
504 | ||
505 | ||
506 | ||
f5db0993 WD |
507 | static struct file_struct *receive_file_entry(struct file_list *flist, |
508 | unsigned short flags, int f) | |
182dca5c | 509 | { |
5911fee5 WD |
510 | static time_t modtime; |
511 | static mode_t mode; | |
1490812a | 512 | static int64 dev; |
4124540d | 513 | static dev_t rdev; |
9c5e91f8 | 514 | static uint32 rdev_major; |
5911fee5 WD |
515 | static uid_t uid; |
516 | static gid_t gid; | |
a289addd | 517 | static char lastname[MAXPATHLEN], *lastdir; |
33ffd7c3 | 518 | static int lastdir_depth, lastdir_len = -1; |
42f23f47 | 519 | static unsigned int del_hier_name_len = 0; |
649f8742 | 520 | static int in_del_hier = 0; |
72914a60 | 521 | char thisname[MAXPATHLEN]; |
ebed4c3a | 522 | unsigned int l1 = 0, l2 = 0; |
a1d55ad0 | 523 | int alloc_len, basename_len, dirname_len, linkname_len, sum_len; |
a289addd WD |
524 | OFF_T file_length; |
525 | char *basename, *dirname, *bp; | |
72914a60 AT |
526 | struct file_struct *file; |
527 | ||
f3c3ed44 | 528 | if (!flist) { |
5911fee5 | 529 | modtime = 0, mode = 0; |
4124540d | 530 | dev = 0, rdev = makedev(0, 0); |
9c5e91f8 | 531 | rdev_major = 0; |
5911fee5 WD |
532 | uid = 0, gid = 0; |
533 | *lastname = '\0'; | |
3db859e8 | 534 | lastdir_len = -1; |
649f8742 | 535 | in_del_hier = 0; |
f5db0993 | 536 | return NULL; |
5911fee5 WD |
537 | } |
538 | ||
d01d15e0 | 539 | if (flags & XMIT_SAME_NAME) |
72914a60 | 540 | l1 = read_byte(f); |
ebed4c3a | 541 | |
d01d15e0 | 542 | if (flags & XMIT_LONG_NAME) |
72914a60 AT |
543 | l2 = read_int(f); |
544 | else | |
545 | l2 = read_byte(f); | |
546 | ||
ebed4c3a MP |
547 | if (l2 >= MAXPATHLEN - l1) { |
548 | rprintf(FERROR, | |
549 | "overflow: flags=0x%x l1=%d l2=%d lastname=%s\n", | |
71903f60 | 550 | flags, l1, l2, safe_fname(lastname)); |
d0fd26aa AT |
551 | overflow("receive_file_entry"); |
552 | } | |
72914a60 | 553 | |
ebed4c3a MP |
554 | strlcpy(thisname, lastname, l1 + 1); |
555 | read_sbuf(f, &thisname[l1], l2); | |
556 | thisname[l1 + l2] = 0; | |
72914a60 | 557 | |
ebed4c3a | 558 | strlcpy(lastname, thisname, MAXPATHLEN); |
72914a60 | 559 | |
58b1999e | 560 | clean_fname(thisname, 0); |
72914a60 | 561 | |
0d162bd1 | 562 | if (sanitize_paths) |
33ffd7c3 | 563 | sanitize_path(thisname, thisname, "", 0); |
cb13abfe | 564 | |
a289addd WD |
565 | if ((basename = strrchr(thisname, '/')) != NULL) { |
566 | dirname_len = ++basename - thisname; /* counts future '\0' */ | |
567 | if (lastdir_len == dirname_len - 1 | |
568 | && strncmp(thisname, lastdir, lastdir_len) == 0) { | |
569 | dirname = lastdir; | |
570 | dirname_len = 0; /* indicates no copy is needed */ | |
571 | } else | |
572 | dirname = thisname; | |
72914a60 | 573 | } else { |
a289addd WD |
574 | basename = thisname; |
575 | dirname = NULL; | |
576 | dirname_len = 0; | |
72914a60 | 577 | } |
a289addd | 578 | basename_len = strlen(basename) + 1; /* count the '\0' */ |
72914a60 | 579 | |
a289addd | 580 | file_length = read_longint(f); |
d01d15e0 | 581 | if (!(flags & XMIT_SAME_TIME)) |
30f337c9 | 582 | modtime = (time_t)read_int(f); |
d01d15e0 | 583 | if (!(flags & XMIT_SAME_MODE)) |
30f337c9 | 584 | mode = from_wire_mode(read_int(f)); |
1ef00d20 | 585 | |
a289addd WD |
586 | if (preserve_uid && !(flags & XMIT_SAME_UID)) |
587 | uid = (uid_t)read_int(f); | |
588 | if (preserve_gid && !(flags & XMIT_SAME_GID)) | |
589 | gid = (gid_t)read_int(f); | |
590 | ||
1ef00d20 | 591 | if (preserve_devices) { |
75bc8600 | 592 | if (protocol_version < 28) { |
30f337c9 | 593 | if (IS_DEVICE(mode)) { |
d01d15e0 | 594 | if (!(flags & XMIT_SAME_RDEV_pre28)) |
9c5e91f8 | 595 | rdev = (dev_t)read_int(f); |
75bc8600 | 596 | } else |
9c5e91f8 | 597 | rdev = makedev(0, 0); |
30f337c9 | 598 | } else if (IS_DEVICE(mode)) { |
9c5e91f8 WD |
599 | uint32 rdev_minor; |
600 | if (!(flags & XMIT_SAME_RDEV_MAJOR)) | |
601 | rdev_major = read_int(f); | |
602 | if (flags & XMIT_RDEV_MINOR_IS_SMALL) | |
603 | rdev_minor = read_byte(f); | |
604 | else | |
605 | rdev_minor = read_int(f); | |
606 | rdev = makedev(rdev_major, rdev_minor); | |
1ef00d20 | 607 | } |
b7736c79 | 608 | } |
72914a60 | 609 | |
4f5b0756 | 610 | #ifdef SUPPORT_LINKS |
30f337c9 | 611 | if (preserve_links && S_ISLNK(mode)) { |
a289addd WD |
612 | linkname_len = read_int(f) + 1; /* count the '\0' */ |
613 | if (linkname_len <= 0 || linkname_len > MAXPATHLEN) { | |
614 | rprintf(FERROR, "overflow: linkname_len=%d\n", | |
615 | linkname_len - 1); | |
9dd891bb MP |
616 | overflow("receive_file_entry"); |
617 | } | |
72914a60 | 618 | } |
a289addd | 619 | else |
0d162bd1 | 620 | #endif |
a289addd | 621 | linkname_len = 0; |
0d162bd1 | 622 | |
a289addd WD |
623 | sum_len = always_checksum && S_ISREG(mode) ? MD4_SUM_LENGTH : 0; |
624 | ||
61dec11a | 625 | alloc_len = file_struct_len + dirname_len + basename_len |
9935066b S |
626 | + linkname_len + sum_len; |
627 | bp = pool_alloc(flist->file_pool, alloc_len, "receive_file_entry"); | |
628 | ||
f5db0993 | 629 | file = (struct file_struct *)bp; |
9935066b | 630 | memset(bp, 0, file_struct_len); |
61dec11a | 631 | bp += file_struct_len; |
a289addd | 632 | |
649f8742 | 633 | file->flags = 0; |
a289addd WD |
634 | file->modtime = modtime; |
635 | file->length = file_length; | |
636 | file->mode = mode; | |
637 | file->uid = uid; | |
638 | file->gid = gid; | |
639 | ||
f3c3ed44 WD |
640 | if (dirname_len) { |
641 | file->dirname = lastdir = bp; | |
642 | lastdir_len = dirname_len - 1; | |
643 | memcpy(bp, dirname, dirname_len - 1); | |
644 | bp += dirname_len; | |
645 | bp[-1] = '\0'; | |
646 | lastdir_depth = count_dir_elements(lastdir); | |
647 | file->dir.depth = lastdir_depth + 1; | |
648 | } else if (dirname) { | |
649 | file->dirname = dirname; /* we're reusing lastname */ | |
650 | file->dir.depth = lastdir_depth + 1; | |
651 | } else | |
652 | file->dir.depth = 1; | |
653 | ||
649f8742 | 654 | if (S_ISDIR(mode)) { |
ee3751c8 | 655 | if (basename_len == 1+1 && *basename == '.') /* +1 for '\0' */ |
f3c3ed44 | 656 | file->dir.depth--; |
ee3751c8 | 657 | if (flags & XMIT_TOP_DIR) { |
649f8742 | 658 | in_del_hier = 1; |
f3c3ed44 | 659 | del_hier_name_len = file->dir.depth == 0 ? 0 : l1 + l2; |
ee3751c8 WD |
660 | file->flags |= FLAG_TOP_DIR | FLAG_DEL_HERE; |
661 | } else if (in_del_hier) { | |
f3c3ed44 WD |
662 | if (!relative_paths || !del_hier_name_len |
663 | || (l1 >= del_hier_name_len | |
664 | && thisname[del_hier_name_len] == '/')) | |
ee3751c8 | 665 | file->flags |= FLAG_DEL_HERE; |
649f8742 WD |
666 | else |
667 | in_del_hier = 0; | |
668 | } | |
669 | } | |
670 | ||
a289addd WD |
671 | file->basename = bp; |
672 | memcpy(bp, basename, basename_len); | |
673 | bp += basename_len; | |
674 | ||
675 | if (preserve_devices && IS_DEVICE(mode)) | |
676 | file->u.rdev = rdev; | |
677 | ||
4f5b0756 | 678 | #ifdef SUPPORT_LINKS |
a289addd WD |
679 | if (linkname_len) { |
680 | file->u.link = bp; | |
681 | read_sbuf(f, bp, linkname_len - 1); | |
682 | if (sanitize_paths) | |
33ffd7c3 | 683 | sanitize_path(bp, bp, "", lastdir_depth); |
a289addd WD |
684 | bp += linkname_len; |
685 | } | |
686 | #endif | |
687 | ||
4f5b0756 | 688 | #ifdef SUPPORT_HARD_LINKS |
9935066b S |
689 | if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode)) |
690 | flags |= XMIT_HAS_IDEV_DATA; | |
97a67bdf | 691 | if (flags & XMIT_HAS_IDEV_DATA) { |
1490812a | 692 | int64 inode; |
4124540d WD |
693 | if (protocol_version < 26) { |
694 | dev = read_int(f); | |
9935066b | 695 | inode = read_int(f); |
736a6a29 | 696 | } else { |
4124540d WD |
697 | if (!(flags & XMIT_SAME_DEV)) |
698 | dev = read_longint(f); | |
9935066b S |
699 | inode = read_longint(f); |
700 | } | |
701 | if (flist->hlink_pool) { | |
5bf63a11 S |
702 | file->link_u.idev = pool_talloc(flist->hlink_pool, |
703 | struct idev, 1, "inode_table"); | |
9935066b S |
704 | file->F_INODE = inode; |
705 | file->F_DEV = dev; | |
736a6a29 | 706 | } |
72914a60 | 707 | } |
dc5ddbcc | 708 | #endif |
ebed4c3a | 709 | |
72914a60 | 710 | if (always_checksum) { |
7c4f063b | 711 | char *sum; |
a289addd WD |
712 | if (sum_len) { |
713 | file->u.sum = sum = bp; | |
714 | /*bp += sum_len;*/ | |
fea4db62 WD |
715 | } else if (protocol_version < 28) { |
716 | /* Prior to 28, we get a useless set of nulls. */ | |
7c4f063b | 717 | sum = empty_sum; |
fea4db62 WD |
718 | } else |
719 | sum = NULL; | |
720 | if (sum) { | |
3e491682 S |
721 | read_buf(f, sum, |
722 | protocol_version < 21 ? 2 : MD4_SUM_LENGTH); | |
fea4db62 | 723 | } |
72914a60 | 724 | } |
ebed4c3a | 725 | |
72914a60 | 726 | if (!preserve_perms) { |
72914a60 | 727 | /* set an appropriate set of permissions based on original |
fea4db62 | 728 | * permissions and umask. This emulates what GNU cp does */ |
72914a60 AT |
729 | file->mode &= ~orig_umask; |
730 | } | |
f5db0993 WD |
731 | |
732 | return file; | |
c627d613 AT |
733 | } |
734 | ||
735 | ||
db719fb0 MP |
736 | /** |
737 | * Create a file_struct for a named file by reading its stat() | |
738 | * information and performing extensive checks against global | |
739 | * options. | |
740 | * | |
741 | * @return the new file, or NULL if there was an error or this file | |
742 | * should be excluded. | |
743 | * | |
744 | * @todo There is a small optimization opportunity here to avoid | |
745 | * stat()ing the file in some circumstances, which has a certain cost. | |
746 | * We are called immediately after doing readdir(), and so we may | |
747 | * already know the d_type of the file. We could for example avoid | |
748 | * statting directories if we're not recursing, but this is not a very | |
749 | * important case. Some systems may not have d_type. | |
750 | **/ | |
314f4591 | 751 | struct file_struct *make_file(char *fname, struct file_list *flist, |
7842418b | 752 | int filter_level) |
c627d613 | 753 | { |
a289addd WD |
754 | static char *lastdir; |
755 | static int lastdir_len = -1; | |
3ec4dd97 | 756 | struct file_struct *file; |
bcacc18b | 757 | STRUCT_STAT st; |
3ec4dd97 | 758 | char sum[SUM_LENGTH]; |
1923b1fc | 759 | char thisname[MAXPATHLEN]; |
e0870f1d | 760 | char linkname[MAXPATHLEN]; |
a1d55ad0 | 761 | int alloc_len, basename_len, dirname_len, linkname_len, sum_len; |
a289addd | 762 | char *basename, *dirname, *bp; |
4844449a | 763 | unsigned short flags = 0; |
3ec4dd97 | 764 | |
d508258a | 765 | if (!flist || !flist->count) /* Ignore lastdir when invalid. */ |
7de2483f | 766 | lastdir_len = -1; |
9935066b | 767 | |
1923b1fc WD |
768 | if (strlcpy(thisname, fname, sizeof thisname) |
769 | >= sizeof thisname - flist_dir_len) { | |
71903f60 WD |
770 | rprintf(FINFO, "skipping overly long name: %s\n", |
771 | safe_fname(fname)); | |
882e6893 WD |
772 | return NULL; |
773 | } | |
58b1999e | 774 | clean_fname(thisname, 0); |
b7736c79 | 775 | if (sanitize_paths) |
33ffd7c3 | 776 | sanitize_path(thisname, thisname, "", 0); |
3ec4dd97 | 777 | |
ebed4c3a | 778 | memset(sum, 0, SUM_LENGTH); |
3ec4dd97 | 779 | |
e0870f1d | 780 | if (readlink_stat(thisname, &st, linkname) != 0) { |
76e26e10 | 781 | int save_errno = errno; |
a4a7e64c | 782 | /* See if file is excluded before reporting an error. */ |
7842418b WD |
783 | if (filter_level != NO_FILTERS |
784 | && is_excluded(thisname, 0, filter_level)) | |
a4a7e64c WD |
785 | return NULL; |
786 | if (save_errno == ENOENT) { | |
4f5b0756 | 787 | #ifdef SUPPORT_LINKS |
a4a7e64c WD |
788 | /* Avoid "vanished" error if symlink points nowhere. */ |
789 | if (copy_links && do_lstat(thisname, &st) == 0 | |
790 | && S_ISLNK(st.st_mode)) { | |
791 | io_error |= IOERR_GENERAL; | |
792 | rprintf(FERROR, "symlink has no referent: %s\n", | |
793 | full_fname(thisname)); | |
e5ce3bcf WD |
794 | } else |
795 | #endif | |
796 | { | |
a4a7e64c WD |
797 | enum logcode c = am_daemon && protocol_version < 28 |
798 | ? FERROR : FINFO; | |
799 | io_error |= IOERR_VANISHED; | |
800 | rprintf(c, "file has vanished: %s\n", | |
801 | full_fname(thisname)); | |
76e26e10 | 802 | } |
a4a7e64c | 803 | } else { |
a8726d2a | 804 | io_error |= IOERR_GENERAL; |
d62bcc17 WD |
805 | rsyserr(FERROR, save_errno, "readlink %s failed", |
806 | full_fname(thisname)); | |
76e26e10 | 807 | } |
3ec4dd97 AT |
808 | return NULL; |
809 | } | |
c627d613 | 810 | |
7842418b WD |
811 | /* backup.c calls us with filter_level set to NO_FILTERS. */ |
812 | if (filter_level == NO_FILTERS) | |
813 | goto skip_filters; | |
ac1a0994 | 814 | |
7e037c42 | 815 | if (S_ISDIR(st.st_mode) && !xfer_dirs) { |
71903f60 | 816 | rprintf(FINFO, "skipping directory %s\n", safe_fname(thisname)); |
3ec4dd97 AT |
817 | return NULL; |
818 | } | |
ebed4c3a | 819 | |
e90cdb8a WD |
820 | /* We only care about directories because we need to avoid recursing |
821 | * into a mount-point directory, not to avoid copying a symlinked | |
822 | * file if -L (or similar) was specified. */ | |
823 | if (one_file_system && st.st_dev != filesystem_dev | |
824 | && S_ISDIR(st.st_mode)) | |
4844449a | 825 | flags |= FLAG_MOUNT_POINT; |
ebed4c3a | 826 | |
7842418b | 827 | if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) |
76e26e10 DD |
828 | return NULL; |
829 | ||
132fcf36 | 830 | if (lp_ignore_nonreadable(module_id)) { |
4f5b0756 | 831 | #ifdef SUPPORT_LINKS |
132fcf36 WD |
832 | if (!S_ISLNK(st.st_mode)) |
833 | #endif | |
834 | if (access(thisname, R_OK) != 0) | |
835 | return NULL; | |
836 | } | |
ac1a0994 | 837 | |
7842418b | 838 | skip_filters: |
ac1a0994 | 839 | |
ea847c62 WD |
840 | if (verbose > 2) { |
841 | rprintf(FINFO, "[%s] make_file(%s,*,%d)\n", | |
71903f60 | 842 | who_am_i(), safe_fname(thisname), filter_level); |
ea847c62 | 843 | } |
ebed4c3a | 844 | |
a289addd WD |
845 | if ((basename = strrchr(thisname, '/')) != NULL) { |
846 | dirname_len = ++basename - thisname; /* counts future '\0' */ | |
847 | if (lastdir_len == dirname_len - 1 | |
848 | && strncmp(thisname, lastdir, lastdir_len) == 0) { | |
849 | dirname = lastdir; | |
850 | dirname_len = 0; /* indicates no copy is needed */ | |
851 | } else | |
852 | dirname = thisname; | |
3ec4dd97 | 853 | } else { |
a289addd WD |
854 | basename = thisname; |
855 | dirname = NULL; | |
856 | dirname_len = 0; | |
3ec4dd97 | 857 | } |
a289addd | 858 | basename_len = strlen(basename) + 1; /* count the '\0' */ |
c627d613 | 859 | |
4f5b0756 | 860 | #ifdef SUPPORT_LINKS |
a289addd WD |
861 | linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0; |
862 | #else | |
863 | linkname_len = 0; | |
864 | #endif | |
865 | ||
a289addd WD |
866 | sum_len = always_checksum && S_ISREG(st.st_mode) ? MD4_SUM_LENGTH : 0; |
867 | ||
61dec11a | 868 | alloc_len = file_struct_len + dirname_len + basename_len |
9935066b S |
869 | + linkname_len + sum_len; |
870 | if (flist) { | |
871 | bp = pool_alloc(flist->file_pool, alloc_len, | |
872 | "receive_file_entry"); | |
873 | } else { | |
874 | if (!(bp = new_array(char, alloc_len))) | |
875 | out_of_memory("receive_file_entry"); | |
876 | } | |
877 | ||
a289addd | 878 | file = (struct file_struct *)bp; |
9935066b | 879 | memset(bp, 0, file_struct_len); |
61dec11a | 880 | bp += file_struct_len; |
a289addd WD |
881 | |
882 | file->flags = flags; | |
3ec4dd97 AT |
883 | file->modtime = st.st_mtime; |
884 | file->length = st.st_size; | |
885 | file->mode = st.st_mode; | |
886 | file->uid = st.st_uid; | |
887 | file->gid = st.st_gid; | |
0d162bd1 | 888 | |
4f5b0756 | 889 | #ifdef SUPPORT_HARD_LINKS |
9935066b S |
890 | if (flist && flist->hlink_pool) { |
891 | if (protocol_version < 28) { | |
892 | if (S_ISREG(st.st_mode)) | |
893 | file->link_u.idev = pool_talloc( | |
894 | flist->hlink_pool, struct idev, 1, | |
895 | "inode_table"); | |
896 | } else { | |
897 | if (!S_ISDIR(st.st_mode) && st.st_nlink > 1) | |
898 | file->link_u.idev = pool_talloc( | |
899 | flist->hlink_pool, struct idev, 1, | |
900 | "inode_table"); | |
901 | } | |
902 | } | |
903 | if (file->link_u.idev) { | |
61dec11a WD |
904 | file->F_DEV = st.st_dev; |
905 | file->F_INODE = st.st_ino; | |
906 | } | |
907 | #endif | |
908 | ||
a289addd WD |
909 | if (dirname_len) { |
910 | file->dirname = lastdir = bp; | |
911 | lastdir_len = dirname_len - 1; | |
912 | memcpy(bp, dirname, dirname_len - 1); | |
913 | bp += dirname_len; | |
914 | bp[-1] = '\0'; | |
915 | } else if (dirname) | |
916 | file->dirname = dirname; | |
917 | ||
918 | file->basename = bp; | |
919 | memcpy(bp, basename, basename_len); | |
920 | bp += basename_len; | |
921 | ||
4f5b0756 | 922 | #ifdef HAVE_STRUCT_STAT_ST_RDEV |
0d162bd1 WD |
923 | if (preserve_devices && IS_DEVICE(st.st_mode)) |
924 | file->u.rdev = st.st_rdev; | |
925 | #endif | |
926 | ||
4f5b0756 | 927 | #ifdef SUPPORT_LINKS |
a289addd WD |
928 | if (linkname_len) { |
929 | file->u.link = bp; | |
930 | memcpy(bp, linkname, linkname_len); | |
931 | bp += linkname_len; | |
932 | } | |
0d162bd1 WD |
933 | #endif |
934 | ||
a289addd WD |
935 | if (sum_len) { |
936 | file->u.sum = bp; | |
937 | file_checksum(thisname, bp, st.st_size); | |
938 | /*bp += sum_len;*/ | |
ebed4c3a | 939 | } |
c627d613 | 940 | |
f3c3ed44 | 941 | file->dir.root = flist_dir; |
c627d613 | 942 | |
23f4587f WD |
943 | /* This code is only used by the receiver when it is building |
944 | * a list of files for a delete pass. */ | |
945 | if (keep_dirlinks && linkname_len && flist) { | |
946 | STRUCT_STAT st2; | |
f5db0993 WD |
947 | int save_mode = file->mode; |
948 | file->mode = S_IFDIR; /* find a directory w/our name */ | |
949 | if (flist_find(received_flist, file) >= 0 | |
23f4587f WD |
950 | && do_stat(thisname, &st2) == 0 && S_ISDIR(st2.st_mode)) { |
951 | file->modtime = st2.st_mtime; | |
952 | file->length = st2.st_size; | |
953 | file->mode = st2.st_mode; | |
954 | file->uid = st2.st_uid; | |
955 | file->gid = st2.st_gid; | |
956 | file->u.link = NULL; | |
f5db0993 WD |
957 | } else |
958 | file->mode = save_mode; | |
23f4587f WD |
959 | } |
960 | ||
3ec4dd97 | 961 | if (!S_ISDIR(st.st_mode)) |
a800434a | 962 | stats.total_size += st.st_size; |
c627d613 | 963 | |
3ec4dd97 | 964 | return file; |
c627d613 AT |
965 | } |
966 | ||
967 | ||
ebed4c3a | 968 | void send_file_name(int f, struct file_list *flist, char *fname, |
1ef00d20 | 969 | int recursive, unsigned short base_flags) |
c627d613 | 970 | { |
ebed4c3a | 971 | struct file_struct *file; |
b7736c79 | 972 | char fbuf[MAXPATHLEN]; |
ebed4c3a | 973 | |
37802f40 WD |
974 | file = make_file(fname, flist, f == -2 ? SERVER_FILTERS : ALL_FILTERS); |
975 | if (!file) | |
ebed4c3a MP |
976 | return; |
977 | ||
db719fb0 | 978 | maybe_emit_filelist_progress(flist); |
ebed4c3a | 979 | |
d9d6bc52 | 980 | flist_expand(flist); |
ebed4c3a | 981 | |
c120ff37 | 982 | if (file->basename[0]) { |
ebed4c3a MP |
983 | flist->files[flist->count++] = file; |
984 | send_file_entry(file, f, base_flags); | |
985 | } | |
986 | ||
4844449a | 987 | if (recursive && S_ISDIR(file->mode) |
f1773e09 WD |
988 | && !(file->flags & FLAG_MOUNT_POINT) && f_name_to(file, fbuf)) { |
989 | void *save_filters; | |
990 | unsigned int len = strlen(fbuf); | |
991 | if (len > 1 && fbuf[len-1] == '/') | |
992 | fbuf[--len] = '\0'; | |
993 | if (len >= MAXPATHLEN - 1) { | |
994 | io_error |= IOERR_GENERAL; | |
995 | rprintf(FERROR, "skipping long-named directory: %s\n", | |
996 | full_fname(fbuf)); | |
997 | return; | |
998 | } | |
999 | save_filters = push_local_filters(fbuf, len); | |
1000 | send_directory(f, flist, fbuf, len); | |
1001 | pop_local_filters(save_filters); | |
ebed4c3a | 1002 | } |
c627d613 AT |
1003 | } |
1004 | ||
1005 | ||
9f125ea7 | 1006 | /* Note that the "recurse" value either contains -1, for infinite recursion, |
134f4338 WD |
1007 | * or a number >= 0 indicating how many levels of recursion we will allow. |
1008 | * This function is normally called by the sender, but the receiving side | |
1009 | * also calls it from delete_in_dir() with f set to -1 so that we just | |
37802f40 WD |
1010 | * construct the file list in memory without sending it over the wire. Also, |
1011 | * get_dirlist() calls this with f set to -2, which indicates that local | |
1012 | * filter rules should be ignored. */ | |
f1773e09 | 1013 | static void send_directory(int f, struct file_list *flist, |
19b2a5d9 | 1014 | char *fbuf, unsigned int len) |
c627d613 | 1015 | { |
3ec4dd97 | 1016 | struct dirent *di; |
3ec4dd97 | 1017 | char *p; |
f1773e09 | 1018 | DIR *d; |
3ec4dd97 | 1019 | |
f1773e09 | 1020 | if (!(d = opendir(fbuf))) { |
06c28400 | 1021 | io_error |= IOERR_GENERAL; |
f1773e09 | 1022 | rsyserr(FERROR, errno, "opendir %s failed", full_fname(fbuf)); |
3ec4dd97 AT |
1023 | return; |
1024 | } | |
c627d613 | 1025 | |
19b2a5d9 WD |
1026 | p = fbuf + len; |
1027 | if (len != 1 || *fbuf != '/') | |
eddd5d12 | 1028 | *p++ = '/'; |
f1773e09 | 1029 | *p = '\0'; |
ebed4c3a | 1030 | |
6a7cc46c | 1031 | for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) { |
d6e6ecbd | 1032 | char *dname = d_name(di); |
6a7cc46c S |
1033 | if (dname[0] == '.' && (dname[1] == '\0' |
1034 | || (dname[1] == '.' && dname[2] == '\0'))) | |
3ec4dd97 | 1035 | continue; |
19b2a5d9 | 1036 | if (strlcpy(p, dname, MAXPATHLEN - len) < MAXPATHLEN - len) { |
9f125ea7 | 1037 | int do_subdirs = recurse >= 1 ? recurse-- : recurse; |
f1773e09 | 1038 | send_file_name(f, flist, fbuf, do_subdirs, 0); |
0f57446d | 1039 | } else { |
eddd5d12 WD |
1040 | io_error |= IOERR_GENERAL; |
1041 | rprintf(FINFO, | |
1042 | "cannot send long-named file %s\n", | |
f1773e09 | 1043 | full_fname(fbuf)); |
eddd5d12 | 1044 | } |
3ec4dd97 | 1045 | } |
6a7cc46c | 1046 | if (errno) { |
06c28400 | 1047 | io_error |= IOERR_GENERAL; |
f1773e09 | 1048 | *p = '\0'; |
71903f60 | 1049 | rsyserr(FERROR, errno, "readdir(%s)", full_fname(fbuf)); |
6a7cc46c | 1050 | } |
c627d613 | 1051 | |
3ec4dd97 | 1052 | closedir(d); |
c627d613 AT |
1053 | } |
1054 | ||
1055 | ||
ebed4c3a | 1056 | struct file_list *send_file_list(int f, int argc, char *argv[]) |
c627d613 | 1057 | { |
24d0fcde | 1058 | int l; |
bcacc18b | 1059 | STRUCT_STAT st; |
808c57c3 | 1060 | char *p, *dir, olddir[sizeof curr_dir]; |
ebed4c3a | 1061 | char lastpath[MAXPATHLEN] = ""; |
649d65ed | 1062 | struct file_list *flist; |
31b4d25d | 1063 | struct timeval start_tv, end_tv; |
a800434a | 1064 | int64 start_write; |
24d0fcde | 1065 | int use_ff_fd = 0; |
649d65ed | 1066 | |
134f4338 | 1067 | if (show_filelist_p()) |
1bbd10fe | 1068 | start_filelist_progress("building file list"); |
c627d613 | 1069 | |
a800434a | 1070 | start_write = stats.total_written; |
31b4d25d | 1071 | gettimeofday(&start_tv, NULL); |
a800434a | 1072 | |
134f4338 | 1073 | flist = flist_new(WITH_HLINK, "send_file_list"); |
c627d613 | 1074 | |
134f4338 WD |
1075 | io_start_buffering_out(); |
1076 | if (filesfrom_fd >= 0) { | |
1077 | if (argv[0] && !push_dir(argv[0])) { | |
1078 | rsyserr(FERROR, errno, "push_dir %s failed", | |
1079 | full_fname(argv[0])); | |
1080 | exit_cleanup(RERR_FILESELECT); | |
24d0fcde | 1081 | } |
134f4338 | 1082 | use_ff_fd = 1; |
d6dead6b AT |
1083 | } |
1084 | ||
24d0fcde | 1085 | while (1) { |
fc638474 DD |
1086 | char fname2[MAXPATHLEN]; |
1087 | char *fname = fname2; | |
9f125ea7 | 1088 | int do_subdirs; |
c627d613 | 1089 | |
24d0fcde WD |
1090 | if (use_ff_fd) { |
1091 | if (read_filesfrom_line(filesfrom_fd, fname) == 0) | |
1092 | break; | |
33ffd7c3 | 1093 | sanitize_path(fname, fname, "", 0); |
24d0fcde WD |
1094 | } else { |
1095 | if (argc-- == 0) | |
1096 | break; | |
1097 | strlcpy(fname, *argv++, MAXPATHLEN); | |
1098 | if (sanitize_paths) | |
33ffd7c3 | 1099 | sanitize_path(fname, fname, "", 0); |
24d0fcde | 1100 | } |
c627d613 | 1101 | |
649d65ed | 1102 | l = strlen(fname); |
9f125ea7 | 1103 | if (!l || fname[l - 1] == '/') { |
6931c138 WD |
1104 | if (l == 2 && fname[0] == '.') { |
1105 | /* Turn "./" into just "." rather than "./." */ | |
1106 | fname[1] = '\0'; | |
eddd5d12 WD |
1107 | } else if (l < MAXPATHLEN) { |
1108 | fname[l++] = '.'; | |
1109 | fname[l] = '\0'; | |
53f821f1 | 1110 | } |
649d65ed | 1111 | } |
45478cc7 | 1112 | if (fname[l-1] == '.' && (l == 1 || fname[l-2] == '/')) { |
7e037c42 | 1113 | if (!recurse && xfer_dirs) |
9f125ea7 WD |
1114 | recurse = 1; /* allow one level */ |
1115 | } else if (recurse > 0) | |
1116 | recurse = 0; | |
c627d613 | 1117 | |
314f4591 | 1118 | if (link_stat(fname, &st, keep_dirlinks) != 0) { |
134f4338 WD |
1119 | io_error |= IOERR_GENERAL; |
1120 | rsyserr(FERROR, errno, "link_stat %s failed", | |
1121 | full_fname(fname)); | |
649d65ed AT |
1122 | continue; |
1123 | } | |
c627d613 | 1124 | |
7e037c42 | 1125 | if (S_ISDIR(st.st_mode) && !xfer_dirs) { |
71903f60 WD |
1126 | rprintf(FINFO, "skipping directory %s\n", |
1127 | safe_fname(fname)); | |
649d65ed AT |
1128 | continue; |
1129 | } | |
c627d613 | 1130 | |
649d65ed | 1131 | dir = NULL; |
808c57c3 | 1132 | olddir[0] = '\0'; |
649d65ed AT |
1133 | |
1134 | if (!relative_paths) { | |
ebed4c3a | 1135 | p = strrchr(fname, '/'); |
649d65ed AT |
1136 | if (p) { |
1137 | *p = 0; | |
ebed4c3a | 1138 | if (p == fname) |
649d65ed AT |
1139 | dir = "/"; |
1140 | else | |
ebed4c3a MP |
1141 | dir = fname; |
1142 | fname = p + 1; | |
649d65ed | 1143 | } |
134f4338 | 1144 | } else if (implied_dirs && (p=strrchr(fname,'/')) && p != fname) { |
649d65ed AT |
1145 | /* this ensures we send the intermediate directories, |
1146 | thus getting their permissions right */ | |
2154309a | 1147 | char *lp = lastpath, *fn = fname, *slash = fname; |
649d65ed | 1148 | *p = 0; |
2154309a WD |
1149 | /* Skip any initial directories in our path that we |
1150 | * have in common with lastpath. */ | |
1151 | while (*fn && *lp == *fn) { | |
1152 | if (*fn == '/') | |
1153 | slash = fn; | |
1154 | lp++, fn++; | |
1155 | } | |
1156 | *p = '/'; | |
1157 | if (fn != p || (*lp && *lp != '/')) { | |
0f57446d | 1158 | int save_copy_links = copy_links; |
7e037c42 | 1159 | int save_xfer_dirs = xfer_dirs; |
2154309a | 1160 | copy_links = copy_unsafe_links; |
7e037c42 | 1161 | xfer_dirs = 1; |
2154309a WD |
1162 | while ((slash = strchr(slash+1, '/')) != 0) { |
1163 | *slash = 0; | |
1164 | send_file_name(f, flist, fname, 0, 0); | |
1165 | *slash = '/'; | |
649d65ed | 1166 | } |
0f57446d | 1167 | copy_links = save_copy_links; |
7e037c42 | 1168 | xfer_dirs = save_xfer_dirs; |
2154309a WD |
1169 | *p = 0; |
1170 | strlcpy(lastpath, fname, sizeof lastpath); | |
649d65ed AT |
1171 | *p = '/'; |
1172 | } | |
1173 | } | |
ebed4c3a | 1174 | |
649d65ed AT |
1175 | if (!*fname) |
1176 | fname = "."; | |
ebed4c3a | 1177 | |
649d65ed | 1178 | if (dir && *dir) { |
882e6893 WD |
1179 | static char *lastdir; |
1180 | static int lastdir_len; | |
1181 | ||
808c57c3 | 1182 | strcpy(olddir, curr_dir); /* can't overflow */ |
5243c216 | 1183 | |
808c57c3 | 1184 | if (!push_dir(dir)) { |
06c28400 | 1185 | io_error |= IOERR_GENERAL; |
d62bcc17 WD |
1186 | rsyserr(FERROR, errno, "push_dir %s failed", |
1187 | full_fname(dir)); | |
649d65ed AT |
1188 | continue; |
1189 | } | |
5243c216 | 1190 | |
882e6893 WD |
1191 | if (lastdir && strcmp(lastdir, dir) == 0) { |
1192 | flist_dir = lastdir; | |
1193 | flist_dir_len = lastdir_len; | |
1194 | } else { | |
882e6893 WD |
1195 | flist_dir = lastdir = strdup(dir); |
1196 | flist_dir_len = lastdir_len = strlen(dir); | |
1197 | } | |
2bca43f6 | 1198 | } |
ebed4c3a | 1199 | |
2bca43f6 | 1200 | if (one_file_system) |
45478cc7 | 1201 | filesystem_dev = st.st_dev; |
2bca43f6 | 1202 | |
9f125ea7 | 1203 | do_subdirs = recurse >= 1 ? recurse-- : recurse; |
ee3751c8 | 1204 | send_file_name(f, flist, fname, do_subdirs, XMIT_TOP_DIR); |
2bca43f6 | 1205 | |
808c57c3 | 1206 | if (olddir[0]) { |
649d65ed | 1207 | flist_dir = NULL; |
882e6893 | 1208 | flist_dir_len = 0; |
808c57c3 | 1209 | if (!pop_dir(olddir)) { |
d62bcc17 WD |
1210 | rsyserr(FERROR, errno, "pop_dir %s failed", |
1211 | full_fname(dir)); | |
65417579 | 1212 | exit_cleanup(RERR_FILESELECT); |
649d65ed | 1213 | } |
649d65ed | 1214 | } |
649d65ed | 1215 | } |
dc5ddbcc | 1216 | |
134f4338 WD |
1217 | gettimeofday(&end_tv, NULL); |
1218 | stats.flist_buildtime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000 | |
1219 | + (end_tv.tv_usec - start_tv.tv_usec) / 1000; | |
1220 | if (stats.flist_buildtime == 0) | |
1221 | stats.flist_buildtime = 1; | |
1222 | start_tv = end_tv; | |
31b4d25d | 1223 | |
134f4338 | 1224 | send_file_entry(NULL, f, 0); |
c627d613 | 1225 | |
134f4338 WD |
1226 | if (show_filelist_p()) |
1227 | finish_filelist_progress(flist); | |
31b4d25d | 1228 | |
134f4338 WD |
1229 | gettimeofday(&end_tv, NULL); |
1230 | stats.flist_xfertime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000 | |
1231 | + (end_tv.tv_usec - start_tv.tv_usec) / 1000; | |
ebed4c3a | 1232 | |
7cf8e8d0 | 1233 | if (flist->hlink_pool) { |
9935066b S |
1234 | pool_destroy(flist->hlink_pool); |
1235 | flist->hlink_pool = NULL; | |
1236 | } | |
1237 | ||
f5db0993 WD |
1238 | /* Sort the list without removing any duplicates. This allows the |
1239 | * receiving side to ask for any name they like, which gives us the | |
1240 | * flexibility to change the way we unduplicate names in the future | |
1241 | * without causing a compatibility problem with older versions. */ | |
827c37f6 | 1242 | clean_flist(flist, 0, 0); |
ebed4c3a | 1243 | |
134f4338 WD |
1244 | /* Now send the uid/gid list. This was introduced in |
1245 | * protocol version 15 */ | |
1246 | send_uid_list(f); | |
f6c34742 | 1247 | |
134f4338 WD |
1248 | /* send the io_error flag */ |
1249 | write_int(f, lp_ignore_errors(module_id) ? 0 : io_error); | |
6ba9279f | 1250 | |
134f4338 WD |
1251 | io_end_buffering(); |
1252 | stats.flist_size = stats.total_written - start_write; | |
1253 | stats.num_files = flist->count; | |
d6dead6b | 1254 | |
cefed3e8 | 1255 | if (verbose > 3) |
134f4338 | 1256 | output_flist(flist, who_am_i()); |
cefed3e8 | 1257 | |
17faa41c | 1258 | if (verbose > 2) |
ebed4c3a | 1259 | rprintf(FINFO, "send_file_list done\n"); |
17faa41c | 1260 | |
649d65ed | 1261 | return flist; |
c627d613 AT |
1262 | } |
1263 | ||
1264 | ||
1265 | struct file_list *recv_file_list(int f) | |
1266 | { | |
ebed4c3a | 1267 | struct file_list *flist; |
1ef00d20 | 1268 | unsigned short flags; |
ebed4c3a | 1269 | int64 start_read; |
c627d613 | 1270 | |
1bbd10fe DD |
1271 | if (show_filelist_p()) |
1272 | start_filelist_progress("receiving file list"); | |
c627d613 | 1273 | |
ebed4c3a | 1274 | start_read = stats.total_read; |
a800434a | 1275 | |
9935066b | 1276 | flist = flist_new(WITH_HLINK, "recv_file_list"); |
23f4587f | 1277 | received_flist = flist; |
c627d613 | 1278 | |
ebed4c3a MP |
1279 | flist->count = 0; |
1280 | flist->malloced = 1000; | |
58cadc86 | 1281 | flist->files = new_array(struct file_struct *, flist->malloced); |
ebed4c3a MP |
1282 | if (!flist->files) |
1283 | goto oom; | |
c627d613 AT |
1284 | |
1285 | ||
1ef00d20 | 1286 | while ((flags = read_byte(f)) != 0) { |
f5db0993 | 1287 | struct file_struct *file; |
dbda5fbf | 1288 | |
d9d6bc52 | 1289 | flist_expand(flist); |
c627d613 | 1290 | |
d01d15e0 | 1291 | if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS)) |
75bc8600 | 1292 | flags |= read_byte(f) << 8; |
f5db0993 | 1293 | file = receive_file_entry(flist, flags, f); |
c627d613 | 1294 | |
f5db0993 WD |
1295 | if (S_ISREG(file->mode)) |
1296 | stats.total_size += file->length; | |
c627d613 | 1297 | |
f5db0993 | 1298 | flist->files[flist->count++] = file; |
c627d613 | 1299 | |
db719fb0 | 1300 | maybe_emit_filelist_progress(flist); |
1bbd10fe | 1301 | |
8018edd3 | 1302 | if (verbose > 2) { |
ebed4c3a | 1303 | rprintf(FINFO, "recv_file_name(%s)\n", |
f5db0993 | 1304 | safe_fname(f_name(file))); |
8018edd3 | 1305 | } |
ebed4c3a | 1306 | } |
f5db0993 | 1307 | receive_file_entry(NULL, 0, 0); /* Signal that we're done. */ |
c627d613 | 1308 | |
ebed4c3a MP |
1309 | if (verbose > 2) |
1310 | rprintf(FINFO, "received %d names\n", flist->count); | |
c627d613 | 1311 | |
b7736c79 | 1312 | if (show_filelist_p()) |
1bbd10fe | 1313 | finish_filelist_progress(flist); |
a06d19e3 | 1314 | |
983b1ed3 WD |
1315 | clean_flist(flist, relative_paths, 1); |
1316 | ||
37802f40 | 1317 | if (f >= 0) { |
785db4ce WD |
1318 | /* Now send the uid/gid list. This was introduced in |
1319 | * protocol version 15 */ | |
ebed4c3a | 1320 | recv_uid_list(f, flist); |
f6c34742 | 1321 | |
b9f592fb WD |
1322 | /* Recv the io_error flag */ |
1323 | if (lp_ignore_errors(module_id) || ignore_errors) | |
1324 | read_int(f); | |
1325 | else | |
1326 | io_error |= read_int(f); | |
ebed4c3a | 1327 | } |
6ba9279f | 1328 | |
cefed3e8 | 1329 | if (verbose > 3) |
48ea74bf | 1330 | output_flist(flist, who_am_i()); |
cefed3e8 | 1331 | |
ebed4c3a MP |
1332 | if (list_only) { |
1333 | int i; | |
b7736c79 | 1334 | for (i = 0; i < flist->count; i++) |
ebed4c3a | 1335 | list_file_entry(flist->files[i]); |
ebed4c3a | 1336 | } |
f7632fc6 | 1337 | |
ebed4c3a MP |
1338 | if (verbose > 2) |
1339 | rprintf(FINFO, "recv_file_list done\n"); | |
17faa41c | 1340 | |
ebed4c3a MP |
1341 | stats.flist_size = stats.total_read - start_read; |
1342 | stats.num_files = flist->count; | |
a800434a | 1343 | |
ebed4c3a | 1344 | return flist; |
c627d613 | 1345 | |
3e491682 | 1346 | oom: |
ebed4c3a MP |
1347 | out_of_memory("recv_file_list"); |
1348 | return NULL; /* not reached */ | |
c627d613 AT |
1349 | } |
1350 | ||
1351 | ||
14698a3a | 1352 | static int file_compare(struct file_struct **file1, struct file_struct **file2) |
c627d613 | 1353 | { |
14698a3a | 1354 | return f_name_cmp(*file1, *file2); |
c627d613 AT |
1355 | } |
1356 | ||
1357 | ||
f5db0993 WD |
1358 | /* Search for an identically-named item in the file list. Note that the |
1359 | * items must agree in their directory-ness, or no match is returned. */ | |
2f3cad89 | 1360 | int flist_find(struct file_list *flist, struct file_struct *f) |
c627d613 | 1361 | { |
f3c3ed44 WD |
1362 | int low = flist->low, high = flist->high; |
1363 | int ret, mid, mid_up; | |
1364 | ||
1365 | while (low <= high) { | |
1366 | mid = (low + high) / 2; | |
1367 | for (mid_up = mid; !flist->files[mid_up]->basename; mid_up++) {} | |
1368 | if (mid_up <= high) | |
14698a3a | 1369 | ret = f_name_cmp(flist->files[mid_up], f); |
f3c3ed44 WD |
1370 | else |
1371 | ret = 1; | |
f5db0993 WD |
1372 | if (ret == 0) { |
1373 | if (protocol_version < 29 | |
1374 | && S_ISDIR(flist->files[mid_up]->mode) | |
1375 | != S_ISDIR(f->mode)) | |
1376 | return -1; | |
f3c3ed44 | 1377 | return mid_up; |
f5db0993 | 1378 | } |
b7736c79 | 1379 | if (ret > 0) |
f3c3ed44 | 1380 | high = mid - 1; |
b7736c79 | 1381 | else |
f3c3ed44 | 1382 | low = mid_up + 1; |
d966ee25 | 1383 | } |
d966ee25 | 1384 | return -1; |
c627d613 AT |
1385 | } |
1386 | ||
f5db0993 | 1387 | |
3ec4dd97 | 1388 | /* |
9935066b S |
1389 | * Free up any resources a file_struct has allocated |
1390 | * and clear the file. | |
3ec4dd97 | 1391 | */ |
9935066b | 1392 | void clear_file(int i, struct file_list *flist) |
c627d613 | 1393 | { |
9935066b S |
1394 | if (flist->hlink_pool && flist->files[i]->link_u.idev) |
1395 | pool_free(flist->hlink_pool, 0, flist->files[i]->link_u.idev); | |
1396 | memset(flist->files[i], 0, file_struct_len); | |
3ec4dd97 | 1397 | } |
c627d613 | 1398 | |
c627d613 | 1399 | |
3d382777 AT |
1400 | /* |
1401 | * allocate a new file list | |
1402 | */ | |
9935066b | 1403 | struct file_list *flist_new(int with_hlink, char *msg) |
3d382777 AT |
1404 | { |
1405 | struct file_list *flist; | |
1406 | ||
58cadc86 | 1407 | flist = new(struct file_list); |
ebed4c3a | 1408 | if (!flist) |
9935066b | 1409 | out_of_memory(msg); |
3d382777 | 1410 | |
9935066b S |
1411 | memset(flist, 0, sizeof (struct file_list)); |
1412 | ||
1413 | if (!(flist->file_pool = pool_create(FILE_EXTENT, 0, | |
1414 | out_of_memory, POOL_INTERN))) | |
1415 | out_of_memory(msg); | |
1416 | ||
4f5b0756 | 1417 | #ifdef SUPPORT_HARD_LINKS |
9935066b | 1418 | if (with_hlink && preserve_hard_links) { |
3e491682 | 1419 | if (!(flist->hlink_pool = pool_create(HLINK_EXTENT, |
9935066b S |
1420 | sizeof (struct idev), out_of_memory, POOL_INTERN))) |
1421 | out_of_memory(msg); | |
1422 | } | |
1423 | #endif | |
d9d6bc52 | 1424 | |
3d382777 AT |
1425 | return flist; |
1426 | } | |
ebed4c3a | 1427 | |
3ec4dd97 AT |
1428 | /* |
1429 | * free up all elements in a flist | |
1430 | */ | |
1431 | void flist_free(struct file_list *flist) | |
1432 | { | |
9935066b S |
1433 | pool_destroy(flist->file_pool); |
1434 | pool_destroy(flist->hlink_pool); | |
3ec4dd97 | 1435 | free(flist->files); |
3ec4dd97 | 1436 | free(flist); |
c627d613 AT |
1437 | } |
1438 | ||
1439 | ||
1440 | /* | |
1441 | * This routine ensures we don't have any duplicate names in our file list. | |
dbda5fbf | 1442 | * duplicate names can cause corruption because of the pipelining |
c627d613 | 1443 | */ |
827c37f6 | 1444 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups) |
c627d613 | 1445 | { |
6931c138 | 1446 | int i, prev_i = 0; |
c627d613 | 1447 | |
ebed4c3a | 1448 | if (!flist || flist->count == 0) |
3ec4dd97 | 1449 | return; |
3ec4dd97 | 1450 | |
bf0c5bec | 1451 | sorting_flist = flist; |
ebed4c3a | 1452 | qsort(flist->files, flist->count, |
a4a7e64c | 1453 | sizeof flist->files[0], (int (*)())file_compare); |
bf0c5bec | 1454 | sorting_flist = NULL; |
ebed4c3a | 1455 | |
827c37f6 | 1456 | for (i = no_dups? 0 : flist->count; i < flist->count; i++) { |
b91b50c0 | 1457 | if (flist->files[i]->basename) { |
6931c138 | 1458 | prev_i = i; |
b91b50c0 WD |
1459 | break; |
1460 | } | |
1461 | } | |
f3c3ed44 | 1462 | flist->low = prev_i; |
b91b50c0 | 1463 | while (++i < flist->count) { |
fe1c19dc | 1464 | int j; |
f5db0993 WD |
1465 | struct file_struct *file = flist->files[i]; |
1466 | ||
1467 | if (!file->basename) | |
b91b50c0 | 1468 | continue; |
fe1c19dc WD |
1469 | if (f_name_cmp(file, flist->files[prev_i]) == 0) |
1470 | j = prev_i; | |
1471 | else if (protocol_version >= 29 && S_ISDIR(file->mode)) { | |
f5db0993 WD |
1472 | int save_mode = file->mode; |
1473 | /* Make sure that this directory doesn't duplicate a | |
1474 | * non-directory earlier in the list. */ | |
f5db0993 | 1475 | flist->high = prev_i; |
fe1c19dc WD |
1476 | file->mode = S_IFREG; |
1477 | j = flist_find(flist, file); | |
f5db0993 | 1478 | file->mode = save_mode; |
fe1c19dc WD |
1479 | } else |
1480 | j = -1; | |
1481 | if (j >= 0) { | |
1482 | struct file_struct *fp = flist->files[j]; | |
1483 | int keep, drop; | |
1484 | /* If one is a dir and the other is not, we want to | |
1485 | * keep the dir because it might have contents in the | |
1486 | * list. */ | |
1487 | if (S_ISDIR(file->mode) != S_ISDIR(fp->mode)) { | |
1488 | if (S_ISDIR(file->mode)) | |
1489 | keep = i, drop = j; | |
1490 | else | |
1491 | keep = j, drop = i; | |
1492 | } else | |
1493 | keep = j, drop = i; | |
b91b50c0 | 1494 | if (verbose > 1 && !am_server) { |
ebed4c3a | 1495 | rprintf(FINFO, |
fe1c19dc WD |
1496 | "removing duplicate name %s from file list (%d)\n", |
1497 | safe_fname(f_name(file)), drop); | |
b91b50c0 | 1498 | } |
6931c138 | 1499 | /* Make sure that if we unduplicate '.', that we don't |
ee3751c8 | 1500 | * lose track of a user-specified top directory. */ |
fe1c19dc WD |
1501 | if (flist->files[drop]->flags & FLAG_TOP_DIR) |
1502 | flist->files[keep]->flags |= FLAG_TOP_DIR; | |
1503 | ||
1504 | clear_file(drop, flist); | |
9935066b | 1505 | |
fe1c19dc WD |
1506 | if (keep == i) { |
1507 | if (flist->low == drop) { | |
1508 | for (j = drop + 1; | |
1509 | j < i && !flist->files[j]->basename; | |
1510 | j++) {} | |
1511 | flist->low = j; | |
1512 | } | |
1513 | prev_i = i; | |
1514 | } | |
728d0922 | 1515 | } else |
6931c138 | 1516 | prev_i = i; |
3ec4dd97 | 1517 | } |
f5db0993 | 1518 | flist->high = no_dups ? prev_i : flist->count - 1; |
0199b05f AT |
1519 | |
1520 | if (strip_root) { | |
f5db0993 WD |
1521 | /* We need to strip off the leading slashes for relative |
1522 | * paths, but this must be done _after_ the sorting phase. */ | |
1523 | for (i = flist->low; i <= flist->high; i++) { | |
1524 | struct file_struct *file = flist->files[i]; | |
ebed4c3a | 1525 | |
f5db0993 WD |
1526 | if (!file->dirname) |
1527 | continue; | |
1528 | if (*file->dirname == '/') { | |
1529 | char *s = file->dirname + 1; | |
1530 | while (*s == '/') s++; | |
1531 | memmove(file->dirname, s, strlen(s) + 1); | |
0199b05f | 1532 | } |
f5db0993 WD |
1533 | |
1534 | if (!*file->dirname) | |
1535 | file->dirname = NULL; | |
0199b05f AT |
1536 | } |
1537 | } | |
cefed3e8 | 1538 | } |
0199b05f | 1539 | |
48ea74bf | 1540 | static void output_flist(struct file_list *flist, const char *whose_list) |
cefed3e8 | 1541 | { |
f3c3ed44 | 1542 | char uidbuf[16], gidbuf[16], depthbuf[16]; |
cefed3e8 WD |
1543 | struct file_struct *file; |
1544 | int i; | |
0199b05f | 1545 | |
ebed4c3a | 1546 | for (i = 0; i < flist->count; i++) { |
cefed3e8 | 1547 | file = flist->files[i]; |
56194bcd | 1548 | if ((am_root || am_sender) && preserve_uid) |
f05f993e WD |
1549 | sprintf(uidbuf, " uid=%ld", (long)file->uid); |
1550 | else | |
1551 | *uidbuf = '\0'; | |
cefed3e8 | 1552 | if (preserve_gid && file->gid != GID_NONE) |
f05f993e WD |
1553 | sprintf(gidbuf, " gid=%ld", (long)file->gid); |
1554 | else | |
1555 | *gidbuf = '\0'; | |
f3c3ed44 WD |
1556 | if (!am_sender) |
1557 | sprintf(depthbuf, "%d", file->dir.depth); | |
14698a3a | 1558 | rprintf(FINFO, "[%s] i=%d %s %s%s%s%s mode=0%o len=%.0f%s%s flags=%x\n", |
f3c3ed44 | 1559 | whose_list, i, am_sender ? NS(file->dir.root) : depthbuf, |
71903f60 | 1560 | file->dirname ? safe_fname(file->dirname) : "", |
14698a3a WD |
1561 | file->dirname ? "/" : "", NS(file->basename), |
1562 | S_ISDIR(file->mode) ? "/" : "", (int)file->mode, | |
f3c3ed44 | 1563 | (double)file->length, uidbuf, gidbuf, file->flags); |
0199b05f | 1564 | } |
3ec4dd97 AT |
1565 | } |
1566 | ||
1567 | ||
8824e2ce | 1568 | enum fnc_state { s_DIR, s_SLASH, s_BASE, s_TRAILING }; |
f5db0993 | 1569 | enum fnc_type { t_PATH, t_ITEM }; |
8018edd3 | 1570 | |
2f3cad89 | 1571 | /* Compare the names of two file_struct entities, similar to how strcmp() |
f5db0993 WD |
1572 | * would do if it were operating on the joined strings. |
1573 | * | |
1574 | * Some differences beginning with protocol_version 29: (1) directory names | |
1575 | * are compared with an assumed trailing slash so that they compare in a | |
1576 | * way that would cause them to sort immediately prior to any content they | |
1577 | * may have; (2) a directory of any name compares after a non-directory of | |
1578 | * any name at the same depth; (3) a directory with name "." compares prior | |
1579 | * to anything else. These changes mean that a directory and a non-dir | |
1580 | * with the same name will not compare as equal (protocol_version >= 29). | |
1581 | * | |
1582 | * The dirname component can be an empty string, but the basename component | |
1583 | * cannot (and never is in the current codebase). The basename component | |
1584 | * may be NULL (for a removed item), in which case it is considered to be | |
1585 | * after any existing item. */ | |
8018edd3 | 1586 | int f_name_cmp(struct file_struct *f1, struct file_struct *f2) |
3ec4dd97 | 1587 | { |
8018edd3 WD |
1588 | int dif; |
1589 | const uchar *c1, *c2; | |
1ef00d20 | 1590 | enum fnc_state state1, state2; |
f5db0993 WD |
1591 | enum fnc_type type1, type2; |
1592 | enum fnc_type t_path = protocol_version >= 29 ? t_PATH : t_ITEM; | |
8018edd3 WD |
1593 | |
1594 | if (!f1 || !f1->basename) { | |
1595 | if (!f2 || !f2->basename) | |
1596 | return 0; | |
1597 | return -1; | |
1598 | } | |
1599 | if (!f2 || !f2->basename) | |
1600 | return 1; | |
1601 | ||
14698a3a WD |
1602 | c1 = (uchar*)f1->dirname; |
1603 | c2 = (uchar*)f2->dirname; | |
1604 | if (c1 == c2) | |
1605 | c1 = c2 = NULL; | |
1606 | if (!c1) { | |
f5db0993 | 1607 | type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM; |
e90b8ace | 1608 | c1 = (uchar*)f1->basename; |
f5db0993 WD |
1609 | if (type1 == t_PATH && *c1 == '.' && !c1[1]) { |
1610 | type1 = t_ITEM; | |
1611 | state1 = s_TRAILING; | |
1612 | c1 = (uchar*)""; | |
1613 | } else | |
1614 | state1 = s_BASE; | |
080ddf58 | 1615 | } else if (!*c1) { |
f5db0993 | 1616 | type1 = t_path; |
8824e2ce | 1617 | state1 = s_SLASH; |
080ddf58 | 1618 | c1 = (uchar*)"/"; |
f5db0993 WD |
1619 | } else { |
1620 | type1 = t_path; | |
8824e2ce | 1621 | state1 = s_DIR; |
f5db0993 | 1622 | } |
14698a3a | 1623 | if (!c2) { |
f5db0993 | 1624 | type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM; |
e90b8ace | 1625 | c2 = (uchar*)f2->basename; |
f5db0993 WD |
1626 | if (type2 == t_PATH && *c2 == '.' && !c2[1]) { |
1627 | type2 = t_ITEM; | |
1628 | state2 = s_TRAILING; | |
1629 | c2 = (uchar*)""; | |
1630 | } else | |
1631 | state2 = s_BASE; | |
080ddf58 | 1632 | } else if (!*c2) { |
f5db0993 | 1633 | type2 = t_path; |
8824e2ce | 1634 | state2 = s_SLASH; |
080ddf58 | 1635 | c2 = (uchar*)"/"; |
f5db0993 WD |
1636 | } else { |
1637 | type2 = t_path; | |
8824e2ce | 1638 | state2 = s_DIR; |
f5db0993 WD |
1639 | } |
1640 | ||
1641 | if (type1 != type2) | |
1642 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 WD |
1643 | |
1644 | while (1) { | |
f5db0993 | 1645 | if ((dif = (int)*c1++ - (int)*c2++) != 0) |
8018edd3 | 1646 | break; |
f5db0993 | 1647 | if (!*c1) { |
8018edd3 | 1648 | switch (state1) { |
8824e2ce WD |
1649 | case s_DIR: |
1650 | state1 = s_SLASH; | |
e90b8ace | 1651 | c1 = (uchar*)"/"; |
8018edd3 | 1652 | break; |
8824e2ce | 1653 | case s_SLASH: |
f5db0993 | 1654 | type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM; |
8824e2ce | 1655 | state1 = s_BASE; |
e90b8ace | 1656 | c1 = (uchar*)f1->basename; |
8018edd3 | 1657 | break; |
8824e2ce WD |
1658 | case s_BASE: |
1659 | state1 = s_TRAILING; | |
f5db0993 | 1660 | if (type1 == t_PATH) { |
2f3cad89 | 1661 | c1 = (uchar*)"/"; |
f5db0993 WD |
1662 | break; |
1663 | } | |
1664 | /* FALL THROUGH */ | |
8824e2ce | 1665 | case s_TRAILING: |
f5db0993 | 1666 | type1 = t_ITEM; |
8018edd3 WD |
1667 | break; |
1668 | } | |
f5db0993 WD |
1669 | if (*c2 && type1 != type2) |
1670 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 | 1671 | } |
f5db0993 | 1672 | if (!*c2) { |
8018edd3 | 1673 | switch (state2) { |
8824e2ce | 1674 | case s_DIR: |
bf0c5bec WD |
1675 | if (state1 == s_SLASH && sorting_flist) { |
1676 | int j; | |
1677 | /* Optimize for future comparisons. */ | |
1678 | for (j = 0; | |
1679 | j < sorting_flist->count; | |
1680 | j++) { | |
1681 | struct file_struct *fp | |
1682 | = sorting_flist->files[j]; | |
1683 | if (fp->dirname == f2->dirname) | |
1684 | fp->dirname = f1->dirname; | |
1685 | } | |
1686 | } | |
8824e2ce | 1687 | state2 = s_SLASH; |
e90b8ace | 1688 | c2 = (uchar*)"/"; |
8018edd3 | 1689 | break; |
8824e2ce | 1690 | case s_SLASH: |
f5db0993 | 1691 | type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM; |
8824e2ce | 1692 | state2 = s_BASE; |
e90b8ace | 1693 | c2 = (uchar*)f2->basename; |
8018edd3 | 1694 | break; |
8824e2ce | 1695 | case s_BASE: |
8824e2ce | 1696 | state2 = s_TRAILING; |
f5db0993 | 1697 | if (type2 == t_PATH) { |
2f3cad89 | 1698 | c2 = (uchar*)"/"; |
f5db0993 WD |
1699 | break; |
1700 | } | |
1701 | /* FALL THROUGH */ | |
8824e2ce | 1702 | case s_TRAILING: |
f5db0993 WD |
1703 | if (!*c1) |
1704 | return 0; | |
1705 | type2 = t_ITEM; | |
8018edd3 WD |
1706 | break; |
1707 | } | |
f5db0993 WD |
1708 | if (type1 != type2) |
1709 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 WD |
1710 | } |
1711 | } | |
1712 | ||
1713 | return dif; | |
1714 | } | |
1715 | ||
3ec4dd97 | 1716 | |
8018edd3 | 1717 | /* Return a copy of the full filename of a flist entry, using the indicated |
882e6893 WD |
1718 | * buffer. No size-checking is done because we checked the size when creating |
1719 | * the file_struct entry. | |
8018edd3 | 1720 | */ |
882e6893 | 1721 | char *f_name_to(struct file_struct *f, char *fbuf) |
8018edd3 | 1722 | { |
ebed4c3a MP |
1723 | if (!f || !f->basename) |
1724 | return NULL; | |
3ec4dd97 | 1725 | |
3ec4dd97 | 1726 | if (f->dirname) { |
882e6893 WD |
1727 | int len = strlen(f->dirname); |
1728 | memcpy(fbuf, f->dirname, len); | |
1729 | fbuf[len] = '/'; | |
1730 | strcpy(fbuf + len + 1, f->basename); | |
8018edd3 | 1731 | } else |
882e6893 | 1732 | strcpy(fbuf, f->basename); |
b7736c79 | 1733 | return fbuf; |
8018edd3 | 1734 | } |
e03dfae5 | 1735 | |
3ec4dd97 | 1736 | |
45478cc7 | 1737 | /* Like f_name_to(), but we rotate through 5 static buffers of our own. */ |
8018edd3 WD |
1738 | char *f_name(struct file_struct *f) |
1739 | { | |
1740 | static char names[5][MAXPATHLEN]; | |
1741 | static unsigned int n; | |
1742 | ||
1743 | n = (n + 1) % (sizeof names / sizeof names[0]); | |
1744 | ||
882e6893 | 1745 | return f_name_to(f, names[n]); |
c627d613 | 1746 | } |
649f8742 | 1747 | |
45478cc7 | 1748 | |
37802f40 WD |
1749 | struct file_list *get_dirlist(const char *dirname, int ignore_filter_rules) |
1750 | { | |
1751 | struct file_list *dirlist; | |
1752 | char dirbuf[MAXPATHLEN]; | |
1753 | int dlen; | |
1754 | int save_recurse = recurse; | |
1755 | ||
1756 | dlen = strlcpy(dirbuf, dirname, MAXPATHLEN); | |
1757 | if (dlen >= MAXPATHLEN) | |
1758 | return NULL; | |
1759 | ||
1760 | dirlist = flist_new(WITHOUT_HLINK, "get_dirlist"); | |
1761 | recurse = 0; | |
1762 | send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirbuf, dlen); | |
1763 | recurse = save_recurse; | |
1764 | ||
1765 | return dirlist; | |
1766 | } | |
1767 | ||
45478cc7 | 1768 | |
ee3751c8 WD |
1769 | /* This function is used to implement per-directory deletion, and |
1770 | * is used by all the --delete-WHEN options. Note that the fbuf | |
1771 | * pointer must point to a MAXPATHLEN buffer with the name of the | |
1772 | * directory in it (the functions we call will append names onto | |
1773 | * the end, but the old dir value will be restored on exit). */ | |
1774 | void delete_in_dir(struct file_list *flist, char *fbuf, | |
1775 | struct file_struct *file) | |
649f8742 | 1776 | { |
14698a3a WD |
1777 | static int min_depth = MAXPATHLEN, cur_depth = -1; |
1778 | static void *filt_array[MAXPATHLEN/2+1]; | |
45478cc7 WD |
1779 | struct file_list *dir_list; |
1780 | STRUCT_STAT st; | |
ee3751c8 | 1781 | int dlen; |
19b2a5d9 WD |
1782 | |
1783 | if (!flist) { | |
14698a3a WD |
1784 | while (cur_depth >= min_depth) |
1785 | pop_local_filters(filt_array[cur_depth--]); | |
1786 | min_depth = MAXPATHLEN; | |
1787 | cur_depth = -1; | |
19b2a5d9 WD |
1788 | return; |
1789 | } | |
ee3751c8 | 1790 | if (file->dir.depth >= MAXPATHLEN/2+1) |
14698a3a | 1791 | return; /* Impossible... */ |
649f8742 WD |
1792 | |
1793 | if (max_delete && deletion_count >= max_delete) | |
1794 | return; | |
1795 | ||
1796 | if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) { | |
f1773e09 | 1797 | rprintf(FINFO, |
4ccfd96c | 1798 | "IO error encountered -- skipping file deletion\n"); |
649f8742 WD |
1799 | max_delete = -1; /* avoid duplicating the above warning */ |
1800 | return; | |
1801 | } | |
1802 | ||
ee3751c8 | 1803 | while (cur_depth >= file->dir.depth && cur_depth >= min_depth) |
14698a3a | 1804 | pop_local_filters(filt_array[cur_depth--]); |
ee3751c8 | 1805 | cur_depth = file->dir.depth; |
14698a3a WD |
1806 | if (min_depth > cur_depth) |
1807 | min_depth = cur_depth; | |
ee3751c8 | 1808 | dlen = strlen(fbuf); |
14698a3a | 1809 | filt_array[cur_depth] = push_local_filters(fbuf, dlen); |
f1773e09 | 1810 | |
14698a3a | 1811 | if (link_stat(fbuf, &st, keep_dirlinks) < 0) |
776b9d1c WD |
1812 | return; |
1813 | ||
ee3751c8 | 1814 | if (one_file_system && file->flags & FLAG_TOP_DIR) |
776b9d1c WD |
1815 | filesystem_dev = st.st_dev; |
1816 | ||
45478cc7 | 1817 | dir_list = flist_new(WITHOUT_HLINK, "delete_in_dir"); |
f1773e09 WD |
1818 | |
1819 | recurse = 0; | |
19b2a5d9 | 1820 | send_directory(-1, dir_list, fbuf, dlen); |
f1773e09 | 1821 | recurse = -1; |
14698a3a | 1822 | fbuf[dlen] = '\0'; |
45478cc7 WD |
1823 | |
1824 | if (verbose > 3) | |
1825 | output_flist(dir_list, "delete"); | |
1826 | ||
14698a3a | 1827 | delete_missing(flist, dir_list, fbuf); |
45478cc7 WD |
1828 | |
1829 | flist_free(dir_list); | |
1830 | } | |
1831 | ||
649f8742 | 1832 | |
45478cc7 WD |
1833 | /* If an item in dir_list is not found in full_list, delete it from the |
1834 | * filesystem. */ | |
1835 | void delete_missing(struct file_list *full_list, struct file_list *dir_list, | |
1836 | const char *dirname) | |
1837 | { | |
e1f40891 WD |
1838 | char fbuf[MAXPATHLEN]; |
1839 | int i; | |
45478cc7 WD |
1840 | |
1841 | if (max_delete && deletion_count >= max_delete) | |
649f8742 WD |
1842 | return; |
1843 | ||
14698a3a WD |
1844 | if (verbose > 2) |
1845 | rprintf(FINFO, "delete_missing(%s)\n", safe_fname(dirname)); | |
649f8742 | 1846 | |
f1773e09 | 1847 | for (i = dir_list->count; i--; ) { |
45478cc7 | 1848 | if (!dir_list->files[i]->basename) |
649f8742 | 1849 | continue; |
f5db0993 | 1850 | if (flist_find(full_list, dir_list->files[i]) < 0) { |
e1f40891 WD |
1851 | char *fn = f_name_to(dir_list->files[i], fbuf); |
1852 | int mode = dir_list->files[i]->mode; | |
1853 | int dflag = S_ISDIR(mode) ? DEL_FORCE_RECURSE : 0; | |
1854 | if (delete_file(fn, mode, dflag) < 0) | |
45478cc7 | 1855 | break; |
649f8742 WD |
1856 | } |
1857 | } | |
649f8742 | 1858 | } |