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; | |
983b1ed3 WD |
40 | extern int module_id; |
41 | extern int ignore_errors; | |
c627d613 AT |
42 | |
43 | extern int cvs_exclude; | |
44 | ||
a06d19e3 | 45 | extern int recurse; |
808c57c3 | 46 | extern char curr_dir[MAXPATHLEN]; |
24d0fcde WD |
47 | extern char *files_from; |
48 | extern int filesfrom_fd; | |
a06d19e3 | 49 | |
c627d613 AT |
50 | extern int one_file_system; |
51 | extern int make_backups; | |
52 | extern int preserve_links; | |
dc5ddbcc | 53 | extern int preserve_hard_links; |
c627d613 AT |
54 | extern int preserve_perms; |
55 | extern int preserve_devices; | |
56 | extern int preserve_uid; | |
57 | extern int preserve_gid; | |
58 | extern int preserve_times; | |
6574b4f7 | 59 | extern int relative_paths; |
24d0fcde | 60 | extern int implied_dirs; |
82306bf6 | 61 | extern int copy_links; |
b5313607 | 62 | extern int copy_unsafe_links; |
d04e9c51 | 63 | extern int protocol_version; |
cb13abfe | 64 | extern int sanitize_paths; |
c627d613 | 65 | |
6902ed17 MP |
66 | extern int read_batch; |
67 | extern int write_batch; | |
68 | ||
429f9828 WD |
69 | extern struct exclude_struct **exclude_list; |
70 | extern struct exclude_struct **server_exclude_list; | |
71 | extern struct exclude_struct **local_exclude_list; | |
c627d613 | 72 | |
06c28400 WD |
73 | int io_error; |
74 | ||
3d382777 | 75 | static struct file_struct null_file; |
fea4db62 | 76 | static char empty_sum[MD4_SUM_LENGTH]; |
3d382777 | 77 | |
827c37f6 | 78 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups); |
0199b05f | 79 | |
58225000 | 80 | |
1bbd10fe | 81 | static int show_filelist_p(void) |
58225000 | 82 | { |
24d0fcde | 83 | return verbose && (recurse || files_from) && !am_server; |
1bbd10fe | 84 | } |
ebed4c3a | 85 | |
1bbd10fe DD |
86 | static void start_filelist_progress(char *kind) |
87 | { | |
88 | rprintf(FINFO, "%s ... ", kind); | |
89 | if ((verbose > 1) || do_progress) | |
90 | rprintf(FINFO, "\n"); | |
91 | rflush(FINFO); | |
58225000 MP |
92 | } |
93 | ||
db719fb0 | 94 | |
d27cbec5 | 95 | static void emit_filelist_progress(const struct file_list *flist) |
db719fb0 | 96 | { |
d27cbec5 | 97 | rprintf(FINFO, " %d files...\r", flist->count); |
db719fb0 MP |
98 | } |
99 | ||
100 | ||
d27cbec5 | 101 | static void maybe_emit_filelist_progress(const struct file_list *flist) |
58225000 | 102 | { |
d27cbec5 DD |
103 | if (do_progress && show_filelist_p() && ((flist->count % 100) == 0)) |
104 | emit_filelist_progress(flist); | |
58225000 MP |
105 | } |
106 | ||
107 | ||
1bbd10fe | 108 | static void finish_filelist_progress(const struct file_list *flist) |
58225000 | 109 | { |
1bbd10fe DD |
110 | if (do_progress) { |
111 | /* This overwrites the progress line */ | |
c7b562be MP |
112 | rprintf(FINFO, "%d file%sto consider\n", |
113 | flist->count, flist->count == 1 ? " " : "s "); | |
b7736c79 | 114 | } else |
1bbd10fe | 115 | rprintf(FINFO, "done\n"); |
58225000 MP |
116 | } |
117 | ||
86943126 MP |
118 | void show_flist_stats(void) |
119 | { | |
120 | /* Nothing yet */ | |
121 | } | |
122 | ||
123 | ||
5c66303a | 124 | static struct string_area *string_area_new(int size) |
3d382777 AT |
125 | { |
126 | struct string_area *a; | |
127 | ||
ebed4c3a MP |
128 | if (size <= 0) |
129 | size = ARENA_SIZE; | |
58cadc86 | 130 | a = new(struct string_area); |
ebed4c3a MP |
131 | if (!a) |
132 | out_of_memory("string_area_new"); | |
58cadc86 | 133 | a->current = a->base = new_array(char, size); |
ebed4c3a MP |
134 | if (!a->current) |
135 | out_of_memory("string_area_new buffer"); | |
3d382777 | 136 | a->end = a->base + size; |
5c66303a | 137 | a->next = NULL; |
3d382777 AT |
138 | |
139 | return a; | |
140 | } | |
141 | ||
5c66303a | 142 | static void string_area_free(struct string_area *a) |
3d382777 AT |
143 | { |
144 | struct string_area *next; | |
145 | ||
ebed4c3a | 146 | for (; a; a = next) { |
3d382777 AT |
147 | next = a->next; |
148 | free(a->base); | |
149 | } | |
150 | } | |
151 | ||
5c66303a | 152 | static char *string_area_malloc(struct string_area **ap, int size) |
3d382777 AT |
153 | { |
154 | char *p; | |
155 | struct string_area *a; | |
156 | ||
157 | /* does the request fit into the current space? */ | |
158 | a = *ap; | |
159 | if (a->current + size >= a->end) { | |
160 | /* no; get space, move new string_area to front of the list */ | |
161 | a = string_area_new(size > ARENA_SIZE ? size : ARENA_SIZE); | |
162 | a->next = *ap; | |
163 | *ap = a; | |
164 | } | |
165 | ||
166 | /* have space; do the "allocation." */ | |
167 | p = a->current; | |
168 | a->current += size; | |
169 | return p; | |
170 | } | |
171 | ||
5c66303a | 172 | static char *string_area_strdup(struct string_area **ap, const char *src) |
3d382777 | 173 | { |
ebed4c3a | 174 | char *dest = string_area_malloc(ap, strlen(src) + 1); |
3d382777 AT |
175 | return strcpy(dest, src); |
176 | } | |
f7632fc6 AT |
177 | |
178 | static void list_file_entry(struct file_struct *f) | |
179 | { | |
740819ef | 180 | char perms[11]; |
f7632fc6 | 181 | |
7212be92 DD |
182 | if (!f->basename) |
183 | /* this can happen if duplicate names were removed */ | |
184 | return; | |
185 | ||
740819ef MP |
186 | permstring(perms, f->mode); |
187 | ||
f7632fc6 | 188 | if (preserve_links && S_ISLNK(f->mode)) { |
ebed4c3a MP |
189 | rprintf(FINFO, "%s %11.0f %s %s -> %s\n", |
190 | perms, | |
191 | (double) f->length, timestring(f->modtime), | |
728d0922 | 192 | f_name(f), f->u.link); |
f7632fc6 | 193 | } else { |
ebed4c3a MP |
194 | rprintf(FINFO, "%s %11.0f %s %s\n", |
195 | perms, | |
196 | (double) f->length, timestring(f->modtime), | |
197 | f_name(f)); | |
f7632fc6 AT |
198 | } |
199 | } | |
200 | ||
201 | ||
bd9e9ecc MP |
202 | /** |
203 | * Stat either a symlink or its referent, depending on the settings of | |
204 | * copy_links, copy_unsafe_links, etc. | |
205 | * | |
4e5db0ad MP |
206 | * @retval -1 on error |
207 | * | |
208 | * @retval 0 for success | |
209 | * | |
210 | * @post If @p path is a symlink, then @p linkbuf (of size @c | |
bd9e9ecc | 211 | * MAXPATHLEN) contains the symlink target. |
4e5db0ad MP |
212 | * |
213 | * @post @p buffer contains information about the link or the | |
214 | * referrent as appropriate, if they exist. | |
bd9e9ecc | 215 | **/ |
b7736c79 | 216 | int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf) |
b5313607 DD |
217 | { |
218 | #if SUPPORT_LINKS | |
b7736c79 | 219 | if (copy_links) |
6f2623fd | 220 | return do_stat(path, buffer); |
b7736c79 | 221 | if (do_lstat(path, buffer) == -1) |
b5313607 | 222 | return -1; |
6f2623fd | 223 | if (S_ISLNK(buffer->st_mode)) { |
b7736c79 | 224 | int l = readlink((char *) path, linkbuf, MAXPATHLEN - 1); |
dbda5fbf | 225 | if (l == -1) |
b5313607 | 226 | return -1; |
6f2623fd | 227 | linkbuf[l] = 0; |
fc638474 DD |
228 | if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) { |
229 | if (verbose > 1) { | |
dbda5fbf | 230 | rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n", |
fc638474 DD |
231 | path, linkbuf); |
232 | } | |
6f2623fd | 233 | return do_stat(path, buffer); |
b5313607 DD |
234 | } |
235 | } | |
236 | return 0; | |
237 | #else | |
6f2623fd | 238 | return do_stat(path, buffer); |
b5313607 DD |
239 | #endif |
240 | } | |
241 | ||
6f2623fd | 242 | int link_stat(const char *path, STRUCT_STAT * buffer) |
82306bf6 AT |
243 | { |
244 | #if SUPPORT_LINKS | |
b7736c79 | 245 | if (copy_links) |
6f2623fd | 246 | return do_stat(path, buffer); |
b7736c79 | 247 | return do_lstat(path, buffer); |
82306bf6 | 248 | #else |
6f2623fd | 249 | return do_stat(path, buffer); |
82306bf6 AT |
250 | #endif |
251 | } | |
252 | ||
c627d613 | 253 | /* |
429f9828 WD |
254 | * This function is used to check if a file should be included/excluded |
255 | * from the list of files based on its name and type etc. The value of | |
256 | * exclude_level is set to either SERVER_EXCLUDES or ALL_EXCLUDES. | |
c627d613 | 257 | */ |
429f9828 | 258 | static int check_exclude_file(char *fname, int is_dir, int exclude_level) |
c627d613 | 259 | { |
7d687932 | 260 | #if 0 /* This currently never happens, so avoid a useless compare. */ |
429f9828 WD |
261 | if (exclude_level == NO_EXCLUDES) |
262 | return 0; | |
263 | #endif | |
6931c138 | 264 | if (fname) { |
429f9828 | 265 | /* never exclude '.', even if somebody does --exclude '*' */ |
6931c138 WD |
266 | if (fname[0] == '.' && !fname[1]) |
267 | return 0; | |
268 | /* Handle the -R version of the '.' dir. */ | |
269 | if (fname[0] == '/') { | |
270 | int len = strlen(fname); | |
271 | if (fname[len-1] == '.' && fname[len-2] == '/') | |
272 | return 0; | |
273 | } | |
76e26e10 | 274 | } |
6931c138 WD |
275 | if (server_exclude_list |
276 | && check_exclude(server_exclude_list, fname, is_dir)) | |
429f9828 WD |
277 | return 1; |
278 | if (exclude_level != ALL_EXCLUDES) | |
279 | return 0; | |
280 | if (exclude_list && check_exclude(exclude_list, fname, is_dir)) | |
281 | return 1; | |
6931c138 WD |
282 | if (local_exclude_list |
283 | && check_exclude(local_exclude_list, fname, is_dir)) | |
76e26e10 | 284 | return 1; |
76e26e10 | 285 | return 0; |
c627d613 AT |
286 | } |
287 | ||
288 | /* used by the one_file_system code */ | |
289 | static dev_t filesystem_dev; | |
290 | ||
291 | static void set_filesystem(char *fname) | |
292 | { | |
ebed4c3a MP |
293 | STRUCT_STAT st; |
294 | if (link_stat(fname, &st) != 0) | |
295 | return; | |
296 | filesystem_dev = st.st_dev; | |
c627d613 AT |
297 | } |
298 | ||
299 | ||
b280a1f4 AT |
300 | static int to_wire_mode(mode_t mode) |
301 | { | |
b7736c79 | 302 | if (S_ISLNK(mode) && (_S_IFLNK != 0120000)) |
b280a1f4 | 303 | return (mode & ~(_S_IFMT)) | 0120000; |
ebed4c3a | 304 | return (int) mode; |
b280a1f4 AT |
305 | } |
306 | ||
307 | static mode_t from_wire_mode(int mode) | |
308 | { | |
b7736c79 | 309 | if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000)) |
efe3037c | 310 | return (mode & ~(_S_IFMT)) | _S_IFLNK; |
ebed4c3a | 311 | return (mode_t) mode; |
b280a1f4 AT |
312 | } |
313 | ||
314 | ||
ebed4c3a | 315 | static void send_directory(int f, struct file_list *flist, char *dir); |
c627d613 | 316 | |
3a6a366f | 317 | static char *flist_dir; |
c627d613 | 318 | |
3ec4dd97 | 319 | |
d9d6bc52 MP |
320 | /** |
321 | * Make sure @p flist is big enough to hold at least @p flist->count | |
322 | * entries. | |
323 | **/ | |
324 | static void flist_expand(struct file_list *flist) | |
325 | { | |
326 | if (flist->count >= flist->malloced) { | |
2e7d1994 | 327 | void *new_ptr; |
dbda5fbf | 328 | |
d9d6bc52 MP |
329 | if (flist->malloced < 1000) |
330 | flist->malloced += 1000; | |
331 | else | |
332 | flist->malloced *= 2; | |
2e7d1994 | 333 | |
58cadc86 WD |
334 | if (flist->files) { |
335 | new_ptr = realloc_array(flist->files, | |
336 | struct file_struct *, | |
337 | flist->malloced); | |
338 | } else { | |
339 | new_ptr = new_array(struct file_struct *, | |
340 | flist->malloced); | |
341 | } | |
2e7d1994 | 342 | |
1d5a1da9 | 343 | if (verbose >= 2) { |
1bbd10fe | 344 | rprintf(FINFO, "expand file_list to %.0f bytes, did%s move\n", |
58cadc86 WD |
345 | (double)sizeof(flist->files[0]) |
346 | * flist->malloced, | |
2e7d1994 MP |
347 | (new_ptr == flist->files) ? " not" : ""); |
348 | } | |
dbda5fbf | 349 | |
2e7d1994 MP |
350 | flist->files = (struct file_struct **) new_ptr; |
351 | ||
d9d6bc52 MP |
352 | if (!flist->files) |
353 | out_of_memory("flist_expand"); | |
354 | } | |
355 | } | |
356 | ||
7b1a0c19 | 357 | void send_file_entry(struct file_struct *file, int f, unsigned short base_flags) |
c627d613 | 358 | { |
1ef00d20 | 359 | unsigned short flags; |
5911fee5 WD |
360 | static time_t modtime; |
361 | static mode_t mode; | |
362 | static DEV64_T rdev; /* just high bytes in p28 onward */ | |
363 | static DEV64_T dev; | |
364 | static uid_t uid; | |
365 | static gid_t gid; | |
366 | static char lastname[MAXPATHLEN]; | |
b7736c79 | 367 | char *fname, fbuf[MAXPATHLEN]; |
ebed4c3a | 368 | int l1, l2; |
72914a60 | 369 | |
ebed4c3a MP |
370 | if (f == -1) |
371 | return; | |
72914a60 AT |
372 | |
373 | if (!file) { | |
ebed4c3a | 374 | write_byte(f, 0); |
5911fee5 WD |
375 | modtime = 0, mode = 0; |
376 | rdev = 0, dev = 0; | |
377 | uid = 0, gid = 0; | |
378 | *lastname = '\0'; | |
72914a60 AT |
379 | return; |
380 | } | |
381 | ||
eca2adb4 MP |
382 | io_write_phase = "send_file_entry"; |
383 | ||
b7736c79 | 384 | fname = f_name_to(file, fbuf, sizeof fbuf); |
72914a60 AT |
385 | |
386 | flags = base_flags; | |
387 | ||
30f337c9 | 388 | if (file->mode == mode) |
ebed4c3a | 389 | flags |= SAME_MODE; |
1ef00d20 | 390 | else |
30f337c9 | 391 | mode = file->mode; |
75bc8600 WD |
392 | if (preserve_devices) { |
393 | if (protocol_version < 28) { | |
728d0922 WD |
394 | if (IS_DEVICE(mode)) { |
395 | if (file->u.rdev == rdev) { | |
396 | /* Set both flags so that the test when | |
397 | * writing the data is simpler. */ | |
398 | flags |= SAME_RDEV_pre28|SAME_HIGH_RDEV; | |
399 | } else | |
400 | rdev = file->u.rdev; | |
401 | } else | |
402 | rdev = 0; | |
403 | } else if (IS_DEVICE(mode)) { | |
404 | if ((file->u.rdev & ~0xFF) == rdev) | |
75bc8600 | 405 | flags |= SAME_HIGH_RDEV; |
30f337c9 | 406 | else |
728d0922 | 407 | rdev = file->u.rdev & ~0xFF; |
75bc8600 WD |
408 | } |
409 | } | |
30f337c9 | 410 | if (file->uid == uid) |
ebed4c3a | 411 | flags |= SAME_UID; |
1ef00d20 | 412 | else |
30f337c9 WD |
413 | uid = file->uid; |
414 | if (file->gid == gid) | |
ebed4c3a | 415 | flags |= SAME_GID; |
1ef00d20 | 416 | else |
30f337c9 WD |
417 | gid = file->gid; |
418 | if (file->modtime == modtime) | |
ebed4c3a | 419 | flags |= SAME_TIME; |
1ef00d20 | 420 | else |
30f337c9 | 421 | modtime = file->modtime; |
92cc9dd7 WD |
422 | if (file->link_u.idev) { |
423 | if (file->F_DEV == dev) { | |
c4b4df4f WD |
424 | if (protocol_version >= 28) |
425 | flags |= SAME_DEV; | |
728d0922 | 426 | } else |
92cc9dd7 | 427 | dev = file->F_DEV; |
c4b4df4f WD |
428 | flags |= HAS_INODE_DATA; |
429 | } | |
ebed4c3a MP |
430 | |
431 | for (l1 = 0; | |
432 | lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255); | |
dbda5fbf | 433 | l1++) {} |
eddd5d12 | 434 | l2 = strlen(fname+l1); |
72914a60 | 435 | |
ebed4c3a MP |
436 | if (l1 > 0) |
437 | flags |= SAME_NAME; | |
438 | if (l2 > 255) | |
439 | flags |= LONG_NAME; | |
72914a60 | 440 | |
75bc8600 WD |
441 | /* We must make sure we don't send a zero flags byte or |
442 | * the other end will terminate the flist transfer. */ | |
30f337c9 | 443 | if (flags == 0 && !S_ISDIR(mode)) |
75bc8600 WD |
444 | flags |= FLAG_DELETE; /* NOTE: no meaning for non-dir */ |
445 | if (protocol_version >= 28) { | |
446 | if ((flags & 0xFF00) || flags == 0) { | |
447 | flags |= EXTENDED_FLAGS; | |
448 | write_byte(f, flags); | |
449 | write_byte(f, flags >> 8); | |
450 | } else | |
451 | write_byte(f, flags); | |
452 | } else { | |
453 | if (flags == 0) | |
454 | flags |= LONG_NAME; | |
455 | write_byte(f, flags); | |
456 | } | |
72914a60 | 457 | if (flags & SAME_NAME) |
ebed4c3a | 458 | write_byte(f, l1); |
72914a60 | 459 | if (flags & LONG_NAME) |
ebed4c3a | 460 | write_int(f, l2); |
72914a60 | 461 | else |
ebed4c3a MP |
462 | write_byte(f, l2); |
463 | write_buf(f, fname + l1, l2); | |
72914a60 | 464 | |
ebed4c3a | 465 | write_longint(f, file->length); |
72914a60 | 466 | if (!(flags & SAME_TIME)) |
30f337c9 | 467 | write_int(f, modtime); |
72914a60 | 468 | if (!(flags & SAME_MODE)) |
30f337c9 | 469 | write_int(f, to_wire_mode(mode)); |
72914a60 | 470 | if (preserve_uid && !(flags & SAME_UID)) { |
30f337c9 WD |
471 | add_uid(uid); |
472 | write_int(f, uid); | |
72914a60 AT |
473 | } |
474 | if (preserve_gid && !(flags & SAME_GID)) { | |
30f337c9 WD |
475 | add_gid(gid); |
476 | write_int(f, gid); | |
72914a60 | 477 | } |
30f337c9 | 478 | if (preserve_devices && IS_DEVICE(mode)) { |
0c429465 WD |
479 | /* If SAME_HIGH_RDEV is off, SAME_RDEV_pre28 is also off. |
480 | * Also, avoid using "rdev" because it may be incomplete. */ | |
75bc8600 | 481 | if (!(flags & SAME_HIGH_RDEV)) |
728d0922 | 482 | write_int(f, file->u.rdev); |
75bc8600 | 483 | else if (protocol_version >= 28) |
728d0922 | 484 | write_byte(f, file->u.rdev); |
75bc8600 | 485 | } |
c627d613 AT |
486 | |
487 | #if SUPPORT_LINKS | |
30f337c9 | 488 | if (preserve_links && S_ISLNK(mode)) { |
728d0922 WD |
489 | write_int(f, strlen(file->u.link)); |
490 | write_buf(f, file->u.link, strlen(file->u.link)); | |
72914a60 | 491 | } |
c627d613 AT |
492 | #endif |
493 | ||
dc5ddbcc | 494 | #if SUPPORT_HARD_LINKS |
c4b4df4f | 495 | if (flags & HAS_INODE_DATA) { |
d04e9c51 | 496 | if (protocol_version < 26) { |
736a6a29 | 497 | /* 32-bit dev_t and ino_t */ |
30f337c9 | 498 | write_int(f, dev); |
92cc9dd7 | 499 | write_int(f, file->F_INODE); |
736a6a29 MP |
500 | } else { |
501 | /* 64-bit dev_t and ino_t */ | |
c4b4df4f | 502 | if (!(flags & SAME_DEV)) |
30f337c9 | 503 | write_longint(f, dev); |
92cc9dd7 | 504 | write_longint(f, file->F_INODE); |
736a6a29 | 505 | } |
72914a60 | 506 | } |
dc5ddbcc AT |
507 | #endif |
508 | ||
728d0922 WD |
509 | if (always_checksum) { |
510 | char *sum; | |
511 | if (S_ISREG(mode)) | |
512 | sum = file->u.sum; | |
513 | else if (protocol_version < 28) { | |
514 | /* Prior to 28, we sent a useless set of nulls. */ | |
515 | sum = empty_sum; | |
516 | } else | |
517 | sum = NULL; | |
518 | if (sum) { | |
519 | write_buf(f, sum, protocol_version < 21? 2 | |
520 | : MD4_SUM_LENGTH); | |
521 | } | |
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 | { |
5911fee5 WD |
534 | static time_t modtime; |
535 | static mode_t mode; | |
536 | static DEV64_T rdev; /* just high bytes in p28 onward */ | |
537 | static DEV64_T dev; | |
538 | static uid_t uid; | |
539 | static gid_t gid; | |
540 | static char lastname[MAXPATHLEN]; | |
72914a60 | 541 | char thisname[MAXPATHLEN]; |
ebed4c3a | 542 | unsigned int l1 = 0, l2 = 0; |
72914a60 AT |
543 | char *p; |
544 | struct file_struct *file; | |
545 | ||
5911fee5 WD |
546 | if (!fptr) { |
547 | modtime = 0, mode = 0; | |
548 | rdev = 0, dev = 0; | |
549 | uid = 0, gid = 0; | |
550 | *lastname = '\0'; | |
551 | return; | |
552 | } | |
553 | ||
72914a60 AT |
554 | if (flags & SAME_NAME) |
555 | l1 = read_byte(f); | |
ebed4c3a | 556 | |
72914a60 AT |
557 | if (flags & LONG_NAME) |
558 | l2 = read_int(f); | |
559 | else | |
560 | l2 = read_byte(f); | |
561 | ||
58cadc86 | 562 | file = new(struct file_struct); |
ebed4c3a MP |
563 | if (!file) |
564 | out_of_memory("receive_file_entry"); | |
565 | memset((char *) file, 0, sizeof(*file)); | |
72914a60 AT |
566 | (*fptr) = file; |
567 | ||
ebed4c3a MP |
568 | if (l2 >= MAXPATHLEN - l1) { |
569 | rprintf(FERROR, | |
570 | "overflow: flags=0x%x l1=%d l2=%d lastname=%s\n", | |
d0fd26aa AT |
571 | flags, l1, l2, lastname); |
572 | overflow("receive_file_entry"); | |
573 | } | |
72914a60 | 574 | |
ebed4c3a MP |
575 | strlcpy(thisname, lastname, l1 + 1); |
576 | read_sbuf(f, &thisname[l1], l2); | |
577 | thisname[l1 + l2] = 0; | |
72914a60 | 578 | |
ebed4c3a MP |
579 | strlcpy(lastname, thisname, MAXPATHLEN); |
580 | lastname[MAXPATHLEN - 1] = 0; | |
72914a60 AT |
581 | |
582 | clean_fname(thisname); | |
583 | ||
cb13abfe DD |
584 | if (sanitize_paths) { |
585 | sanitize_path(thisname, NULL); | |
586 | } | |
587 | ||
ebed4c3a | 588 | if ((p = strrchr(thisname, '/'))) { |
72914a60 AT |
589 | static char *lastdir; |
590 | *p = 0; | |
b7736c79 | 591 | if (lastdir && strcmp(thisname, lastdir) == 0) |
72914a60 | 592 | file->dirname = lastdir; |
b7736c79 | 593 | else { |
72914a60 AT |
594 | file->dirname = strdup(thisname); |
595 | lastdir = file->dirname; | |
596 | } | |
ebed4c3a | 597 | file->basename = strdup(p + 1); |
72914a60 AT |
598 | } else { |
599 | file->dirname = NULL; | |
600 | file->basename = strdup(thisname); | |
601 | } | |
602 | ||
ebed4c3a MP |
603 | if (!file->basename) |
604 | out_of_memory("receive_file_entry 1"); | |
72914a60 | 605 | |
72914a60 AT |
606 | file->flags = flags; |
607 | file->length = read_longint(f); | |
1ef00d20 | 608 | if (!(flags & SAME_TIME)) |
30f337c9 WD |
609 | modtime = (time_t)read_int(f); |
610 | file->modtime = modtime; | |
1ef00d20 | 611 | if (!(flags & SAME_MODE)) |
30f337c9 WD |
612 | mode = from_wire_mode(read_int(f)); |
613 | file->mode = mode; | |
1ef00d20 WD |
614 | |
615 | if (preserve_uid) { | |
616 | if (!(flags & SAME_UID)) | |
30f337c9 WD |
617 | uid = (uid_t)read_int(f); |
618 | file->uid = uid; | |
1ef00d20 WD |
619 | } |
620 | if (preserve_gid) { | |
621 | if (!(flags & SAME_GID)) | |
30f337c9 WD |
622 | gid = (gid_t)read_int(f); |
623 | file->gid = gid; | |
1ef00d20 WD |
624 | } |
625 | if (preserve_devices) { | |
75bc8600 | 626 | if (protocol_version < 28) { |
30f337c9 WD |
627 | if (IS_DEVICE(mode)) { |
628 | if (!(flags & SAME_RDEV_pre28)) | |
629 | rdev = (DEV64_T)read_int(f); | |
728d0922 | 630 | file->u.rdev = rdev; |
75bc8600 | 631 | } else |
30f337c9 WD |
632 | rdev = 0; |
633 | } else if (IS_DEVICE(mode)) { | |
634 | if (!(flags & SAME_HIGH_RDEV)) { | |
728d0922 WD |
635 | file->u.rdev = (DEV64_T)read_int(f); |
636 | rdev = file->u.rdev & ~0xFF; | |
30f337c9 | 637 | } else |
728d0922 | 638 | file->u.rdev = rdev | (DEV64_T)read_byte(f); |
1ef00d20 | 639 | } |
b7736c79 | 640 | } |
72914a60 | 641 | |
30f337c9 | 642 | if (preserve_links && S_ISLNK(mode)) { |
72914a60 | 643 | int l = read_int(f); |
9dd891bb | 644 | if (l < 0) { |
ebed4c3a | 645 | rprintf(FERROR, "overflow: l=%d\n", l); |
9dd891bb MP |
646 | overflow("receive_file_entry"); |
647 | } | |
728d0922 | 648 | if (!(file->u.link = new_array(char, l + 1))) |
ebed4c3a | 649 | out_of_memory("receive_file_entry 2"); |
728d0922 | 650 | read_sbuf(f, file->u.link, l); |
b7736c79 | 651 | if (sanitize_paths) |
728d0922 | 652 | sanitize_path(file->u.link, file->dirname); |
72914a60 | 653 | } |
dc5ddbcc | 654 | #if SUPPORT_HARD_LINKS |
92cc9dd7 WD |
655 | if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode)) |
656 | flags |= HAS_INODE_DATA; | |
657 | if (flags & HAS_INODE_DATA) { | |
658 | if (!(file->link_u.idev = new(struct idev))) | |
659 | out_of_memory("file inode data"); | |
d04e9c51 | 660 | if (protocol_version < 26) { |
30f337c9 | 661 | dev = read_int(f); |
92cc9dd7 | 662 | file->F_INODE = read_int(f); |
736a6a29 | 663 | } else { |
c4b4df4f | 664 | if (!(flags & SAME_DEV)) |
30f337c9 | 665 | dev = read_longint(f); |
92cc9dd7 | 666 | file->F_INODE = read_longint(f); |
736a6a29 | 667 | } |
92cc9dd7 | 668 | file->F_DEV = dev; |
72914a60 | 669 | } |
dc5ddbcc | 670 | #endif |
ebed4c3a | 671 | |
72914a60 | 672 | if (always_checksum) { |
7c4f063b | 673 | char *sum; |
fea4db62 | 674 | if (S_ISREG(mode)) { |
728d0922 | 675 | sum = file->u.sum = new_array(char, MD4_SUM_LENGTH); |
fea4db62 WD |
676 | if (!sum) |
677 | out_of_memory("md4 sum"); | |
678 | } else if (protocol_version < 28) { | |
679 | /* Prior to 28, we get a useless set of nulls. */ | |
7c4f063b | 680 | sum = empty_sum; |
fea4db62 WD |
681 | } else |
682 | sum = NULL; | |
683 | if (sum) { | |
684 | read_buf(f, sum, protocol_version < 21? 2 | |
685 | : MD4_SUM_LENGTH); | |
686 | } | |
72914a60 | 687 | } |
ebed4c3a | 688 | |
72914a60 AT |
689 | if (!preserve_perms) { |
690 | extern int orig_umask; | |
691 | /* set an appropriate set of permissions based on original | |
fea4db62 | 692 | * permissions and umask. This emulates what GNU cp does */ |
72914a60 AT |
693 | file->mode &= ~orig_umask; |
694 | } | |
c627d613 AT |
695 | } |
696 | ||
697 | ||
0c5f37d9 AT |
698 | /* determine if a file in a different filesstem should be skipped |
699 | when one_file_system is set. We bascally only want to include | |
700 | the mount points - but they can be hard to find! */ | |
ebed4c3a | 701 | static int skip_filesystem(char *fname, STRUCT_STAT * st) |
0c5f37d9 | 702 | { |
bcacc18b | 703 | STRUCT_STAT st2; |
0c5f37d9 AT |
704 | char *p = strrchr(fname, '/'); |
705 | ||
706 | /* skip all but directories */ | |
ebed4c3a MP |
707 | if (!S_ISDIR(st->st_mode)) |
708 | return 1; | |
0c5f37d9 AT |
709 | |
710 | /* if its not a subdirectory then allow */ | |
ebed4c3a MP |
711 | if (!p) |
712 | return 0; | |
0c5f37d9 AT |
713 | |
714 | *p = 0; | |
715 | if (link_stat(fname, &st2)) { | |
716 | *p = '/'; | |
717 | return 0; | |
718 | } | |
719 | *p = '/'; | |
ebed4c3a | 720 | |
0c5f37d9 AT |
721 | return (st2.st_dev != filesystem_dev); |
722 | } | |
4fe159a8 | 723 | |
3d382777 | 724 | #define STRDUP(ap, p) (ap ? string_area_strdup(ap, p) : strdup(p)) |
87a819ed MP |
725 | /* IRIX cc cares that the operands to the ternary have the same type. */ |
726 | #define MALLOC(ap, i) (ap ? (void*) string_area_malloc(ap, i) : malloc(i)) | |
3d382777 | 727 | |
db719fb0 MP |
728 | /** |
729 | * Create a file_struct for a named file by reading its stat() | |
730 | * information and performing extensive checks against global | |
731 | * options. | |
732 | * | |
733 | * @return the new file, or NULL if there was an error or this file | |
734 | * should be excluded. | |
735 | * | |
736 | * @todo There is a small optimization opportunity here to avoid | |
737 | * stat()ing the file in some circumstances, which has a certain cost. | |
738 | * We are called immediately after doing readdir(), and so we may | |
739 | * already know the d_type of the file. We could for example avoid | |
740 | * statting directories if we're not recursing, but this is not a very | |
741 | * important case. Some systems may not have d_type. | |
742 | **/ | |
429f9828 WD |
743 | struct file_struct *make_file(char *fname, struct string_area **ap, |
744 | int exclude_level) | |
c627d613 | 745 | { |
3ec4dd97 | 746 | struct file_struct *file; |
bcacc18b | 747 | STRUCT_STAT st; |
3ec4dd97 AT |
748 | char sum[SUM_LENGTH]; |
749 | char *p; | |
750 | char cleaned_name[MAXPATHLEN]; | |
b5313607 | 751 | char linkbuf[MAXPATHLEN]; |
3ec4dd97 | 752 | |
37f9805d | 753 | strlcpy(cleaned_name, fname, MAXPATHLEN); |
ebed4c3a | 754 | cleaned_name[MAXPATHLEN - 1] = 0; |
3ec4dd97 | 755 | clean_fname(cleaned_name); |
b7736c79 | 756 | if (sanitize_paths) |
cb13abfe | 757 | sanitize_path(cleaned_name, NULL); |
3ec4dd97 AT |
758 | fname = cleaned_name; |
759 | ||
ebed4c3a | 760 | memset(sum, 0, SUM_LENGTH); |
3ec4dd97 | 761 | |
ebed4c3a | 762 | if (readlink_stat(fname, &st, linkbuf) != 0) { |
76e26e10 | 763 | int save_errno = errno; |
429f9828 | 764 | if (errno == ENOENT && exclude_level != NO_EXCLUDES) { |
dbda5fbf | 765 | /* either symlink pointing nowhere or file that |
1b85e3f1 DD |
766 | * was removed during rsync run; see if excluded |
767 | * before reporting an error */ | |
429f9828 | 768 | if (check_exclude_file(fname, 0, exclude_level)) { |
76e26e10 DD |
769 | /* file is excluded anyway, ignore silently */ |
770 | return NULL; | |
771 | } | |
772 | } | |
06c28400 | 773 | io_error |= IOERR_GENERAL; |
ea42541f WD |
774 | rprintf(FERROR, "readlink %s failed: %s\n", |
775 | full_fname(fname), strerror(save_errno)); | |
3ec4dd97 AT |
776 | return NULL; |
777 | } | |
c627d613 | 778 | |
429f9828 WD |
779 | /* backup.c calls us with exclude_level set to NO_EXCLUDES. */ |
780 | if (exclude_level == NO_EXCLUDES) | |
ebed4c3a | 781 | goto skip_excludes; |
ac1a0994 | 782 | |
24d0fcde | 783 | if (S_ISDIR(st.st_mode) && !recurse && !files_from) { |
ebed4c3a | 784 | rprintf(FINFO, "skipping directory %s\n", fname); |
3ec4dd97 AT |
785 | return NULL; |
786 | } | |
ebed4c3a | 787 | |
0c5f37d9 AT |
788 | if (one_file_system && st.st_dev != filesystem_dev) { |
789 | if (skip_filesystem(fname, &st)) | |
790 | return NULL; | |
791 | } | |
ebed4c3a | 792 | |
429f9828 | 793 | if (check_exclude_file(fname, S_ISDIR(st.st_mode) != 0, exclude_level)) |
76e26e10 DD |
794 | return NULL; |
795 | ||
ebed4c3a | 796 | if (lp_ignore_nonreadable(module_id) && access(fname, R_OK) != 0) |
ac1a0994 AT |
797 | return NULL; |
798 | ||
ebed4c3a | 799 | skip_excludes: |
ac1a0994 | 800 | |
3ec4dd97 | 801 | if (verbose > 2) |
429f9828 | 802 | rprintf(FINFO, "make_file(%s,*,%d)\n", fname, exclude_level); |
ebed4c3a | 803 | |
58cadc86 | 804 | file = new(struct file_struct); |
ebed4c3a MP |
805 | if (!file) |
806 | out_of_memory("make_file"); | |
807 | memset((char *) file, 0, sizeof(*file)); | |
3ec4dd97 | 808 | |
ebed4c3a | 809 | if ((p = strrchr(fname, '/'))) { |
3ec4dd97 AT |
810 | static char *lastdir; |
811 | *p = 0; | |
b7736c79 | 812 | if (lastdir && strcmp(fname, lastdir) == 0) |
3ec4dd97 | 813 | file->dirname = lastdir; |
b7736c79 | 814 | else { |
a20aa42a | 815 | file->dirname = strdup(fname); |
3ec4dd97 AT |
816 | lastdir = file->dirname; |
817 | } | |
ebed4c3a | 818 | file->basename = STRDUP(ap, p + 1); |
3ec4dd97 AT |
819 | *p = '/'; |
820 | } else { | |
821 | file->dirname = NULL; | |
3d382777 | 822 | file->basename = STRDUP(ap, fname); |
3ec4dd97 | 823 | } |
c627d613 | 824 | |
3ec4dd97 AT |
825 | file->modtime = st.st_mtime; |
826 | file->length = st.st_size; | |
827 | file->mode = st.st_mode; | |
828 | file->uid = st.st_uid; | |
829 | file->gid = st.st_gid; | |
c4b4df4f | 830 | if (preserve_hard_links) { |
92cc9dd7 | 831 | if (protocol_version < 28 ? S_ISREG(st.st_mode) |
c4b4df4f | 832 | : !S_ISDIR(st.st_mode) && st.st_nlink > 1) { |
92cc9dd7 WD |
833 | if (!(file->link_u.idev = new(struct idev))) |
834 | out_of_memory("file inode data"); | |
835 | file->F_DEV = st.st_dev; | |
836 | file->F_INODE = st.st_ino; | |
c4b4df4f WD |
837 | } |
838 | } | |
5f78da20 | 839 | #ifdef HAVE_STRUCT_STAT_ST_RDEV |
728d0922 WD |
840 | if (IS_DEVICE(st.st_mode)) |
841 | file->u.rdev = st.st_rdev; | |
c627d613 AT |
842 | #endif |
843 | ||
844 | #if SUPPORT_LINKS | |
b7736c79 | 845 | if (S_ISLNK(st.st_mode)) |
728d0922 | 846 | file->u.link = STRDUP(ap, linkbuf); |
c627d613 AT |
847 | #endif |
848 | ||
fea4db62 | 849 | if (always_checksum && S_ISREG(st.st_mode)) { |
728d0922 | 850 | if (!(file->u.sum = (char*)MALLOC(ap, MD4_SUM_LENGTH))) |
ebed4c3a | 851 | out_of_memory("md4 sum"); |
728d0922 | 852 | file_checksum(fname, file->u.sum, st.st_size); |
ebed4c3a | 853 | } |
c627d613 | 854 | |
3ec4dd97 AT |
855 | if (flist_dir) { |
856 | static char *lastdir; | |
b7736c79 | 857 | if (lastdir && strcmp(lastdir, flist_dir) == 0) |
3ec4dd97 | 858 | file->basedir = lastdir; |
b7736c79 | 859 | else { |
a20aa42a | 860 | file->basedir = strdup(flist_dir); |
3ec4dd97 AT |
861 | lastdir = file->basedir; |
862 | } | |
b7736c79 | 863 | } else |
3ec4dd97 | 864 | file->basedir = NULL; |
c627d613 | 865 | |
3ec4dd97 | 866 | if (!S_ISDIR(st.st_mode)) |
a800434a | 867 | stats.total_size += st.st_size; |
c627d613 | 868 | |
3ec4dd97 | 869 | return file; |
c627d613 AT |
870 | } |
871 | ||
872 | ||
ebed4c3a | 873 | void send_file_name(int f, struct file_list *flist, char *fname, |
1ef00d20 | 874 | int recursive, unsigned short base_flags) |
c627d613 | 875 | { |
ebed4c3a | 876 | struct file_struct *file; |
b7736c79 | 877 | char fbuf[MAXPATHLEN]; |
429f9828 | 878 | extern int delete_excluded; |
ebed4c3a | 879 | |
429f9828 WD |
880 | /* f is set to -1 when calculating deletion file list */ |
881 | file = make_file(fname, &flist->string_area, | |
882 | f == -1 && delete_excluded? SERVER_EXCLUDES | |
883 | : ALL_EXCLUDES); | |
ebed4c3a MP |
884 | |
885 | if (!file) | |
886 | return; | |
887 | ||
db719fb0 | 888 | maybe_emit_filelist_progress(flist); |
ebed4c3a | 889 | |
d9d6bc52 | 890 | flist_expand(flist); |
ebed4c3a | 891 | |
64c3523a | 892 | if (write_batch) |
1ef00d20 | 893 | file->flags |= FLAG_DELETE; |
ebed4c3a | 894 | |
c120ff37 | 895 | if (file->basename[0]) { |
ebed4c3a MP |
896 | flist->files[flist->count++] = file; |
897 | send_file_entry(file, f, base_flags); | |
898 | } | |
899 | ||
900 | if (S_ISDIR(file->mode) && recursive) { | |
901 | struct exclude_struct **last_exclude_list = | |
902 | local_exclude_list; | |
b7736c79 | 903 | send_directory(f, flist, f_name_to(file, fbuf, sizeof fbuf)); |
ebed4c3a MP |
904 | local_exclude_list = last_exclude_list; |
905 | return; | |
906 | } | |
c627d613 AT |
907 | } |
908 | ||
909 | ||
ebed4c3a | 910 | static void send_directory(int f, struct file_list *flist, char *dir) |
c627d613 | 911 | { |
3ec4dd97 AT |
912 | DIR *d; |
913 | struct dirent *di; | |
914 | char fname[MAXPATHLEN]; | |
eddd5d12 | 915 | unsigned int offset; |
3ec4dd97 AT |
916 | char *p; |
917 | ||
918 | d = opendir(dir); | |
919 | if (!d) { | |
06c28400 | 920 | io_error |= IOERR_GENERAL; |
ea42541f WD |
921 | rprintf(FERROR, "opendir %s failed: %s\n", |
922 | full_fname(dir), strerror(errno)); | |
3ec4dd97 AT |
923 | return; |
924 | } | |
c627d613 | 925 | |
eddd5d12 WD |
926 | offset = strlcpy(fname, dir, MAXPATHLEN); |
927 | p = fname + offset; | |
928 | if (offset >= MAXPATHLEN || p[-1] != '/') { | |
929 | if (offset >= MAXPATHLEN - 1) { | |
06c28400 | 930 | io_error |= IOERR_GENERAL; |
ea42541f WD |
931 | rprintf(FERROR, "skipping long-named directory: %s\n", |
932 | full_fname(fname)); | |
3ec4dd97 AT |
933 | closedir(d); |
934 | return; | |
935 | } | |
eddd5d12 WD |
936 | *p++ = '/'; |
937 | offset++; | |
3ec4dd97 | 938 | } |
c627d613 | 939 | |
3d913675 AT |
940 | local_exclude_list = NULL; |
941 | ||
3ec4dd97 | 942 | if (cvs_exclude) { |
eddd5d12 WD |
943 | if (strlcpy(p, ".cvsignore", MAXPATHLEN - offset) |
944 | < MAXPATHLEN - offset) | |
57469f6c | 945 | add_exclude_file(&local_exclude_list,fname,MISSING_OK,ADD_EXCLUDE); |
eddd5d12 | 946 | else { |
06c28400 | 947 | io_error |= IOERR_GENERAL; |
ebed4c3a MP |
948 | rprintf(FINFO, |
949 | "cannot cvs-exclude in long-named directory %s\n", | |
ea42541f | 950 | full_fname(fname)); |
3ec4dd97 | 951 | } |
ebed4c3a MP |
952 | } |
953 | ||
6a7cc46c | 954 | for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) { |
d6e6ecbd | 955 | char *dname = d_name(di); |
6a7cc46c S |
956 | if (dname[0] == '.' && (dname[1] == '\0' |
957 | || (dname[1] == '.' && dname[2] == '\0'))) | |
3ec4dd97 | 958 | continue; |
eddd5d12 WD |
959 | if (strlcpy(p, dname, MAXPATHLEN - offset) < MAXPATHLEN - offset) |
960 | send_file_name(f, flist, fname, recurse, 0); | |
961 | else { | |
962 | io_error |= IOERR_GENERAL; | |
963 | rprintf(FINFO, | |
964 | "cannot send long-named file %s\n", | |
965 | full_fname(fname)); | |
966 | } | |
3ec4dd97 | 967 | } |
6a7cc46c | 968 | if (errno) { |
06c28400 | 969 | io_error |= IOERR_GENERAL; |
6a7cc46c | 970 | rprintf(FERROR, "readdir(%s): (%d) %s\n", |
eddd5d12 | 971 | dir, errno, strerror(errno)); |
6a7cc46c | 972 | } |
c627d613 | 973 | |
429f9828 WD |
974 | if (local_exclude_list) |
975 | free_exclude_list(&local_exclude_list); /* Zeros pointer too */ | |
3d913675 | 976 | |
3ec4dd97 | 977 | closedir(d); |
c627d613 AT |
978 | } |
979 | ||
980 | ||
c4fea82f | 981 | /** |
429f9828 WD |
982 | * The delete_files() function in receiver.c sets f to -1 so that we just |
983 | * construct the file list in memory without sending it over the wire. It | |
984 | * also has the side-effect of ignoring user-excludes if delete_excluded | |
985 | * is set (so that the delete list includes user-excluded files). | |
c4fea82f | 986 | **/ |
ebed4c3a | 987 | struct file_list *send_file_list(int f, int argc, char *argv[]) |
c627d613 | 988 | { |
24d0fcde | 989 | int l; |
bcacc18b | 990 | STRUCT_STAT st; |
808c57c3 | 991 | char *p, *dir, olddir[sizeof curr_dir]; |
ebed4c3a | 992 | char lastpath[MAXPATHLEN] = ""; |
649d65ed | 993 | struct file_list *flist; |
a800434a | 994 | int64 start_write; |
24d0fcde | 995 | int use_ff_fd = 0; |
649d65ed | 996 | |
1bbd10fe DD |
997 | if (show_filelist_p() && f != -1) |
998 | start_filelist_progress("building file list"); | |
c627d613 | 999 | |
a800434a AT |
1000 | start_write = stats.total_written; |
1001 | ||
3d382777 | 1002 | flist = flist_new(); |
c627d613 | 1003 | |
d6dead6b | 1004 | if (f != -1) { |
76c21947 | 1005 | io_start_buffering_out(f); |
24d0fcde | 1006 | if (filesfrom_fd >= 0) { |
808c57c3 | 1007 | if (argv[0] && !push_dir(argv[0])) { |
ea42541f WD |
1008 | rprintf(FERROR, "push_dir %s failed: %s\n", |
1009 | full_fname(argv[0]), strerror(errno)); | |
24d0fcde WD |
1010 | exit_cleanup(RERR_FILESELECT); |
1011 | } | |
1012 | use_ff_fd = 1; | |
1013 | } | |
d6dead6b AT |
1014 | } |
1015 | ||
24d0fcde | 1016 | while (1) { |
fc638474 DD |
1017 | char fname2[MAXPATHLEN]; |
1018 | char *fname = fname2; | |
c627d613 | 1019 | |
24d0fcde WD |
1020 | if (use_ff_fd) { |
1021 | if (read_filesfrom_line(filesfrom_fd, fname) == 0) | |
1022 | break; | |
1023 | sanitize_path(fname, NULL); | |
1024 | } else { | |
1025 | if (argc-- == 0) | |
1026 | break; | |
1027 | strlcpy(fname, *argv++, MAXPATHLEN); | |
1028 | if (sanitize_paths) | |
1029 | sanitize_path(fname, NULL); | |
1030 | } | |
c627d613 | 1031 | |
649d65ed | 1032 | l = strlen(fname); |
6931c138 WD |
1033 | if (fname[l - 1] == '/') { |
1034 | if (l == 2 && fname[0] == '.') { | |
1035 | /* Turn "./" into just "." rather than "./." */ | |
1036 | fname[1] = '\0'; | |
eddd5d12 WD |
1037 | } else if (l < MAXPATHLEN) { |
1038 | fname[l++] = '.'; | |
1039 | fname[l] = '\0'; | |
53f821f1 | 1040 | } |
649d65ed | 1041 | } |
c627d613 | 1042 | |
ebed4c3a | 1043 | if (link_stat(fname, &st) != 0) { |
f76933b1 | 1044 | if (f != -1) { |
06c28400 | 1045 | io_error |= IOERR_GENERAL; |
ea42541f WD |
1046 | rprintf(FERROR, "link_stat %s failed: %s\n", |
1047 | full_fname(fname), strerror(errno)); | |
f76933b1 | 1048 | } |
649d65ed AT |
1049 | continue; |
1050 | } | |
c627d613 | 1051 | |
24d0fcde | 1052 | if (S_ISDIR(st.st_mode) && !recurse && !files_from) { |
ebed4c3a | 1053 | rprintf(FINFO, "skipping directory %s\n", fname); |
649d65ed AT |
1054 | continue; |
1055 | } | |
c627d613 | 1056 | |
649d65ed | 1057 | dir = NULL; |
808c57c3 | 1058 | olddir[0] = '\0'; |
649d65ed AT |
1059 | |
1060 | if (!relative_paths) { | |
ebed4c3a | 1061 | p = strrchr(fname, '/'); |
649d65ed AT |
1062 | if (p) { |
1063 | *p = 0; | |
ebed4c3a | 1064 | if (p == fname) |
649d65ed AT |
1065 | dir = "/"; |
1066 | else | |
ebed4c3a MP |
1067 | dir = fname; |
1068 | fname = p + 1; | |
649d65ed | 1069 | } |
24d0fcde | 1070 | } else if (f != -1 && implied_dirs && (p=strrchr(fname,'/')) && p != fname) { |
649d65ed AT |
1071 | /* this ensures we send the intermediate directories, |
1072 | thus getting their permissions right */ | |
2154309a | 1073 | char *lp = lastpath, *fn = fname, *slash = fname; |
649d65ed | 1074 | *p = 0; |
2154309a WD |
1075 | /* Skip any initial directories in our path that we |
1076 | * have in common with lastpath. */ | |
1077 | while (*fn && *lp == *fn) { | |
1078 | if (*fn == '/') | |
1079 | slash = fn; | |
1080 | lp++, fn++; | |
1081 | } | |
1082 | *p = '/'; | |
1083 | if (fn != p || (*lp && *lp != '/')) { | |
1084 | int copy_links_saved = copy_links; | |
1085 | int recurse_saved = recurse; | |
1086 | copy_links = copy_unsafe_links; | |
1087 | /* set recurse to 1 to prevent make_file | |
1088 | * from ignoring directory, but still | |
1089 | * turn off the recursive parameter to | |
1090 | * send_file_name */ | |
1091 | recurse = 1; | |
1092 | while ((slash = strchr(slash+1, '/')) != 0) { | |
1093 | *slash = 0; | |
1094 | send_file_name(f, flist, fname, 0, 0); | |
1095 | *slash = '/'; | |
649d65ed | 1096 | } |
2154309a WD |
1097 | copy_links = copy_links_saved; |
1098 | recurse = recurse_saved; | |
1099 | *p = 0; | |
1100 | strlcpy(lastpath, fname, sizeof lastpath); | |
649d65ed AT |
1101 | *p = '/'; |
1102 | } | |
1103 | } | |
ebed4c3a | 1104 | |
649d65ed AT |
1105 | if (!*fname) |
1106 | fname = "."; | |
ebed4c3a | 1107 | |
649d65ed | 1108 | if (dir && *dir) { |
808c57c3 | 1109 | strcpy(olddir, curr_dir); /* can't overflow */ |
5243c216 | 1110 | |
808c57c3 | 1111 | if (!push_dir(dir)) { |
06c28400 | 1112 | io_error |= IOERR_GENERAL; |
ea42541f WD |
1113 | rprintf(FERROR, "push_dir %s failed: %s\n", |
1114 | full_fname(dir), strerror(errno)); | |
649d65ed AT |
1115 | continue; |
1116 | } | |
5243c216 | 1117 | |
649d65ed | 1118 | flist_dir = dir; |
2bca43f6 | 1119 | } |
ebed4c3a | 1120 | |
2bca43f6 DD |
1121 | if (one_file_system) |
1122 | set_filesystem(fname); | |
1123 | ||
ebed4c3a | 1124 | send_file_name(f, flist, fname, recurse, FLAG_DELETE); |
2bca43f6 | 1125 | |
808c57c3 | 1126 | if (olddir[0]) { |
649d65ed | 1127 | flist_dir = NULL; |
808c57c3 | 1128 | if (!pop_dir(olddir)) { |
ea42541f WD |
1129 | rprintf(FERROR, "pop_dir %s failed: %s\n", |
1130 | full_fname(dir), strerror(errno)); | |
65417579 | 1131 | exit_cleanup(RERR_FILESELECT); |
649d65ed | 1132 | } |
649d65ed | 1133 | } |
649d65ed | 1134 | } |
dc5ddbcc | 1135 | |
983b1ed3 | 1136 | if (f != -1) { |
ebed4c3a | 1137 | send_file_entry(NULL, f, 0); |
c627d613 | 1138 | |
983b1ed3 WD |
1139 | if (show_filelist_p()) |
1140 | finish_filelist_progress(flist); | |
1141 | } | |
ebed4c3a | 1142 | |
827c37f6 | 1143 | clean_flist(flist, 0, 0); |
ebed4c3a | 1144 | |
785db4ce WD |
1145 | if (f != -1) { |
1146 | /* Now send the uid/gid list. This was introduced in | |
1147 | * protocol version 15 */ | |
649d65ed | 1148 | send_uid_list(f); |
f6c34742 | 1149 | |
983b1ed3 | 1150 | /* send the io_error flag */ |
ebed4c3a | 1151 | write_int(f, lp_ignore_errors(module_id) ? 0 : io_error); |
6ba9279f | 1152 | |
a261989c | 1153 | io_end_buffering(); |
a800434a AT |
1154 | stats.flist_size = stats.total_written - start_write; |
1155 | stats.num_files = flist->count; | |
64c3523a | 1156 | if (write_batch) |
ebed4c3a | 1157 | write_batch_flist_info(flist->count, flist->files); |
d6dead6b AT |
1158 | } |
1159 | ||
17faa41c | 1160 | if (verbose > 2) |
ebed4c3a | 1161 | rprintf(FINFO, "send_file_list done\n"); |
17faa41c | 1162 | |
649d65ed | 1163 | return flist; |
c627d613 AT |
1164 | } |
1165 | ||
1166 | ||
1167 | struct file_list *recv_file_list(int f) | |
1168 | { | |
ebed4c3a | 1169 | struct file_list *flist; |
1ef00d20 | 1170 | unsigned short flags; |
ebed4c3a MP |
1171 | int64 start_read; |
1172 | extern int list_only; | |
c627d613 | 1173 | |
1bbd10fe DD |
1174 | if (show_filelist_p()) |
1175 | start_filelist_progress("receiving file list"); | |
c627d613 | 1176 | |
ebed4c3a | 1177 | start_read = stats.total_read; |
a800434a | 1178 | |
58cadc86 | 1179 | flist = new(struct file_list); |
ebed4c3a MP |
1180 | if (!flist) |
1181 | goto oom; | |
c627d613 | 1182 | |
ebed4c3a MP |
1183 | flist->count = 0; |
1184 | flist->malloced = 1000; | |
58cadc86 | 1185 | flist->files = new_array(struct file_struct *, flist->malloced); |
ebed4c3a MP |
1186 | if (!flist->files) |
1187 | goto oom; | |
c627d613 AT |
1188 | |
1189 | ||
1ef00d20 | 1190 | while ((flags = read_byte(f)) != 0) { |
5d2c5c4c | 1191 | int i = flist->count; |
dbda5fbf | 1192 | |
d9d6bc52 | 1193 | flist_expand(flist); |
c627d613 | 1194 | |
75bc8600 WD |
1195 | if (protocol_version >= 28 && (flags & EXTENDED_FLAGS)) |
1196 | flags |= read_byte(f) << 8; | |
ebed4c3a | 1197 | receive_file_entry(&flist->files[i], flags, f); |
c627d613 | 1198 | |
ebed4c3a MP |
1199 | if (S_ISREG(flist->files[i]->mode)) |
1200 | stats.total_size += flist->files[i]->length; | |
c627d613 | 1201 | |
ebed4c3a | 1202 | flist->count++; |
c627d613 | 1203 | |
db719fb0 | 1204 | maybe_emit_filelist_progress(flist); |
1bbd10fe | 1205 | |
8018edd3 | 1206 | if (verbose > 2) { |
ebed4c3a MP |
1207 | rprintf(FINFO, "recv_file_name(%s)\n", |
1208 | f_name(flist->files[i])); | |
8018edd3 | 1209 | } |
ebed4c3a | 1210 | } |
5911fee5 | 1211 | receive_file_entry(NULL, 0, 0); /* Signal that we're done. */ |
c627d613 | 1212 | |
ebed4c3a MP |
1213 | if (verbose > 2) |
1214 | rprintf(FINFO, "received %d names\n", flist->count); | |
c627d613 | 1215 | |
b7736c79 | 1216 | if (show_filelist_p()) |
1bbd10fe | 1217 | finish_filelist_progress(flist); |
a06d19e3 | 1218 | |
983b1ed3 WD |
1219 | clean_flist(flist, relative_paths, 1); |
1220 | ||
785db4ce WD |
1221 | if (f != -1) { |
1222 | /* Now send the uid/gid list. This was introduced in | |
1223 | * protocol version 15 */ | |
ebed4c3a | 1224 | recv_uid_list(f, flist); |
f6c34742 | 1225 | |
785db4ce WD |
1226 | if (!read_batch) { |
1227 | /* Recv the io_error flag */ | |
1228 | if (lp_ignore_errors(module_id) || ignore_errors) | |
1229 | read_int(f); | |
1230 | else | |
1231 | io_error |= read_int(f); | |
1232 | } | |
ebed4c3a | 1233 | } |
6ba9279f | 1234 | |
ebed4c3a MP |
1235 | if (list_only) { |
1236 | int i; | |
b7736c79 | 1237 | for (i = 0; i < flist->count; i++) |
ebed4c3a | 1238 | list_file_entry(flist->files[i]); |
ebed4c3a | 1239 | } |
f7632fc6 | 1240 | |
ebed4c3a MP |
1241 | if (verbose > 2) |
1242 | rprintf(FINFO, "recv_file_list done\n"); | |
17faa41c | 1243 | |
ebed4c3a MP |
1244 | stats.flist_size = stats.total_read - start_read; |
1245 | stats.num_files = flist->count; | |
a800434a | 1246 | |
ebed4c3a | 1247 | return flist; |
c627d613 | 1248 | |
ebed4c3a MP |
1249 | oom: |
1250 | out_of_memory("recv_file_list"); | |
1251 | return NULL; /* not reached */ | |
c627d613 AT |
1252 | } |
1253 | ||
1254 | ||
fa45cda1 | 1255 | int file_compare(struct file_struct **file1, struct file_struct **file2) |
c627d613 | 1256 | { |
fa45cda1 S |
1257 | struct file_struct *f1 = *file1; |
1258 | struct file_struct *f2 = *file2; | |
1259 | ||
1260 | if (!f1->basename && !f2->basename) | |
ebed4c3a | 1261 | return 0; |
fa45cda1 | 1262 | if (!f1->basename) |
ebed4c3a | 1263 | return -1; |
fa45cda1 | 1264 | if (!f2->basename) |
ebed4c3a | 1265 | return 1; |
fa45cda1 S |
1266 | if (f1->dirname == f2->dirname) |
1267 | return u_strcmp(f1->basename, f2->basename); | |
1268 | return f_name_cmp(f1, f2); | |
c627d613 AT |
1269 | } |
1270 | ||
1271 | ||
ebed4c3a | 1272 | int flist_find(struct file_list *flist, struct file_struct *f) |
c627d613 | 1273 | { |
ebed4c3a | 1274 | int low = 0, high = flist->count - 1; |
d966ee25 | 1275 | |
ca23c51a WD |
1276 | while (high >= 0 && !flist->files[high]->basename) high--; |
1277 | ||
1278 | if (high < 0) | |
ebed4c3a | 1279 | return -1; |
d966ee25 AT |
1280 | |
1281 | while (low != high) { | |
ebed4c3a | 1282 | int mid = (low + high) / 2; |
b7736c79 | 1283 | int ret = file_compare(&flist->files[flist_up(flist, mid)],&f); |
ebed4c3a MP |
1284 | if (ret == 0) |
1285 | return flist_up(flist, mid); | |
b7736c79 | 1286 | if (ret > 0) |
ebed4c3a | 1287 | high = mid; |
b7736c79 | 1288 | else |
ebed4c3a | 1289 | low = mid + 1; |
d966ee25 AT |
1290 | } |
1291 | ||
ebed4c3a MP |
1292 | if (file_compare(&flist->files[flist_up(flist, low)], &f) == 0) |
1293 | return flist_up(flist, low); | |
d966ee25 | 1294 | return -1; |
c627d613 AT |
1295 | } |
1296 | ||
1297 | ||
3ec4dd97 AT |
1298 | /* |
1299 | * free up one file | |
1300 | */ | |
66203a98 | 1301 | void free_file(struct file_struct *file) |
c627d613 | 1302 | { |
ebed4c3a MP |
1303 | if (!file) |
1304 | return; | |
1305 | if (file->basename) | |
1306 | free(file->basename); | |
728d0922 WD |
1307 | if (!IS_DEVICE(file->mode) && file->u.link) |
1308 | free(file->u.link); /* Handles u.sum too. */ | |
92cc9dd7 WD |
1309 | if (file->link_u.idev) |
1310 | free((char*)file->link_u.idev); /* Handles link_u.links too. */ | |
3d382777 | 1311 | *file = null_file; |
3ec4dd97 | 1312 | } |
c627d613 | 1313 | |
c627d613 | 1314 | |
3d382777 AT |
1315 | /* |
1316 | * allocate a new file list | |
1317 | */ | |
1e34e4b7 | 1318 | struct file_list *flist_new(void) |
3d382777 AT |
1319 | { |
1320 | struct file_list *flist; | |
1321 | ||
58cadc86 | 1322 | flist = new(struct file_list); |
ebed4c3a MP |
1323 | if (!flist) |
1324 | out_of_memory("send_file_list"); | |
3d382777 | 1325 | |
ebed4c3a | 1326 | flist->count = 0; |
d9d6bc52 MP |
1327 | flist->malloced = 0; |
1328 | flist->files = NULL; | |
1329 | ||
3d382777 AT |
1330 | #if ARENA_SIZE > 0 |
1331 | flist->string_area = string_area_new(0); | |
1332 | #else | |
5c66303a | 1333 | flist->string_area = NULL; |
3d382777 AT |
1334 | #endif |
1335 | return flist; | |
1336 | } | |
ebed4c3a | 1337 | |
3ec4dd97 AT |
1338 | /* |
1339 | * free up all elements in a flist | |
1340 | */ | |
1341 | void flist_free(struct file_list *flist) | |
1342 | { | |
1343 | int i; | |
ebed4c3a | 1344 | for (i = 1; i < flist->count; i++) { |
3d382777 AT |
1345 | if (!flist->string_area) |
1346 | free_file(flist->files[i]); | |
649d65ed | 1347 | free(flist->files[i]); |
ebed4c3a | 1348 | } |
d9d6bc52 MP |
1349 | /* FIXME: I don't think we generally need to blank the flist |
1350 | * since it's about to be freed. This will just cause more | |
1351 | * memory traffic. If you want a freed-memory debugger, you | |
1352 | * know where to get it. */ | |
ebed4c3a MP |
1353 | memset((char *) flist->files, 0, |
1354 | sizeof(flist->files[0]) * flist->count); | |
3ec4dd97 | 1355 | free(flist->files); |
3d382777 AT |
1356 | if (flist->string_area) |
1357 | string_area_free(flist->string_area); | |
ebed4c3a | 1358 | memset((char *) flist, 0, sizeof(*flist)); |
3ec4dd97 | 1359 | free(flist); |
c627d613 AT |
1360 | } |
1361 | ||
1362 | ||
1363 | /* | |
1364 | * This routine ensures we don't have any duplicate names in our file list. | |
dbda5fbf | 1365 | * duplicate names can cause corruption because of the pipelining |
c627d613 | 1366 | */ |
827c37f6 | 1367 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups) |
c627d613 | 1368 | { |
6931c138 | 1369 | int i, prev_i = 0; |
c627d613 | 1370 | |
ebed4c3a | 1371 | if (!flist || flist->count == 0) |
3ec4dd97 | 1372 | return; |
3ec4dd97 | 1373 | |
ebed4c3a MP |
1374 | qsort(flist->files, flist->count, |
1375 | sizeof(flist->files[0]), (int (*)()) file_compare); | |
1376 | ||
827c37f6 | 1377 | for (i = no_dups? 0 : flist->count; i < flist->count; i++) { |
b91b50c0 | 1378 | if (flist->files[i]->basename) { |
6931c138 | 1379 | prev_i = i; |
b91b50c0 WD |
1380 | break; |
1381 | } | |
1382 | } | |
1383 | while (++i < flist->count) { | |
1384 | if (!flist->files[i]->basename) | |
1385 | continue; | |
8018edd3 | 1386 | if (f_name_cmp(flist->files[i], flist->files[prev_i]) == 0) { |
b91b50c0 | 1387 | if (verbose > 1 && !am_server) { |
ebed4c3a MP |
1388 | rprintf(FINFO, |
1389 | "removing duplicate name %s from file list %d\n", | |
8018edd3 | 1390 | f_name(flist->files[i]), i); |
b91b50c0 | 1391 | } |
6931c138 WD |
1392 | /* Make sure that if we unduplicate '.', that we don't |
1393 | * lose track of a user-specified starting point (or | |
1394 | * else deletions will mysteriously fail with -R). */ | |
1395 | if (flist->files[i]->flags & FLAG_DELETE) | |
1396 | flist->files[prev_i]->flags |= FLAG_DELETE; | |
b91b50c0 WD |
1397 | /* it's not great that the flist knows the semantics of |
1398 | * the file memory usage, but i'd rather not add a flag | |
1399 | * byte to that struct. | |
1400 | * XXX can i use a bit in the flags field? */ | |
3d382777 AT |
1401 | if (flist->string_area) |
1402 | flist->files[i][0] = null_file; | |
1403 | else | |
1404 | free_file(flist->files[i]); | |
728d0922 | 1405 | } else |
6931c138 | 1406 | prev_i = i; |
3ec4dd97 | 1407 | } |
0199b05f AT |
1408 | |
1409 | if (strip_root) { | |
1410 | /* we need to strip off the root directory in the case | |
1411 | of relative paths, but this must be done _after_ | |
1412 | the sorting phase */ | |
ebed4c3a | 1413 | for (i = 0; i < flist->count; i++) { |
0199b05f AT |
1414 | if (flist->files[i]->dirname && |
1415 | flist->files[i]->dirname[0] == '/') { | |
1416 | memmove(&flist->files[i]->dirname[0], | |
1417 | &flist->files[i]->dirname[1], | |
1418 | strlen(flist->files[i]->dirname)); | |
1419 | } | |
ebed4c3a MP |
1420 | |
1421 | if (flist->files[i]->dirname && | |
0199b05f AT |
1422 | !flist->files[i]->dirname[0]) { |
1423 | flist->files[i]->dirname = NULL; | |
1424 | } | |
1425 | } | |
1426 | } | |
1427 | ||
ebed4c3a MP |
1428 | if (verbose <= 3) |
1429 | return; | |
0199b05f | 1430 | |
ebed4c3a | 1431 | for (i = 0; i < flist->count; i++) { |
1ef00d20 WD |
1432 | rprintf(FINFO, "[%ld] i=%d %s %s mode=0%o len=%.0f\n", |
1433 | (long) getpid(), i, | |
74e708d8 AT |
1434 | NS(flist->files[i]->dirname), |
1435 | NS(flist->files[i]->basename), | |
08a740ff | 1436 | (int) flist->files[i]->mode, |
ebed4c3a | 1437 | (double) flist->files[i]->length); |
0199b05f | 1438 | } |
3ec4dd97 AT |
1439 | } |
1440 | ||
1441 | ||
8018edd3 WD |
1442 | enum fnc_state { fnc_DIR, fnc_SLASH, fnc_BASE }; |
1443 | ||
1444 | /* Compare the names of two file_struct entities, just like strcmp() | |
1445 | * would do if it were operating on the joined strings. We assume | |
1446 | * that there are no 0-length strings. | |
3ec4dd97 | 1447 | */ |
8018edd3 | 1448 | int f_name_cmp(struct file_struct *f1, struct file_struct *f2) |
3ec4dd97 | 1449 | { |
8018edd3 WD |
1450 | int dif; |
1451 | const uchar *c1, *c2; | |
1ef00d20 | 1452 | enum fnc_state state1, state2; |
8018edd3 WD |
1453 | |
1454 | if (!f1 || !f1->basename) { | |
1455 | if (!f2 || !f2->basename) | |
1456 | return 0; | |
1457 | return -1; | |
1458 | } | |
1459 | if (!f2 || !f2->basename) | |
1460 | return 1; | |
1461 | ||
e90b8ace | 1462 | if (!(c1 = (uchar*)f1->dirname)) { |
8018edd3 | 1463 | state1 = fnc_BASE; |
e90b8ace | 1464 | c1 = (uchar*)f1->basename; |
728d0922 | 1465 | } else |
1ef00d20 | 1466 | state1 = fnc_DIR; |
e90b8ace | 1467 | if (!(c2 = (uchar*)f2->dirname)) { |
8018edd3 | 1468 | state2 = fnc_BASE; |
e90b8ace | 1469 | c2 = (uchar*)f2->basename; |
728d0922 | 1470 | } else |
1ef00d20 | 1471 | state2 = fnc_DIR; |
8018edd3 WD |
1472 | |
1473 | while (1) { | |
1474 | if ((dif = (int)*c1 - (int)*c2) != 0) | |
1475 | break; | |
1476 | if (!*++c1) { | |
1477 | switch (state1) { | |
1478 | case fnc_DIR: | |
1479 | state1 = fnc_SLASH; | |
e90b8ace | 1480 | c1 = (uchar*)"/"; |
8018edd3 WD |
1481 | break; |
1482 | case fnc_SLASH: | |
1483 | state1 = fnc_BASE; | |
e90b8ace | 1484 | c1 = (uchar*)f1->basename; |
8018edd3 WD |
1485 | break; |
1486 | case fnc_BASE: | |
1487 | break; | |
1488 | } | |
1489 | } | |
1490 | if (!*++c2) { | |
1491 | switch (state2) { | |
1492 | case fnc_DIR: | |
1493 | state2 = fnc_SLASH; | |
e90b8ace | 1494 | c2 = (uchar*)"/"; |
8018edd3 WD |
1495 | break; |
1496 | case fnc_SLASH: | |
1497 | state2 = fnc_BASE; | |
e90b8ace | 1498 | c2 = (uchar*)f2->basename; |
8018edd3 WD |
1499 | break; |
1500 | case fnc_BASE: | |
1501 | if (!*c1) | |
1502 | return 0; | |
1503 | break; | |
1504 | } | |
1505 | } | |
1506 | } | |
1507 | ||
1508 | return dif; | |
1509 | } | |
1510 | ||
3ec4dd97 | 1511 | |
8018edd3 WD |
1512 | /* Return a copy of the full filename of a flist entry, using the indicated |
1513 | * buffer. | |
1514 | */ | |
b7736c79 | 1515 | char *f_name_to(struct file_struct *f, char *fbuf, int bsize) |
8018edd3 | 1516 | { |
ebed4c3a MP |
1517 | if (!f || !f->basename) |
1518 | return NULL; | |
3ec4dd97 | 1519 | |
3ec4dd97 | 1520 | if (f->dirname) { |
b7736c79 WD |
1521 | int off = strlcpy(fbuf, f->dirname, bsize); |
1522 | off += strlcpy(fbuf + off, "/", bsize - off); | |
1523 | strlcpy(fbuf + off, f->basename, bsize - off); | |
8018edd3 | 1524 | } else |
b7736c79 WD |
1525 | strlcpy(fbuf, f->basename, bsize); |
1526 | return fbuf; | |
8018edd3 | 1527 | } |
e03dfae5 | 1528 | |
3ec4dd97 | 1529 | |
8018edd3 WD |
1530 | /* Like f_name_to(), but we rotate through 5 static buffers of our own. |
1531 | */ | |
1532 | char *f_name(struct file_struct *f) | |
1533 | { | |
1534 | static char names[5][MAXPATHLEN]; | |
1535 | static unsigned int n; | |
1536 | ||
1537 | n = (n + 1) % (sizeof names / sizeof names[0]); | |
1538 | ||
1539 | return f_name_to(f, names[n], sizeof names[0]); | |
c627d613 | 1540 | } |