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 | * | |
24 | * @todo Get rid of the string_area optimization. Efficiently | |
25 | * allocating blocks is the responsibility of the system's malloc | |
26 | * library, not of rsync. | |
27 | * | |
172875cf MP |
28 | * @sa http://lists.samba.org/pipermail/rsync/2000-June/002351.html |
29 | * | |
736a6a29 | 30 | **/ |
c627d613 AT |
31 | |
32 | #include "rsync.h" | |
33 | ||
a800434a AT |
34 | extern struct stats stats; |
35 | ||
c627d613 | 36 | extern int verbose; |
1bbd10fe | 37 | extern int do_progress; |
c627d613 AT |
38 | extern int am_server; |
39 | extern int always_checksum; | |
c627d613 AT |
40 | |
41 | extern int cvs_exclude; | |
42 | ||
a06d19e3 | 43 | extern int recurse; |
24d0fcde WD |
44 | extern char *files_from; |
45 | extern int filesfrom_fd; | |
a06d19e3 | 46 | |
c627d613 AT |
47 | extern int one_file_system; |
48 | extern int make_backups; | |
49 | extern int preserve_links; | |
dc5ddbcc | 50 | extern int preserve_hard_links; |
c627d613 AT |
51 | extern int preserve_perms; |
52 | extern int preserve_devices; | |
53 | extern int preserve_uid; | |
54 | extern int preserve_gid; | |
55 | extern int preserve_times; | |
6574b4f7 | 56 | extern int relative_paths; |
24d0fcde | 57 | extern int implied_dirs; |
82306bf6 | 58 | extern int copy_links; |
b5313607 | 59 | extern int copy_unsafe_links; |
d04e9c51 | 60 | extern int protocol_version; |
cb13abfe | 61 | extern int sanitize_paths; |
c627d613 | 62 | |
6902ed17 MP |
63 | extern int read_batch; |
64 | extern int write_batch; | |
65 | ||
429f9828 WD |
66 | extern struct exclude_struct **exclude_list; |
67 | extern struct exclude_struct **server_exclude_list; | |
68 | extern struct exclude_struct **local_exclude_list; | |
c627d613 | 69 | |
06c28400 WD |
70 | int io_error; |
71 | ||
3d382777 | 72 | static struct file_struct null_file; |
fea4db62 | 73 | static char empty_sum[MD4_SUM_LENGTH]; |
3d382777 | 74 | |
827c37f6 | 75 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups); |
0199b05f | 76 | |
58225000 | 77 | |
1bbd10fe | 78 | static int show_filelist_p(void) |
58225000 | 79 | { |
24d0fcde | 80 | return verbose && (recurse || files_from) && !am_server; |
1bbd10fe | 81 | } |
ebed4c3a | 82 | |
1bbd10fe DD |
83 | static void start_filelist_progress(char *kind) |
84 | { | |
85 | rprintf(FINFO, "%s ... ", kind); | |
86 | if ((verbose > 1) || do_progress) | |
87 | rprintf(FINFO, "\n"); | |
88 | rflush(FINFO); | |
58225000 MP |
89 | } |
90 | ||
db719fb0 | 91 | |
d27cbec5 | 92 | static void emit_filelist_progress(const struct file_list *flist) |
db719fb0 | 93 | { |
d27cbec5 | 94 | rprintf(FINFO, " %d files...\r", flist->count); |
db719fb0 MP |
95 | } |
96 | ||
97 | ||
d27cbec5 | 98 | static void maybe_emit_filelist_progress(const struct file_list *flist) |
58225000 | 99 | { |
d27cbec5 DD |
100 | if (do_progress && show_filelist_p() && ((flist->count % 100) == 0)) |
101 | emit_filelist_progress(flist); | |
58225000 MP |
102 | } |
103 | ||
104 | ||
1bbd10fe | 105 | static void finish_filelist_progress(const struct file_list *flist) |
58225000 | 106 | { |
1bbd10fe DD |
107 | if (do_progress) { |
108 | /* This overwrites the progress line */ | |
c7b562be MP |
109 | rprintf(FINFO, "%d file%sto consider\n", |
110 | flist->count, flist->count == 1 ? " " : "s "); | |
b7736c79 | 111 | } else |
1bbd10fe | 112 | rprintf(FINFO, "done\n"); |
58225000 MP |
113 | } |
114 | ||
86943126 MP |
115 | void show_flist_stats(void) |
116 | { | |
117 | /* Nothing yet */ | |
118 | } | |
119 | ||
120 | ||
5c66303a | 121 | static struct string_area *string_area_new(int size) |
3d382777 AT |
122 | { |
123 | struct string_area *a; | |
124 | ||
ebed4c3a MP |
125 | if (size <= 0) |
126 | size = ARENA_SIZE; | |
58cadc86 | 127 | a = new(struct string_area); |
ebed4c3a MP |
128 | if (!a) |
129 | out_of_memory("string_area_new"); | |
58cadc86 | 130 | a->current = a->base = new_array(char, size); |
ebed4c3a MP |
131 | if (!a->current) |
132 | out_of_memory("string_area_new buffer"); | |
3d382777 | 133 | a->end = a->base + size; |
5c66303a | 134 | a->next = NULL; |
3d382777 AT |
135 | |
136 | return a; | |
137 | } | |
138 | ||
5c66303a | 139 | static void string_area_free(struct string_area *a) |
3d382777 AT |
140 | { |
141 | struct string_area *next; | |
142 | ||
ebed4c3a | 143 | for (; a; a = next) { |
3d382777 AT |
144 | next = a->next; |
145 | free(a->base); | |
146 | } | |
147 | } | |
148 | ||
5c66303a | 149 | static char *string_area_malloc(struct string_area **ap, int size) |
3d382777 AT |
150 | { |
151 | char *p; | |
152 | struct string_area *a; | |
153 | ||
154 | /* does the request fit into the current space? */ | |
155 | a = *ap; | |
156 | if (a->current + size >= a->end) { | |
157 | /* no; get space, move new string_area to front of the list */ | |
158 | a = string_area_new(size > ARENA_SIZE ? size : ARENA_SIZE); | |
159 | a->next = *ap; | |
160 | *ap = a; | |
161 | } | |
162 | ||
163 | /* have space; do the "allocation." */ | |
164 | p = a->current; | |
165 | a->current += size; | |
166 | return p; | |
167 | } | |
168 | ||
5c66303a | 169 | static char *string_area_strdup(struct string_area **ap, const char *src) |
3d382777 | 170 | { |
ebed4c3a | 171 | char *dest = string_area_malloc(ap, strlen(src) + 1); |
3d382777 AT |
172 | return strcpy(dest, src); |
173 | } | |
f7632fc6 AT |
174 | |
175 | static void list_file_entry(struct file_struct *f) | |
176 | { | |
740819ef | 177 | char perms[11]; |
f7632fc6 | 178 | |
7212be92 DD |
179 | if (!f->basename) |
180 | /* this can happen if duplicate names were removed */ | |
181 | return; | |
182 | ||
740819ef MP |
183 | permstring(perms, f->mode); |
184 | ||
f7632fc6 | 185 | if (preserve_links && S_ISLNK(f->mode)) { |
ebed4c3a MP |
186 | rprintf(FINFO, "%s %11.0f %s %s -> %s\n", |
187 | perms, | |
188 | (double) f->length, timestring(f->modtime), | |
f7632fc6 AT |
189 | f_name(f), f->link); |
190 | } else { | |
ebed4c3a MP |
191 | rprintf(FINFO, "%s %11.0f %s %s\n", |
192 | perms, | |
193 | (double) f->length, timestring(f->modtime), | |
194 | f_name(f)); | |
f7632fc6 AT |
195 | } |
196 | } | |
197 | ||
198 | ||
bd9e9ecc MP |
199 | /** |
200 | * Stat either a symlink or its referent, depending on the settings of | |
201 | * copy_links, copy_unsafe_links, etc. | |
202 | * | |
4e5db0ad MP |
203 | * @retval -1 on error |
204 | * | |
205 | * @retval 0 for success | |
206 | * | |
207 | * @post If @p path is a symlink, then @p linkbuf (of size @c | |
bd9e9ecc | 208 | * MAXPATHLEN) contains the symlink target. |
4e5db0ad MP |
209 | * |
210 | * @post @p buffer contains information about the link or the | |
211 | * referrent as appropriate, if they exist. | |
bd9e9ecc | 212 | **/ |
b7736c79 | 213 | int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf) |
b5313607 DD |
214 | { |
215 | #if SUPPORT_LINKS | |
b7736c79 | 216 | if (copy_links) |
6f2623fd | 217 | return do_stat(path, buffer); |
b7736c79 | 218 | if (do_lstat(path, buffer) == -1) |
b5313607 | 219 | return -1; |
6f2623fd | 220 | if (S_ISLNK(buffer->st_mode)) { |
b7736c79 | 221 | int l = readlink((char *) path, linkbuf, MAXPATHLEN - 1); |
dbda5fbf | 222 | if (l == -1) |
b5313607 | 223 | return -1; |
6f2623fd | 224 | linkbuf[l] = 0; |
fc638474 DD |
225 | if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) { |
226 | if (verbose > 1) { | |
dbda5fbf | 227 | rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n", |
fc638474 DD |
228 | path, linkbuf); |
229 | } | |
6f2623fd | 230 | return do_stat(path, buffer); |
b5313607 DD |
231 | } |
232 | } | |
233 | return 0; | |
234 | #else | |
6f2623fd | 235 | return do_stat(path, buffer); |
b5313607 DD |
236 | #endif |
237 | } | |
238 | ||
6f2623fd | 239 | int link_stat(const char *path, STRUCT_STAT * buffer) |
82306bf6 AT |
240 | { |
241 | #if SUPPORT_LINKS | |
b7736c79 | 242 | if (copy_links) |
6f2623fd | 243 | return do_stat(path, buffer); |
b7736c79 | 244 | return do_lstat(path, buffer); |
82306bf6 | 245 | #else |
6f2623fd | 246 | return do_stat(path, buffer); |
82306bf6 AT |
247 | #endif |
248 | } | |
249 | ||
c627d613 | 250 | /* |
429f9828 WD |
251 | * This function is used to check if a file should be included/excluded |
252 | * from the list of files based on its name and type etc. The value of | |
253 | * exclude_level is set to either SERVER_EXCLUDES or ALL_EXCLUDES. | |
c627d613 | 254 | */ |
429f9828 | 255 | static int check_exclude_file(char *fname, int is_dir, int exclude_level) |
c627d613 | 256 | { |
7d687932 | 257 | #if 0 /* This currently never happens, so avoid a useless compare. */ |
429f9828 WD |
258 | if (exclude_level == NO_EXCLUDES) |
259 | return 0; | |
260 | #endif | |
6931c138 | 261 | if (fname) { |
429f9828 | 262 | /* never exclude '.', even if somebody does --exclude '*' */ |
6931c138 WD |
263 | if (fname[0] == '.' && !fname[1]) |
264 | return 0; | |
265 | /* Handle the -R version of the '.' dir. */ | |
266 | if (fname[0] == '/') { | |
267 | int len = strlen(fname); | |
268 | if (fname[len-1] == '.' && fname[len-2] == '/') | |
269 | return 0; | |
270 | } | |
76e26e10 | 271 | } |
6931c138 WD |
272 | if (server_exclude_list |
273 | && check_exclude(server_exclude_list, fname, is_dir)) | |
429f9828 WD |
274 | return 1; |
275 | if (exclude_level != ALL_EXCLUDES) | |
276 | return 0; | |
277 | if (exclude_list && check_exclude(exclude_list, fname, is_dir)) | |
278 | return 1; | |
6931c138 WD |
279 | if (local_exclude_list |
280 | && check_exclude(local_exclude_list, fname, is_dir)) | |
76e26e10 | 281 | return 1; |
76e26e10 | 282 | return 0; |
c627d613 AT |
283 | } |
284 | ||
285 | /* used by the one_file_system code */ | |
286 | static dev_t filesystem_dev; | |
287 | ||
288 | static void set_filesystem(char *fname) | |
289 | { | |
ebed4c3a MP |
290 | STRUCT_STAT st; |
291 | if (link_stat(fname, &st) != 0) | |
292 | return; | |
293 | filesystem_dev = st.st_dev; | |
c627d613 AT |
294 | } |
295 | ||
296 | ||
b280a1f4 AT |
297 | static int to_wire_mode(mode_t mode) |
298 | { | |
b7736c79 | 299 | if (S_ISLNK(mode) && (_S_IFLNK != 0120000)) |
b280a1f4 | 300 | return (mode & ~(_S_IFMT)) | 0120000; |
ebed4c3a | 301 | return (int) mode; |
b280a1f4 AT |
302 | } |
303 | ||
304 | static mode_t from_wire_mode(int mode) | |
305 | { | |
b7736c79 | 306 | if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000)) |
efe3037c | 307 | return (mode & ~(_S_IFMT)) | _S_IFLNK; |
ebed4c3a | 308 | return (mode_t) mode; |
b280a1f4 AT |
309 | } |
310 | ||
311 | ||
ebed4c3a | 312 | static void send_directory(int f, struct file_list *flist, char *dir); |
c627d613 | 313 | |
3a6a366f | 314 | static char *flist_dir; |
c627d613 | 315 | |
3ec4dd97 | 316 | |
d9d6bc52 MP |
317 | /** |
318 | * Make sure @p flist is big enough to hold at least @p flist->count | |
319 | * entries. | |
320 | **/ | |
321 | static void flist_expand(struct file_list *flist) | |
322 | { | |
323 | if (flist->count >= flist->malloced) { | |
2e7d1994 | 324 | void *new_ptr; |
dbda5fbf | 325 | |
d9d6bc52 MP |
326 | if (flist->malloced < 1000) |
327 | flist->malloced += 1000; | |
328 | else | |
329 | flist->malloced *= 2; | |
2e7d1994 | 330 | |
58cadc86 WD |
331 | if (flist->files) { |
332 | new_ptr = realloc_array(flist->files, | |
333 | struct file_struct *, | |
334 | flist->malloced); | |
335 | } else { | |
336 | new_ptr = new_array(struct file_struct *, | |
337 | flist->malloced); | |
338 | } | |
2e7d1994 | 339 | |
1d5a1da9 | 340 | if (verbose >= 2) { |
1bbd10fe | 341 | rprintf(FINFO, "expand file_list to %.0f bytes, did%s move\n", |
58cadc86 WD |
342 | (double)sizeof(flist->files[0]) |
343 | * flist->malloced, | |
2e7d1994 MP |
344 | (new_ptr == flist->files) ? " not" : ""); |
345 | } | |
dbda5fbf | 346 | |
2e7d1994 MP |
347 | flist->files = (struct file_struct **) new_ptr; |
348 | ||
d9d6bc52 MP |
349 | if (!flist->files) |
350 | out_of_memory("flist_expand"); | |
351 | } | |
352 | } | |
353 | ||
7b1a0c19 WD |
354 | /* These vars are used by both send_file_entry() and receive_file_entry() |
355 | * (but just one at a time). They have been placed outside these functions | |
356 | * so that we can reset the values when the batch-processing wants to make | |
357 | * extra use of these functions (which needs to start from a known state). */ | |
358 | static time_t modtime; | |
359 | static mode_t mode; | |
360 | static DEV64_T rdev; /* just high bytes in p28 onward */ | |
361 | static uid_t uid; | |
362 | static gid_t gid; | |
363 | static DEV64_T dev; | |
364 | static char lastname[MAXPATHLEN]; | |
365 | ||
366 | void reset_file_entry_vars(void) | |
367 | { | |
368 | modtime = 0; | |
369 | mode = 0; | |
370 | rdev = 0; | |
371 | uid = 0; | |
372 | gid = 0; | |
373 | dev = 0; | |
374 | *lastname = '\0'; | |
375 | } | |
d9d6bc52 | 376 | |
7b1a0c19 | 377 | void send_file_entry(struct file_struct *file, int f, unsigned short base_flags) |
c627d613 | 378 | { |
1ef00d20 | 379 | unsigned short flags; |
b7736c79 | 380 | char *fname, fbuf[MAXPATHLEN]; |
ebed4c3a | 381 | int l1, l2; |
72914a60 | 382 | |
ebed4c3a MP |
383 | if (f == -1) |
384 | return; | |
72914a60 AT |
385 | |
386 | if (!file) { | |
ebed4c3a | 387 | write_byte(f, 0); |
72914a60 AT |
388 | return; |
389 | } | |
390 | ||
eca2adb4 MP |
391 | io_write_phase = "send_file_entry"; |
392 | ||
b7736c79 | 393 | fname = f_name_to(file, fbuf, sizeof fbuf); |
72914a60 AT |
394 | |
395 | flags = base_flags; | |
396 | ||
30f337c9 | 397 | if (file->mode == mode) |
ebed4c3a | 398 | flags |= SAME_MODE; |
1ef00d20 | 399 | else |
30f337c9 | 400 | mode = file->mode; |
75bc8600 WD |
401 | if (preserve_devices) { |
402 | if (protocol_version < 28) { | |
dd7fb70f | 403 | if (IS_DEVICE(mode) && file->rdev == rdev) { |
30f337c9 WD |
404 | /* Set both flags so that the test when |
405 | * writing the data is simpler. */ | |
406 | flags |= SAME_RDEV_pre28|SAME_HIGH_RDEV; | |
407 | } | |
75bc8600 | 408 | else |
dd7fb70f | 409 | rdev = file->rdev; |
75bc8600 | 410 | } |
30f337c9 | 411 | else if (IS_DEVICE(mode)) { |
dd7fb70f | 412 | if ((file->rdev & ~0xFF) == rdev) |
75bc8600 | 413 | flags |= SAME_HIGH_RDEV; |
30f337c9 | 414 | else |
dd7fb70f | 415 | rdev = file->rdev & ~0xFF; |
75bc8600 WD |
416 | } |
417 | } | |
30f337c9 | 418 | if (file->uid == uid) |
ebed4c3a | 419 | flags |= SAME_UID; |
1ef00d20 | 420 | else |
30f337c9 WD |
421 | uid = file->uid; |
422 | if (file->gid == gid) | |
ebed4c3a | 423 | flags |= SAME_GID; |
1ef00d20 | 424 | else |
30f337c9 WD |
425 | gid = file->gid; |
426 | if (file->modtime == modtime) | |
ebed4c3a | 427 | flags |= SAME_TIME; |
1ef00d20 | 428 | else |
30f337c9 | 429 | modtime = file->modtime; |
c4b4df4f | 430 | if (file->flags & HAS_INODE_DATA) { |
30f337c9 | 431 | if (file->dev == dev) { |
c4b4df4f WD |
432 | if (protocol_version >= 28) |
433 | flags |= SAME_DEV; | |
434 | } | |
435 | else | |
30f337c9 | 436 | dev = file->dev; |
c4b4df4f WD |
437 | flags |= HAS_INODE_DATA; |
438 | } | |
ebed4c3a MP |
439 | |
440 | for (l1 = 0; | |
441 | lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255); | |
dbda5fbf | 442 | l1++) {} |
72914a60 AT |
443 | l2 = strlen(fname) - l1; |
444 | ||
ebed4c3a MP |
445 | if (l1 > 0) |
446 | flags |= SAME_NAME; | |
447 | if (l2 > 255) | |
448 | flags |= LONG_NAME; | |
72914a60 | 449 | |
75bc8600 WD |
450 | /* We must make sure we don't send a zero flags byte or |
451 | * the other end will terminate the flist transfer. */ | |
30f337c9 | 452 | if (flags == 0 && !S_ISDIR(mode)) |
75bc8600 WD |
453 | flags |= FLAG_DELETE; /* NOTE: no meaning for non-dir */ |
454 | if (protocol_version >= 28) { | |
455 | if ((flags & 0xFF00) || flags == 0) { | |
456 | flags |= EXTENDED_FLAGS; | |
457 | write_byte(f, flags); | |
458 | write_byte(f, flags >> 8); | |
459 | } else | |
460 | write_byte(f, flags); | |
461 | } else { | |
462 | if (flags == 0) | |
463 | flags |= LONG_NAME; | |
464 | write_byte(f, flags); | |
465 | } | |
72914a60 | 466 | if (flags & SAME_NAME) |
ebed4c3a | 467 | write_byte(f, l1); |
72914a60 | 468 | if (flags & LONG_NAME) |
ebed4c3a | 469 | write_int(f, l2); |
72914a60 | 470 | else |
ebed4c3a MP |
471 | write_byte(f, l2); |
472 | write_buf(f, fname + l1, l2); | |
72914a60 | 473 | |
ebed4c3a | 474 | write_longint(f, file->length); |
72914a60 | 475 | if (!(flags & SAME_TIME)) |
30f337c9 | 476 | write_int(f, modtime); |
72914a60 | 477 | if (!(flags & SAME_MODE)) |
30f337c9 | 478 | write_int(f, to_wire_mode(mode)); |
72914a60 | 479 | if (preserve_uid && !(flags & SAME_UID)) { |
30f337c9 WD |
480 | add_uid(uid); |
481 | write_int(f, uid); | |
72914a60 AT |
482 | } |
483 | if (preserve_gid && !(flags & SAME_GID)) { | |
30f337c9 WD |
484 | add_gid(gid); |
485 | write_int(f, gid); | |
72914a60 | 486 | } |
30f337c9 | 487 | if (preserve_devices && IS_DEVICE(mode)) { |
0c429465 WD |
488 | /* If SAME_HIGH_RDEV is off, SAME_RDEV_pre28 is also off. |
489 | * Also, avoid using "rdev" because it may be incomplete. */ | |
75bc8600 | 490 | if (!(flags & SAME_HIGH_RDEV)) |
30f337c9 | 491 | write_int(f, file->rdev); |
75bc8600 | 492 | else if (protocol_version >= 28) |
30f337c9 | 493 | write_byte(f, file->rdev); |
75bc8600 | 494 | } |
c627d613 AT |
495 | |
496 | #if SUPPORT_LINKS | |
30f337c9 | 497 | if (preserve_links && S_ISLNK(mode)) { |
ebed4c3a MP |
498 | write_int(f, strlen(file->link)); |
499 | write_buf(f, file->link, strlen(file->link)); | |
72914a60 | 500 | } |
c627d613 AT |
501 | #endif |
502 | ||
dc5ddbcc | 503 | #if SUPPORT_HARD_LINKS |
c4b4df4f | 504 | if (flags & HAS_INODE_DATA) { |
d04e9c51 | 505 | if (protocol_version < 26) { |
736a6a29 | 506 | /* 32-bit dev_t and ino_t */ |
30f337c9 | 507 | write_int(f, dev); |
c4b4df4f | 508 | write_int(f, file->inode); |
736a6a29 MP |
509 | } else { |
510 | /* 64-bit dev_t and ino_t */ | |
c4b4df4f | 511 | if (!(flags & SAME_DEV)) |
30f337c9 | 512 | write_longint(f, dev); |
6abd193f | 513 | write_longint(f, file->inode); |
736a6a29 | 514 | } |
72914a60 | 515 | } |
dc5ddbcc AT |
516 | #endif |
517 | ||
fea4db62 WD |
518 | if (always_checksum && (protocol_version < 28 || S_ISREG(mode))) { |
519 | char *sum = file->sum? file->sum : empty_sum; | |
520 | write_buf(f, sum, protocol_version < 21? 2 | |
521 | : MD4_SUM_LENGTH); | |
ebed4c3a | 522 | } |
182dca5c | 523 | |
ebed4c3a MP |
524 | strlcpy(lastname, fname, MAXPATHLEN); |
525 | lastname[MAXPATHLEN - 1] = 0; | |
eca2adb4 MP |
526 | |
527 | io_write_phase = "unknown"; | |
182dca5c AT |
528 | } |
529 | ||
530 | ||
531 | ||
7b1a0c19 | 532 | void receive_file_entry(struct file_struct **fptr, unsigned short flags, int f) |
182dca5c | 533 | { |
72914a60 | 534 | char thisname[MAXPATHLEN]; |
ebed4c3a | 535 | unsigned int l1 = 0, l2 = 0; |
72914a60 AT |
536 | char *p; |
537 | struct file_struct *file; | |
538 | ||
539 | if (flags & SAME_NAME) | |
540 | l1 = read_byte(f); | |
ebed4c3a | 541 | |
72914a60 AT |
542 | if (flags & LONG_NAME) |
543 | l2 = read_int(f); | |
544 | else | |
545 | l2 = read_byte(f); | |
546 | ||
58cadc86 | 547 | file = new(struct file_struct); |
ebed4c3a MP |
548 | if (!file) |
549 | out_of_memory("receive_file_entry"); | |
550 | memset((char *) file, 0, sizeof(*file)); | |
72914a60 AT |
551 | (*fptr) = file; |
552 | ||
ebed4c3a MP |
553 | if (l2 >= MAXPATHLEN - l1) { |
554 | rprintf(FERROR, | |
555 | "overflow: flags=0x%x l1=%d l2=%d lastname=%s\n", | |
d0fd26aa AT |
556 | flags, l1, l2, lastname); |
557 | overflow("receive_file_entry"); | |
558 | } | |
72914a60 | 559 | |
ebed4c3a MP |
560 | strlcpy(thisname, lastname, l1 + 1); |
561 | read_sbuf(f, &thisname[l1], l2); | |
562 | thisname[l1 + l2] = 0; | |
72914a60 | 563 | |
ebed4c3a MP |
564 | strlcpy(lastname, thisname, MAXPATHLEN); |
565 | lastname[MAXPATHLEN - 1] = 0; | |
72914a60 AT |
566 | |
567 | clean_fname(thisname); | |
568 | ||
cb13abfe DD |
569 | if (sanitize_paths) { |
570 | sanitize_path(thisname, NULL); | |
571 | } | |
572 | ||
ebed4c3a | 573 | if ((p = strrchr(thisname, '/'))) { |
72914a60 AT |
574 | static char *lastdir; |
575 | *p = 0; | |
b7736c79 | 576 | if (lastdir && strcmp(thisname, lastdir) == 0) |
72914a60 | 577 | file->dirname = lastdir; |
b7736c79 | 578 | else { |
72914a60 AT |
579 | file->dirname = strdup(thisname); |
580 | lastdir = file->dirname; | |
581 | } | |
ebed4c3a | 582 | file->basename = strdup(p + 1); |
72914a60 AT |
583 | } else { |
584 | file->dirname = NULL; | |
585 | file->basename = strdup(thisname); | |
586 | } | |
587 | ||
ebed4c3a MP |
588 | if (!file->basename) |
589 | out_of_memory("receive_file_entry 1"); | |
72914a60 | 590 | |
72914a60 AT |
591 | file->flags = flags; |
592 | file->length = read_longint(f); | |
1ef00d20 | 593 | if (!(flags & SAME_TIME)) |
30f337c9 WD |
594 | modtime = (time_t)read_int(f); |
595 | file->modtime = modtime; | |
1ef00d20 | 596 | if (!(flags & SAME_MODE)) |
30f337c9 WD |
597 | mode = from_wire_mode(read_int(f)); |
598 | file->mode = mode; | |
1ef00d20 WD |
599 | |
600 | if (preserve_uid) { | |
601 | if (!(flags & SAME_UID)) | |
30f337c9 WD |
602 | uid = (uid_t)read_int(f); |
603 | file->uid = uid; | |
1ef00d20 WD |
604 | } |
605 | if (preserve_gid) { | |
606 | if (!(flags & SAME_GID)) | |
30f337c9 WD |
607 | gid = (gid_t)read_int(f); |
608 | file->gid = gid; | |
1ef00d20 WD |
609 | } |
610 | if (preserve_devices) { | |
75bc8600 | 611 | if (protocol_version < 28) { |
30f337c9 WD |
612 | if (IS_DEVICE(mode)) { |
613 | if (!(flags & SAME_RDEV_pre28)) | |
614 | rdev = (DEV64_T)read_int(f); | |
615 | file->rdev = rdev; | |
75bc8600 | 616 | } else |
30f337c9 WD |
617 | rdev = 0; |
618 | } else if (IS_DEVICE(mode)) { | |
619 | if (!(flags & SAME_HIGH_RDEV)) { | |
620 | file->rdev = (DEV64_T)read_int(f); | |
621 | rdev = file->rdev & ~0xFF; | |
622 | } else | |
dd7fb70f | 623 | file->rdev = rdev | (DEV64_T)read_byte(f); |
1ef00d20 | 624 | } |
b7736c79 | 625 | } |
72914a60 | 626 | |
30f337c9 | 627 | if (preserve_links && S_ISLNK(mode)) { |
72914a60 | 628 | int l = read_int(f); |
9dd891bb | 629 | if (l < 0) { |
ebed4c3a | 630 | rprintf(FERROR, "overflow: l=%d\n", l); |
9dd891bb MP |
631 | overflow("receive_file_entry"); |
632 | } | |
58cadc86 | 633 | file->link = new_array(char, l + 1); |
ebed4c3a MP |
634 | if (!file->link) |
635 | out_of_memory("receive_file_entry 2"); | |
636 | read_sbuf(f, file->link, l); | |
b7736c79 | 637 | if (sanitize_paths) |
cb13abfe | 638 | sanitize_path(file->link, file->dirname); |
72914a60 | 639 | } |
dc5ddbcc | 640 | #if SUPPORT_HARD_LINKS |
c4b4df4f | 641 | if (preserve_hard_links && protocol_version < 28 |
30f337c9 | 642 | && S_ISREG(mode)) |
c4b4df4f WD |
643 | file->flags |= HAS_INODE_DATA; |
644 | if (file->flags & HAS_INODE_DATA) { | |
d04e9c51 | 645 | if (protocol_version < 26) { |
30f337c9 | 646 | dev = read_int(f); |
736a6a29 MP |
647 | file->inode = read_int(f); |
648 | } else { | |
c4b4df4f | 649 | if (!(flags & SAME_DEV)) |
30f337c9 | 650 | dev = read_longint(f); |
736a6a29 MP |
651 | file->inode = read_longint(f); |
652 | } | |
30f337c9 | 653 | file->dev = dev; |
72914a60 | 654 | } |
dc5ddbcc | 655 | #endif |
ebed4c3a | 656 | |
72914a60 | 657 | if (always_checksum) { |
7c4f063b | 658 | char *sum; |
fea4db62 WD |
659 | if (S_ISREG(mode)) { |
660 | sum = file->sum = new_array(char, MD4_SUM_LENGTH); | |
661 | if (!sum) | |
662 | out_of_memory("md4 sum"); | |
663 | } else if (protocol_version < 28) { | |
664 | /* Prior to 28, we get a useless set of nulls. */ | |
7c4f063b | 665 | sum = empty_sum; |
fea4db62 WD |
666 | } else |
667 | sum = NULL; | |
668 | if (sum) { | |
669 | read_buf(f, sum, protocol_version < 21? 2 | |
670 | : MD4_SUM_LENGTH); | |
671 | } | |
72914a60 | 672 | } |
ebed4c3a | 673 | |
72914a60 AT |
674 | if (!preserve_perms) { |
675 | extern int orig_umask; | |
676 | /* set an appropriate set of permissions based on original | |
fea4db62 | 677 | * permissions and umask. This emulates what GNU cp does */ |
72914a60 AT |
678 | file->mode &= ~orig_umask; |
679 | } | |
c627d613 AT |
680 | } |
681 | ||
682 | ||
0c5f37d9 AT |
683 | /* determine if a file in a different filesstem should be skipped |
684 | when one_file_system is set. We bascally only want to include | |
685 | the mount points - but they can be hard to find! */ | |
ebed4c3a | 686 | static int skip_filesystem(char *fname, STRUCT_STAT * st) |
0c5f37d9 | 687 | { |
bcacc18b | 688 | STRUCT_STAT st2; |
0c5f37d9 AT |
689 | char *p = strrchr(fname, '/'); |
690 | ||
691 | /* skip all but directories */ | |
ebed4c3a MP |
692 | if (!S_ISDIR(st->st_mode)) |
693 | return 1; | |
0c5f37d9 AT |
694 | |
695 | /* if its not a subdirectory then allow */ | |
ebed4c3a MP |
696 | if (!p) |
697 | return 0; | |
0c5f37d9 AT |
698 | |
699 | *p = 0; | |
700 | if (link_stat(fname, &st2)) { | |
701 | *p = '/'; | |
702 | return 0; | |
703 | } | |
704 | *p = '/'; | |
ebed4c3a | 705 | |
0c5f37d9 AT |
706 | return (st2.st_dev != filesystem_dev); |
707 | } | |
4fe159a8 | 708 | |
3d382777 | 709 | #define STRDUP(ap, p) (ap ? string_area_strdup(ap, p) : strdup(p)) |
87a819ed MP |
710 | /* IRIX cc cares that the operands to the ternary have the same type. */ |
711 | #define MALLOC(ap, i) (ap ? (void*) string_area_malloc(ap, i) : malloc(i)) | |
3d382777 | 712 | |
db719fb0 MP |
713 | /** |
714 | * Create a file_struct for a named file by reading its stat() | |
715 | * information and performing extensive checks against global | |
716 | * options. | |
717 | * | |
718 | * @return the new file, or NULL if there was an error or this file | |
719 | * should be excluded. | |
720 | * | |
721 | * @todo There is a small optimization opportunity here to avoid | |
722 | * stat()ing the file in some circumstances, which has a certain cost. | |
723 | * We are called immediately after doing readdir(), and so we may | |
724 | * already know the d_type of the file. We could for example avoid | |
725 | * statting directories if we're not recursing, but this is not a very | |
726 | * important case. Some systems may not have d_type. | |
727 | **/ | |
429f9828 WD |
728 | struct file_struct *make_file(char *fname, struct string_area **ap, |
729 | int exclude_level) | |
c627d613 | 730 | { |
3ec4dd97 | 731 | struct file_struct *file; |
bcacc18b | 732 | STRUCT_STAT st; |
3ec4dd97 AT |
733 | char sum[SUM_LENGTH]; |
734 | char *p; | |
735 | char cleaned_name[MAXPATHLEN]; | |
b5313607 | 736 | char linkbuf[MAXPATHLEN]; |
ac1a0994 | 737 | extern int module_id; |
3ec4dd97 | 738 | |
37f9805d | 739 | strlcpy(cleaned_name, fname, MAXPATHLEN); |
ebed4c3a | 740 | cleaned_name[MAXPATHLEN - 1] = 0; |
3ec4dd97 | 741 | clean_fname(cleaned_name); |
b7736c79 | 742 | if (sanitize_paths) |
cb13abfe | 743 | sanitize_path(cleaned_name, NULL); |
3ec4dd97 AT |
744 | fname = cleaned_name; |
745 | ||
ebed4c3a | 746 | memset(sum, 0, SUM_LENGTH); |
3ec4dd97 | 747 | |
ebed4c3a | 748 | if (readlink_stat(fname, &st, linkbuf) != 0) { |
76e26e10 | 749 | int save_errno = errno; |
429f9828 | 750 | if (errno == ENOENT && exclude_level != NO_EXCLUDES) { |
dbda5fbf | 751 | /* either symlink pointing nowhere or file that |
1b85e3f1 DD |
752 | * was removed during rsync run; see if excluded |
753 | * before reporting an error */ | |
429f9828 | 754 | if (check_exclude_file(fname, 0, exclude_level)) { |
76e26e10 DD |
755 | /* file is excluded anyway, ignore silently */ |
756 | return NULL; | |
757 | } | |
758 | } | |
06c28400 | 759 | io_error |= IOERR_GENERAL; |
ea42541f WD |
760 | rprintf(FERROR, "readlink %s failed: %s\n", |
761 | full_fname(fname), strerror(save_errno)); | |
3ec4dd97 AT |
762 | return NULL; |
763 | } | |
c627d613 | 764 | |
429f9828 WD |
765 | /* backup.c calls us with exclude_level set to NO_EXCLUDES. */ |
766 | if (exclude_level == NO_EXCLUDES) | |
ebed4c3a | 767 | goto skip_excludes; |
ac1a0994 | 768 | |
24d0fcde | 769 | if (S_ISDIR(st.st_mode) && !recurse && !files_from) { |
ebed4c3a | 770 | rprintf(FINFO, "skipping directory %s\n", fname); |
3ec4dd97 AT |
771 | return NULL; |
772 | } | |
ebed4c3a | 773 | |
0c5f37d9 AT |
774 | if (one_file_system && st.st_dev != filesystem_dev) { |
775 | if (skip_filesystem(fname, &st)) | |
776 | return NULL; | |
777 | } | |
ebed4c3a | 778 | |
429f9828 | 779 | if (check_exclude_file(fname, S_ISDIR(st.st_mode) != 0, exclude_level)) |
76e26e10 DD |
780 | return NULL; |
781 | ||
ebed4c3a | 782 | if (lp_ignore_nonreadable(module_id) && access(fname, R_OK) != 0) |
ac1a0994 AT |
783 | return NULL; |
784 | ||
ebed4c3a | 785 | skip_excludes: |
ac1a0994 | 786 | |
3ec4dd97 | 787 | if (verbose > 2) |
429f9828 | 788 | rprintf(FINFO, "make_file(%s,*,%d)\n", fname, exclude_level); |
ebed4c3a | 789 | |
58cadc86 | 790 | file = new(struct file_struct); |
ebed4c3a MP |
791 | if (!file) |
792 | out_of_memory("make_file"); | |
793 | memset((char *) file, 0, sizeof(*file)); | |
3ec4dd97 | 794 | |
ebed4c3a | 795 | if ((p = strrchr(fname, '/'))) { |
3ec4dd97 AT |
796 | static char *lastdir; |
797 | *p = 0; | |
b7736c79 | 798 | if (lastdir && strcmp(fname, lastdir) == 0) |
3ec4dd97 | 799 | file->dirname = lastdir; |
b7736c79 | 800 | else { |
a20aa42a | 801 | file->dirname = strdup(fname); |
3ec4dd97 AT |
802 | lastdir = file->dirname; |
803 | } | |
ebed4c3a | 804 | file->basename = STRDUP(ap, p + 1); |
3ec4dd97 AT |
805 | *p = '/'; |
806 | } else { | |
807 | file->dirname = NULL; | |
3d382777 | 808 | file->basename = STRDUP(ap, fname); |
3ec4dd97 | 809 | } |
c627d613 | 810 | |
3ec4dd97 AT |
811 | file->modtime = st.st_mtime; |
812 | file->length = st.st_size; | |
813 | file->mode = st.st_mode; | |
814 | file->uid = st.st_uid; | |
815 | file->gid = st.st_gid; | |
c4b4df4f WD |
816 | if (preserve_hard_links) { |
817 | if (protocol_version < 28? S_ISREG(st.st_mode) | |
818 | : !S_ISDIR(st.st_mode) && st.st_nlink > 1) { | |
819 | file->dev = st.st_dev; | |
820 | file->inode = st.st_ino; | |
821 | file->flags |= HAS_INODE_DATA; | |
822 | } | |
823 | } | |
5f78da20 | 824 | #ifdef HAVE_STRUCT_STAT_ST_RDEV |
3ec4dd97 | 825 | file->rdev = st.st_rdev; |
c627d613 AT |
826 | #endif |
827 | ||
828 | #if SUPPORT_LINKS | |
b7736c79 | 829 | if (S_ISLNK(st.st_mode)) |
3d382777 | 830 | file->link = STRDUP(ap, linkbuf); |
c627d613 AT |
831 | #endif |
832 | ||
fea4db62 WD |
833 | if (always_checksum && S_ISREG(st.st_mode)) { |
834 | file->sum = (char*)MALLOC(ap, MD4_SUM_LENGTH); | |
ebed4c3a MP |
835 | if (!file->sum) |
836 | out_of_memory("md4 sum"); | |
fea4db62 | 837 | file_checksum(fname, file->sum, st.st_size); |
ebed4c3a | 838 | } |
c627d613 | 839 | |
3ec4dd97 AT |
840 | if (flist_dir) { |
841 | static char *lastdir; | |
b7736c79 | 842 | if (lastdir && strcmp(lastdir, flist_dir) == 0) |
3ec4dd97 | 843 | file->basedir = lastdir; |
b7736c79 | 844 | else { |
a20aa42a | 845 | file->basedir = strdup(flist_dir); |
3ec4dd97 AT |
846 | lastdir = file->basedir; |
847 | } | |
b7736c79 | 848 | } else |
3ec4dd97 | 849 | file->basedir = NULL; |
c627d613 | 850 | |
3ec4dd97 | 851 | if (!S_ISDIR(st.st_mode)) |
a800434a | 852 | stats.total_size += st.st_size; |
c627d613 | 853 | |
3ec4dd97 | 854 | return file; |
c627d613 AT |
855 | } |
856 | ||
857 | ||
ebed4c3a | 858 | void send_file_name(int f, struct file_list *flist, char *fname, |
1ef00d20 | 859 | int recursive, unsigned short base_flags) |
c627d613 | 860 | { |
ebed4c3a | 861 | struct file_struct *file; |
b7736c79 | 862 | char fbuf[MAXPATHLEN]; |
429f9828 | 863 | extern int delete_excluded; |
ebed4c3a | 864 | |
429f9828 WD |
865 | /* f is set to -1 when calculating deletion file list */ |
866 | file = make_file(fname, &flist->string_area, | |
867 | f == -1 && delete_excluded? SERVER_EXCLUDES | |
868 | : ALL_EXCLUDES); | |
ebed4c3a MP |
869 | |
870 | if (!file) | |
871 | return; | |
872 | ||
db719fb0 | 873 | maybe_emit_filelist_progress(flist); |
ebed4c3a | 874 | |
d9d6bc52 | 875 | flist_expand(flist); |
ebed4c3a | 876 | |
64c3523a | 877 | if (write_batch) |
1ef00d20 | 878 | file->flags |= FLAG_DELETE; |
ebed4c3a | 879 | |
c120ff37 | 880 | if (file->basename[0]) { |
ebed4c3a MP |
881 | flist->files[flist->count++] = file; |
882 | send_file_entry(file, f, base_flags); | |
883 | } | |
884 | ||
885 | if (S_ISDIR(file->mode) && recursive) { | |
886 | struct exclude_struct **last_exclude_list = | |
887 | local_exclude_list; | |
b7736c79 | 888 | send_directory(f, flist, f_name_to(file, fbuf, sizeof fbuf)); |
ebed4c3a MP |
889 | local_exclude_list = last_exclude_list; |
890 | return; | |
891 | } | |
c627d613 AT |
892 | } |
893 | ||
894 | ||
ebed4c3a | 895 | static void send_directory(int f, struct file_list *flist, char *dir) |
c627d613 | 896 | { |
3ec4dd97 AT |
897 | DIR *d; |
898 | struct dirent *di; | |
899 | char fname[MAXPATHLEN]; | |
900 | int l; | |
901 | char *p; | |
902 | ||
903 | d = opendir(dir); | |
904 | if (!d) { | |
06c28400 | 905 | io_error |= IOERR_GENERAL; |
ea42541f WD |
906 | rprintf(FERROR, "opendir %s failed: %s\n", |
907 | full_fname(dir), strerror(errno)); | |
3ec4dd97 AT |
908 | return; |
909 | } | |
c627d613 | 910 | |
ebed4c3a | 911 | strlcpy(fname, dir, MAXPATHLEN); |
3ec4dd97 | 912 | l = strlen(fname); |
ebed4c3a MP |
913 | if (fname[l - 1] != '/') { |
914 | if (l == MAXPATHLEN - 1) { | |
06c28400 | 915 | io_error |= IOERR_GENERAL; |
ea42541f WD |
916 | rprintf(FERROR, "skipping long-named directory: %s\n", |
917 | full_fname(fname)); | |
3ec4dd97 AT |
918 | closedir(d); |
919 | return; | |
920 | } | |
ebed4c3a | 921 | strlcat(fname, "/", MAXPATHLEN); |
3ec4dd97 AT |
922 | l++; |
923 | } | |
924 | p = fname + strlen(fname); | |
c627d613 | 925 | |
3d913675 AT |
926 | local_exclude_list = NULL; |
927 | ||
3ec4dd97 | 928 | if (cvs_exclude) { |
ebed4c3a MP |
929 | if (strlen(fname) + strlen(".cvsignore") <= MAXPATHLEN - 1) { |
930 | strcpy(p, ".cvsignore"); | |
429f9828 | 931 | add_exclude_file(&exclude_list,fname,MISSING_OK,ADD_EXCLUDE); |
3ec4dd97 | 932 | } else { |
06c28400 | 933 | io_error |= IOERR_GENERAL; |
ebed4c3a MP |
934 | rprintf(FINFO, |
935 | "cannot cvs-exclude in long-named directory %s\n", | |
ea42541f | 936 | full_fname(fname)); |
3ec4dd97 | 937 | } |
ebed4c3a MP |
938 | } |
939 | ||
6a7cc46c | 940 | for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) { |
d6e6ecbd | 941 | char *dname = d_name(di); |
6a7cc46c S |
942 | if (dname[0] == '.' && (dname[1] == '\0' |
943 | || (dname[1] == '.' && dname[2] == '\0'))) | |
3ec4dd97 | 944 | continue; |
ebed4c3a MP |
945 | strlcpy(p, dname, MAXPATHLEN - l); |
946 | send_file_name(f, flist, fname, recurse, 0); | |
3ec4dd97 | 947 | } |
6a7cc46c | 948 | if (errno) { |
06c28400 | 949 | io_error |= IOERR_GENERAL; |
6a7cc46c S |
950 | rprintf(FERROR, "readdir(%s): (%d) %s\n", |
951 | dir, errno, strerror(errno)); | |
952 | } | |
c627d613 | 953 | |
429f9828 WD |
954 | if (local_exclude_list) |
955 | free_exclude_list(&local_exclude_list); /* Zeros pointer too */ | |
3d913675 | 956 | |
3ec4dd97 | 957 | closedir(d); |
c627d613 AT |
958 | } |
959 | ||
960 | ||
c4fea82f | 961 | /** |
429f9828 WD |
962 | * The delete_files() function in receiver.c sets f to -1 so that we just |
963 | * construct the file list in memory without sending it over the wire. It | |
964 | * also has the side-effect of ignoring user-excludes if delete_excluded | |
965 | * is set (so that the delete list includes user-excluded files). | |
c4fea82f | 966 | **/ |
ebed4c3a | 967 | struct file_list *send_file_list(int f, int argc, char *argv[]) |
c627d613 | 968 | { |
24d0fcde | 969 | int l; |
bcacc18b | 970 | STRUCT_STAT st; |
ebed4c3a MP |
971 | char *p, *dir, *olddir; |
972 | char lastpath[MAXPATHLEN] = ""; | |
649d65ed | 973 | struct file_list *flist; |
a800434a | 974 | int64 start_write; |
24d0fcde | 975 | int use_ff_fd = 0; |
649d65ed | 976 | |
1bbd10fe DD |
977 | if (show_filelist_p() && f != -1) |
978 | start_filelist_progress("building file list"); | |
c627d613 | 979 | |
a800434a AT |
980 | start_write = stats.total_written; |
981 | ||
3d382777 | 982 | flist = flist_new(); |
c627d613 | 983 | |
d6dead6b | 984 | if (f != -1) { |
76c21947 | 985 | io_start_buffering_out(f); |
24d0fcde WD |
986 | if (filesfrom_fd >= 0) { |
987 | if (argv[0] && !push_dir(argv[0], 0)) { | |
ea42541f WD |
988 | rprintf(FERROR, "push_dir %s failed: %s\n", |
989 | full_fname(argv[0]), strerror(errno)); | |
24d0fcde WD |
990 | exit_cleanup(RERR_FILESELECT); |
991 | } | |
992 | use_ff_fd = 1; | |
993 | } | |
d6dead6b AT |
994 | } |
995 | ||
24d0fcde | 996 | while (1) { |
fc638474 DD |
997 | char fname2[MAXPATHLEN]; |
998 | char *fname = fname2; | |
c627d613 | 999 | |
24d0fcde WD |
1000 | if (use_ff_fd) { |
1001 | if (read_filesfrom_line(filesfrom_fd, fname) == 0) | |
1002 | break; | |
1003 | sanitize_path(fname, NULL); | |
1004 | } else { | |
1005 | if (argc-- == 0) | |
1006 | break; | |
1007 | strlcpy(fname, *argv++, MAXPATHLEN); | |
1008 | if (sanitize_paths) | |
1009 | sanitize_path(fname, NULL); | |
1010 | } | |
c627d613 | 1011 | |
649d65ed | 1012 | l = strlen(fname); |
6931c138 WD |
1013 | if (fname[l - 1] == '/') { |
1014 | if (l == 2 && fname[0] == '.') { | |
1015 | /* Turn "./" into just "." rather than "./." */ | |
1016 | fname[1] = '\0'; | |
53f821f1 | 1017 | } else { |
ebed4c3a | 1018 | strlcat(fname, ".", MAXPATHLEN); |
53f821f1 | 1019 | } |
649d65ed | 1020 | } |
c627d613 | 1021 | |
ebed4c3a | 1022 | if (link_stat(fname, &st) != 0) { |
f76933b1 | 1023 | if (f != -1) { |
06c28400 | 1024 | io_error |= IOERR_GENERAL; |
ea42541f WD |
1025 | rprintf(FERROR, "link_stat %s failed: %s\n", |
1026 | full_fname(fname), strerror(errno)); | |
f76933b1 | 1027 | } |
649d65ed AT |
1028 | continue; |
1029 | } | |
c627d613 | 1030 | |
24d0fcde | 1031 | if (S_ISDIR(st.st_mode) && !recurse && !files_from) { |
ebed4c3a | 1032 | rprintf(FINFO, "skipping directory %s\n", fname); |
649d65ed AT |
1033 | continue; |
1034 | } | |
c627d613 | 1035 | |
649d65ed | 1036 | dir = NULL; |
2bca43f6 | 1037 | olddir = NULL; |
649d65ed AT |
1038 | |
1039 | if (!relative_paths) { | |
ebed4c3a | 1040 | p = strrchr(fname, '/'); |
649d65ed AT |
1041 | if (p) { |
1042 | *p = 0; | |
ebed4c3a | 1043 | if (p == fname) |
649d65ed AT |
1044 | dir = "/"; |
1045 | else | |
ebed4c3a MP |
1046 | dir = fname; |
1047 | fname = p + 1; | |
649d65ed | 1048 | } |
24d0fcde | 1049 | } else if (f != -1 && implied_dirs && (p=strrchr(fname,'/')) && p != fname) { |
649d65ed AT |
1050 | /* this ensures we send the intermediate directories, |
1051 | thus getting their permissions right */ | |
2154309a | 1052 | char *lp = lastpath, *fn = fname, *slash = fname; |
649d65ed | 1053 | *p = 0; |
2154309a WD |
1054 | /* Skip any initial directories in our path that we |
1055 | * have in common with lastpath. */ | |
1056 | while (*fn && *lp == *fn) { | |
1057 | if (*fn == '/') | |
1058 | slash = fn; | |
1059 | lp++, fn++; | |
1060 | } | |
1061 | *p = '/'; | |
1062 | if (fn != p || (*lp && *lp != '/')) { | |
1063 | int copy_links_saved = copy_links; | |
1064 | int recurse_saved = recurse; | |
1065 | copy_links = copy_unsafe_links; | |
1066 | /* set recurse to 1 to prevent make_file | |
1067 | * from ignoring directory, but still | |
1068 | * turn off the recursive parameter to | |
1069 | * send_file_name */ | |
1070 | recurse = 1; | |
1071 | while ((slash = strchr(slash+1, '/')) != 0) { | |
1072 | *slash = 0; | |
1073 | send_file_name(f, flist, fname, 0, 0); | |
1074 | *slash = '/'; | |
649d65ed | 1075 | } |
2154309a WD |
1076 | copy_links = copy_links_saved; |
1077 | recurse = recurse_saved; | |
1078 | *p = 0; | |
1079 | strlcpy(lastpath, fname, sizeof lastpath); | |
649d65ed AT |
1080 | *p = '/'; |
1081 | } | |
1082 | } | |
ebed4c3a | 1083 | |
649d65ed AT |
1084 | if (!*fname) |
1085 | fname = "."; | |
ebed4c3a | 1086 | |
649d65ed | 1087 | if (dir && *dir) { |
2bca43f6 | 1088 | olddir = push_dir(dir, 1); |
5243c216 AT |
1089 | |
1090 | if (!olddir) { | |
06c28400 | 1091 | io_error |= IOERR_GENERAL; |
ea42541f WD |
1092 | rprintf(FERROR, "push_dir %s failed: %s\n", |
1093 | full_fname(dir), strerror(errno)); | |
649d65ed AT |
1094 | continue; |
1095 | } | |
5243c216 | 1096 | |
649d65ed | 1097 | flist_dir = dir; |
2bca43f6 | 1098 | } |
ebed4c3a | 1099 | |
2bca43f6 DD |
1100 | if (one_file_system) |
1101 | set_filesystem(fname); | |
1102 | ||
ebed4c3a | 1103 | send_file_name(f, flist, fname, recurse, FLAG_DELETE); |
2bca43f6 DD |
1104 | |
1105 | if (olddir != NULL) { | |
649d65ed | 1106 | flist_dir = NULL; |
5243c216 | 1107 | if (pop_dir(olddir) != 0) { |
ea42541f WD |
1108 | rprintf(FERROR, "pop_dir %s failed: %s\n", |
1109 | full_fname(dir), strerror(errno)); | |
65417579 | 1110 | exit_cleanup(RERR_FILESELECT); |
649d65ed | 1111 | } |
649d65ed | 1112 | } |
649d65ed | 1113 | } |
dc5ddbcc | 1114 | |
b7736c79 | 1115 | if (f != -1) |
ebed4c3a | 1116 | send_file_entry(NULL, f, 0); |
c627d613 | 1117 | |
b7736c79 | 1118 | if (show_filelist_p() && f != -1) |
1bbd10fe | 1119 | finish_filelist_progress(flist); |
ebed4c3a | 1120 | |
827c37f6 | 1121 | clean_flist(flist, 0, 0); |
ebed4c3a | 1122 | |
649d65ed | 1123 | /* now send the uid/gid list. This was introduced in protocol |
ebed4c3a | 1124 | version 15 */ |
b7736c79 | 1125 | if (f != -1) |
649d65ed | 1126 | send_uid_list(f); |
f6c34742 | 1127 | |
91c4da3f S |
1128 | /* send the io_error flag */ |
1129 | if (f != -1) { | |
cda2ae84 | 1130 | extern int module_id; |
ebed4c3a | 1131 | write_int(f, lp_ignore_errors(module_id) ? 0 : io_error); |
6ba9279f AT |
1132 | } |
1133 | ||
d6dead6b | 1134 | if (f != -1) { |
a261989c | 1135 | io_end_buffering(); |
a800434a AT |
1136 | stats.flist_size = stats.total_written - start_write; |
1137 | stats.num_files = flist->count; | |
64c3523a | 1138 | if (write_batch) |
ebed4c3a | 1139 | write_batch_flist_info(flist->count, flist->files); |
d6dead6b AT |
1140 | } |
1141 | ||
17faa41c | 1142 | if (verbose > 2) |
ebed4c3a | 1143 | rprintf(FINFO, "send_file_list done\n"); |
17faa41c | 1144 | |
649d65ed | 1145 | return flist; |
c627d613 AT |
1146 | } |
1147 | ||
1148 | ||
1149 | struct file_list *recv_file_list(int f) | |
1150 | { | |
ebed4c3a | 1151 | struct file_list *flist; |
1ef00d20 | 1152 | unsigned short flags; |
ebed4c3a MP |
1153 | int64 start_read; |
1154 | extern int list_only; | |
c627d613 | 1155 | |
1bbd10fe DD |
1156 | if (show_filelist_p()) |
1157 | start_filelist_progress("receiving file list"); | |
c627d613 | 1158 | |
ebed4c3a | 1159 | start_read = stats.total_read; |
a800434a | 1160 | |
58cadc86 | 1161 | flist = new(struct file_list); |
ebed4c3a MP |
1162 | if (!flist) |
1163 | goto oom; | |
c627d613 | 1164 | |
ebed4c3a MP |
1165 | flist->count = 0; |
1166 | flist->malloced = 1000; | |
58cadc86 | 1167 | flist->files = new_array(struct file_struct *, flist->malloced); |
ebed4c3a MP |
1168 | if (!flist->files) |
1169 | goto oom; | |
c627d613 AT |
1170 | |
1171 | ||
1ef00d20 | 1172 | while ((flags = read_byte(f)) != 0) { |
5d2c5c4c | 1173 | int i = flist->count; |
dbda5fbf | 1174 | |
d9d6bc52 | 1175 | flist_expand(flist); |
c627d613 | 1176 | |
75bc8600 WD |
1177 | if (protocol_version >= 28 && (flags & EXTENDED_FLAGS)) |
1178 | flags |= read_byte(f) << 8; | |
ebed4c3a | 1179 | receive_file_entry(&flist->files[i], flags, f); |
c627d613 | 1180 | |
ebed4c3a MP |
1181 | if (S_ISREG(flist->files[i]->mode)) |
1182 | stats.total_size += flist->files[i]->length; | |
c627d613 | 1183 | |
ebed4c3a | 1184 | flist->count++; |
c627d613 | 1185 | |
db719fb0 | 1186 | maybe_emit_filelist_progress(flist); |
1bbd10fe | 1187 | |
8018edd3 | 1188 | if (verbose > 2) { |
ebed4c3a MP |
1189 | rprintf(FINFO, "recv_file_name(%s)\n", |
1190 | f_name(flist->files[i])); | |
8018edd3 | 1191 | } |
ebed4c3a | 1192 | } |
c627d613 AT |
1193 | |
1194 | ||
ebed4c3a MP |
1195 | if (verbose > 2) |
1196 | rprintf(FINFO, "received %d names\n", flist->count); | |
c627d613 | 1197 | |
827c37f6 | 1198 | clean_flist(flist, relative_paths, 1); |
c627d613 | 1199 | |
b7736c79 | 1200 | if (show_filelist_p()) |
1bbd10fe | 1201 | finish_filelist_progress(flist); |
a06d19e3 | 1202 | |
ebed4c3a | 1203 | /* now recv the uid/gid list. This was introduced in protocol version 15 */ |
b7736c79 | 1204 | if (f != -1) |
ebed4c3a | 1205 | recv_uid_list(f, flist); |
f6c34742 | 1206 | |
91c4da3f S |
1207 | /* recv the io_error flag */ |
1208 | if (f != -1 && !read_batch) { /* dw-added readbatch */ | |
ebed4c3a MP |
1209 | extern int module_id; |
1210 | extern int ignore_errors; | |
b7736c79 | 1211 | if (lp_ignore_errors(module_id) || ignore_errors) |
ebed4c3a | 1212 | read_int(f); |
b7736c79 | 1213 | else |
ebed4c3a | 1214 | io_error |= read_int(f); |
ebed4c3a | 1215 | } |
6ba9279f | 1216 | |
ebed4c3a MP |
1217 | if (list_only) { |
1218 | int i; | |
b7736c79 | 1219 | for (i = 0; i < flist->count; i++) |
ebed4c3a | 1220 | list_file_entry(flist->files[i]); |
ebed4c3a | 1221 | } |
f7632fc6 AT |
1222 | |
1223 | ||
ebed4c3a MP |
1224 | if (verbose > 2) |
1225 | rprintf(FINFO, "recv_file_list done\n"); | |
17faa41c | 1226 | |
ebed4c3a MP |
1227 | stats.flist_size = stats.total_read - start_read; |
1228 | stats.num_files = flist->count; | |
a800434a | 1229 | |
ebed4c3a | 1230 | return flist; |
c627d613 | 1231 | |
ebed4c3a MP |
1232 | oom: |
1233 | out_of_memory("recv_file_list"); | |
1234 | return NULL; /* not reached */ | |
c627d613 AT |
1235 | } |
1236 | ||
1237 | ||
fa45cda1 | 1238 | int file_compare(struct file_struct **file1, struct file_struct **file2) |
c627d613 | 1239 | { |
fa45cda1 S |
1240 | struct file_struct *f1 = *file1; |
1241 | struct file_struct *f2 = *file2; | |
1242 | ||
1243 | if (!f1->basename && !f2->basename) | |
ebed4c3a | 1244 | return 0; |
fa45cda1 | 1245 | if (!f1->basename) |
ebed4c3a | 1246 | return -1; |
fa45cda1 | 1247 | if (!f2->basename) |
ebed4c3a | 1248 | return 1; |
fa45cda1 S |
1249 | if (f1->dirname == f2->dirname) |
1250 | return u_strcmp(f1->basename, f2->basename); | |
1251 | return f_name_cmp(f1, f2); | |
c627d613 AT |
1252 | } |
1253 | ||
1254 | ||
ebed4c3a | 1255 | int flist_find(struct file_list *flist, struct file_struct *f) |
c627d613 | 1256 | { |
ebed4c3a | 1257 | int low = 0, high = flist->count - 1; |
d966ee25 | 1258 | |
ca23c51a WD |
1259 | while (high >= 0 && !flist->files[high]->basename) high--; |
1260 | ||
1261 | if (high < 0) | |
ebed4c3a | 1262 | return -1; |
d966ee25 AT |
1263 | |
1264 | while (low != high) { | |
ebed4c3a | 1265 | int mid = (low + high) / 2; |
b7736c79 | 1266 | int ret = file_compare(&flist->files[flist_up(flist, mid)],&f); |
ebed4c3a MP |
1267 | if (ret == 0) |
1268 | return flist_up(flist, mid); | |
b7736c79 | 1269 | if (ret > 0) |
ebed4c3a | 1270 | high = mid; |
b7736c79 | 1271 | else |
ebed4c3a | 1272 | low = mid + 1; |
d966ee25 AT |
1273 | } |
1274 | ||
ebed4c3a MP |
1275 | if (file_compare(&flist->files[flist_up(flist, low)], &f) == 0) |
1276 | return flist_up(flist, low); | |
d966ee25 | 1277 | return -1; |
c627d613 AT |
1278 | } |
1279 | ||
1280 | ||
3ec4dd97 AT |
1281 | /* |
1282 | * free up one file | |
1283 | */ | |
66203a98 | 1284 | void free_file(struct file_struct *file) |
c627d613 | 1285 | { |
ebed4c3a MP |
1286 | if (!file) |
1287 | return; | |
1288 | if (file->basename) | |
1289 | free(file->basename); | |
1290 | if (file->link) | |
1291 | free(file->link); | |
1292 | if (file->sum) | |
1293 | free(file->sum); | |
3d382777 | 1294 | *file = null_file; |
3ec4dd97 | 1295 | } |
c627d613 | 1296 | |
c627d613 | 1297 | |
3d382777 AT |
1298 | /* |
1299 | * allocate a new file list | |
1300 | */ | |
1e34e4b7 | 1301 | struct file_list *flist_new(void) |
3d382777 AT |
1302 | { |
1303 | struct file_list *flist; | |
1304 | ||
58cadc86 | 1305 | flist = new(struct file_list); |
ebed4c3a MP |
1306 | if (!flist) |
1307 | out_of_memory("send_file_list"); | |
3d382777 | 1308 | |
ebed4c3a | 1309 | flist->count = 0; |
d9d6bc52 MP |
1310 | flist->malloced = 0; |
1311 | flist->files = NULL; | |
1312 | ||
3d382777 AT |
1313 | #if ARENA_SIZE > 0 |
1314 | flist->string_area = string_area_new(0); | |
1315 | #else | |
5c66303a | 1316 | flist->string_area = NULL; |
3d382777 AT |
1317 | #endif |
1318 | return flist; | |
1319 | } | |
ebed4c3a | 1320 | |
3ec4dd97 AT |
1321 | /* |
1322 | * free up all elements in a flist | |
1323 | */ | |
1324 | void flist_free(struct file_list *flist) | |
1325 | { | |
1326 | int i; | |
ebed4c3a | 1327 | for (i = 1; i < flist->count; i++) { |
3d382777 AT |
1328 | if (!flist->string_area) |
1329 | free_file(flist->files[i]); | |
649d65ed | 1330 | free(flist->files[i]); |
ebed4c3a | 1331 | } |
d9d6bc52 MP |
1332 | /* FIXME: I don't think we generally need to blank the flist |
1333 | * since it's about to be freed. This will just cause more | |
1334 | * memory traffic. If you want a freed-memory debugger, you | |
1335 | * know where to get it. */ | |
ebed4c3a MP |
1336 | memset((char *) flist->files, 0, |
1337 | sizeof(flist->files[0]) * flist->count); | |
3ec4dd97 | 1338 | free(flist->files); |
3d382777 AT |
1339 | if (flist->string_area) |
1340 | string_area_free(flist->string_area); | |
ebed4c3a | 1341 | memset((char *) flist, 0, sizeof(*flist)); |
3ec4dd97 | 1342 | free(flist); |
c627d613 AT |
1343 | } |
1344 | ||
1345 | ||
1346 | /* | |
1347 | * This routine ensures we don't have any duplicate names in our file list. | |
dbda5fbf | 1348 | * duplicate names can cause corruption because of the pipelining |
c627d613 | 1349 | */ |
827c37f6 | 1350 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups) |
c627d613 | 1351 | { |
6931c138 | 1352 | int i, prev_i = 0; |
c627d613 | 1353 | |
ebed4c3a | 1354 | if (!flist || flist->count == 0) |
3ec4dd97 | 1355 | return; |
3ec4dd97 | 1356 | |
ebed4c3a MP |
1357 | qsort(flist->files, flist->count, |
1358 | sizeof(flist->files[0]), (int (*)()) file_compare); | |
1359 | ||
827c37f6 | 1360 | for (i = no_dups? 0 : flist->count; i < flist->count; i++) { |
b91b50c0 | 1361 | if (flist->files[i]->basename) { |
6931c138 | 1362 | prev_i = i; |
b91b50c0 WD |
1363 | break; |
1364 | } | |
1365 | } | |
1366 | while (++i < flist->count) { | |
1367 | if (!flist->files[i]->basename) | |
1368 | continue; | |
8018edd3 | 1369 | if (f_name_cmp(flist->files[i], flist->files[prev_i]) == 0) { |
b91b50c0 | 1370 | if (verbose > 1 && !am_server) { |
ebed4c3a MP |
1371 | rprintf(FINFO, |
1372 | "removing duplicate name %s from file list %d\n", | |
8018edd3 | 1373 | f_name(flist->files[i]), i); |
b91b50c0 | 1374 | } |
6931c138 WD |
1375 | /* Make sure that if we unduplicate '.', that we don't |
1376 | * lose track of a user-specified starting point (or | |
1377 | * else deletions will mysteriously fail with -R). */ | |
1378 | if (flist->files[i]->flags & FLAG_DELETE) | |
1379 | flist->files[prev_i]->flags |= FLAG_DELETE; | |
b91b50c0 WD |
1380 | /* it's not great that the flist knows the semantics of |
1381 | * the file memory usage, but i'd rather not add a flag | |
1382 | * byte to that struct. | |
1383 | * XXX can i use a bit in the flags field? */ | |
3d382777 AT |
1384 | if (flist->string_area) |
1385 | flist->files[i][0] = null_file; | |
1386 | else | |
1387 | free_file(flist->files[i]); | |
ebed4c3a | 1388 | } |
6931c138 WD |
1389 | else |
1390 | prev_i = i; | |
3ec4dd97 | 1391 | } |
0199b05f AT |
1392 | |
1393 | if (strip_root) { | |
1394 | /* we need to strip off the root directory in the case | |
1395 | of relative paths, but this must be done _after_ | |
1396 | the sorting phase */ | |
ebed4c3a | 1397 | for (i = 0; i < flist->count; i++) { |
0199b05f AT |
1398 | if (flist->files[i]->dirname && |
1399 | flist->files[i]->dirname[0] == '/') { | |
1400 | memmove(&flist->files[i]->dirname[0], | |
1401 | &flist->files[i]->dirname[1], | |
1402 | strlen(flist->files[i]->dirname)); | |
1403 | } | |
ebed4c3a MP |
1404 | |
1405 | if (flist->files[i]->dirname && | |
0199b05f AT |
1406 | !flist->files[i]->dirname[0]) { |
1407 | flist->files[i]->dirname = NULL; | |
1408 | } | |
1409 | } | |
1410 | } | |
1411 | ||
ebed4c3a MP |
1412 | if (verbose <= 3) |
1413 | return; | |
0199b05f | 1414 | |
ebed4c3a | 1415 | for (i = 0; i < flist->count; i++) { |
1ef00d20 WD |
1416 | rprintf(FINFO, "[%ld] i=%d %s %s mode=0%o len=%.0f\n", |
1417 | (long) getpid(), i, | |
74e708d8 AT |
1418 | NS(flist->files[i]->dirname), |
1419 | NS(flist->files[i]->basename), | |
08a740ff | 1420 | (int) flist->files[i]->mode, |
ebed4c3a | 1421 | (double) flist->files[i]->length); |
0199b05f | 1422 | } |
3ec4dd97 AT |
1423 | } |
1424 | ||
1425 | ||
8018edd3 WD |
1426 | enum fnc_state { fnc_DIR, fnc_SLASH, fnc_BASE }; |
1427 | ||
1428 | /* Compare the names of two file_struct entities, just like strcmp() | |
1429 | * would do if it were operating on the joined strings. We assume | |
1430 | * that there are no 0-length strings. | |
3ec4dd97 | 1431 | */ |
8018edd3 | 1432 | int f_name_cmp(struct file_struct *f1, struct file_struct *f2) |
3ec4dd97 | 1433 | { |
8018edd3 WD |
1434 | int dif; |
1435 | const uchar *c1, *c2; | |
1ef00d20 | 1436 | enum fnc_state state1, state2; |
8018edd3 WD |
1437 | |
1438 | if (!f1 || !f1->basename) { | |
1439 | if (!f2 || !f2->basename) | |
1440 | return 0; | |
1441 | return -1; | |
1442 | } | |
1443 | if (!f2 || !f2->basename) | |
1444 | return 1; | |
1445 | ||
e90b8ace | 1446 | if (!(c1 = (uchar*)f1->dirname)) { |
8018edd3 | 1447 | state1 = fnc_BASE; |
e90b8ace | 1448 | c1 = (uchar*)f1->basename; |
8018edd3 | 1449 | } |
1ef00d20 WD |
1450 | else |
1451 | state1 = fnc_DIR; | |
e90b8ace | 1452 | if (!(c2 = (uchar*)f2->dirname)) { |
8018edd3 | 1453 | state2 = fnc_BASE; |
e90b8ace | 1454 | c2 = (uchar*)f2->basename; |
8018edd3 | 1455 | } |
1ef00d20 WD |
1456 | else |
1457 | state2 = fnc_DIR; | |
8018edd3 WD |
1458 | |
1459 | while (1) { | |
1460 | if ((dif = (int)*c1 - (int)*c2) != 0) | |
1461 | break; | |
1462 | if (!*++c1) { | |
1463 | switch (state1) { | |
1464 | case fnc_DIR: | |
1465 | state1 = fnc_SLASH; | |
e90b8ace | 1466 | c1 = (uchar*)"/"; |
8018edd3 WD |
1467 | break; |
1468 | case fnc_SLASH: | |
1469 | state1 = fnc_BASE; | |
e90b8ace | 1470 | c1 = (uchar*)f1->basename; |
8018edd3 WD |
1471 | break; |
1472 | case fnc_BASE: | |
1473 | break; | |
1474 | } | |
1475 | } | |
1476 | if (!*++c2) { | |
1477 | switch (state2) { | |
1478 | case fnc_DIR: | |
1479 | state2 = fnc_SLASH; | |
e90b8ace | 1480 | c2 = (uchar*)"/"; |
8018edd3 WD |
1481 | break; |
1482 | case fnc_SLASH: | |
1483 | state2 = fnc_BASE; | |
e90b8ace | 1484 | c2 = (uchar*)f2->basename; |
8018edd3 WD |
1485 | break; |
1486 | case fnc_BASE: | |
1487 | if (!*c1) | |
1488 | return 0; | |
1489 | break; | |
1490 | } | |
1491 | } | |
1492 | } | |
1493 | ||
1494 | return dif; | |
1495 | } | |
1496 | ||
3ec4dd97 | 1497 | |
8018edd3 WD |
1498 | /* Return a copy of the full filename of a flist entry, using the indicated |
1499 | * buffer. | |
1500 | */ | |
b7736c79 | 1501 | char *f_name_to(struct file_struct *f, char *fbuf, int bsize) |
8018edd3 | 1502 | { |
ebed4c3a MP |
1503 | if (!f || !f->basename) |
1504 | return NULL; | |
3ec4dd97 | 1505 | |
3ec4dd97 | 1506 | if (f->dirname) { |
b7736c79 WD |
1507 | int off = strlcpy(fbuf, f->dirname, bsize); |
1508 | off += strlcpy(fbuf + off, "/", bsize - off); | |
1509 | strlcpy(fbuf + off, f->basename, bsize - off); | |
8018edd3 | 1510 | } else |
b7736c79 WD |
1511 | strlcpy(fbuf, f->basename, bsize); |
1512 | return fbuf; | |
8018edd3 | 1513 | } |
e03dfae5 | 1514 | |
3ec4dd97 | 1515 | |
8018edd3 WD |
1516 | /* Like f_name_to(), but we rotate through 5 static buffers of our own. |
1517 | */ | |
1518 | char *f_name(struct file_struct *f) | |
1519 | { | |
1520 | static char names[5][MAXPATHLEN]; | |
1521 | static unsigned int n; | |
1522 | ||
1523 | n = (n + 1) % (sizeof names / sizeof names[0]); | |
1524 | ||
1525 | return f_name_to(f, names[n], sizeof names[0]); | |
c627d613 | 1526 | } |