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 | 354 | void send_file_entry(struct file_struct *file, int f, unsigned short base_flags) |
c627d613 | 355 | { |
1ef00d20 | 356 | unsigned short flags; |
5911fee5 WD |
357 | static time_t modtime; |
358 | static mode_t mode; | |
359 | static DEV64_T rdev; /* just high bytes in p28 onward */ | |
360 | static DEV64_T dev; | |
361 | static uid_t uid; | |
362 | static gid_t gid; | |
363 | static char lastname[MAXPATHLEN]; | |
b7736c79 | 364 | char *fname, fbuf[MAXPATHLEN]; |
ebed4c3a | 365 | int l1, l2; |
72914a60 | 366 | |
ebed4c3a MP |
367 | if (f == -1) |
368 | return; | |
72914a60 AT |
369 | |
370 | if (!file) { | |
ebed4c3a | 371 | write_byte(f, 0); |
5911fee5 WD |
372 | modtime = 0, mode = 0; |
373 | rdev = 0, dev = 0; | |
374 | uid = 0, gid = 0; | |
375 | *lastname = '\0'; | |
72914a60 AT |
376 | return; |
377 | } | |
378 | ||
eca2adb4 MP |
379 | io_write_phase = "send_file_entry"; |
380 | ||
b7736c79 | 381 | fname = f_name_to(file, fbuf, sizeof fbuf); |
72914a60 AT |
382 | |
383 | flags = base_flags; | |
384 | ||
30f337c9 | 385 | if (file->mode == mode) |
ebed4c3a | 386 | flags |= SAME_MODE; |
1ef00d20 | 387 | else |
30f337c9 | 388 | mode = file->mode; |
75bc8600 WD |
389 | if (preserve_devices) { |
390 | if (protocol_version < 28) { | |
dd7fb70f | 391 | if (IS_DEVICE(mode) && file->rdev == rdev) { |
30f337c9 WD |
392 | /* Set both flags so that the test when |
393 | * writing the data is simpler. */ | |
394 | flags |= SAME_RDEV_pre28|SAME_HIGH_RDEV; | |
395 | } | |
75bc8600 | 396 | else |
dd7fb70f | 397 | rdev = file->rdev; |
75bc8600 | 398 | } |
30f337c9 | 399 | else if (IS_DEVICE(mode)) { |
dd7fb70f | 400 | if ((file->rdev & ~0xFF) == rdev) |
75bc8600 | 401 | flags |= SAME_HIGH_RDEV; |
30f337c9 | 402 | else |
dd7fb70f | 403 | rdev = file->rdev & ~0xFF; |
75bc8600 WD |
404 | } |
405 | } | |
30f337c9 | 406 | if (file->uid == uid) |
ebed4c3a | 407 | flags |= SAME_UID; |
1ef00d20 | 408 | else |
30f337c9 WD |
409 | uid = file->uid; |
410 | if (file->gid == gid) | |
ebed4c3a | 411 | flags |= SAME_GID; |
1ef00d20 | 412 | else |
30f337c9 WD |
413 | gid = file->gid; |
414 | if (file->modtime == modtime) | |
ebed4c3a | 415 | flags |= SAME_TIME; |
1ef00d20 | 416 | else |
30f337c9 | 417 | modtime = file->modtime; |
c4b4df4f | 418 | if (file->flags & HAS_INODE_DATA) { |
30f337c9 | 419 | if (file->dev == dev) { |
c4b4df4f WD |
420 | if (protocol_version >= 28) |
421 | flags |= SAME_DEV; | |
422 | } | |
423 | else | |
30f337c9 | 424 | dev = file->dev; |
c4b4df4f WD |
425 | flags |= HAS_INODE_DATA; |
426 | } | |
ebed4c3a MP |
427 | |
428 | for (l1 = 0; | |
429 | lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255); | |
dbda5fbf | 430 | l1++) {} |
72914a60 AT |
431 | l2 = strlen(fname) - l1; |
432 | ||
ebed4c3a MP |
433 | if (l1 > 0) |
434 | flags |= SAME_NAME; | |
435 | if (l2 > 255) | |
436 | flags |= LONG_NAME; | |
72914a60 | 437 | |
75bc8600 WD |
438 | /* We must make sure we don't send a zero flags byte or |
439 | * the other end will terminate the flist transfer. */ | |
30f337c9 | 440 | if (flags == 0 && !S_ISDIR(mode)) |
75bc8600 WD |
441 | flags |= FLAG_DELETE; /* NOTE: no meaning for non-dir */ |
442 | if (protocol_version >= 28) { | |
443 | if ((flags & 0xFF00) || flags == 0) { | |
444 | flags |= EXTENDED_FLAGS; | |
445 | write_byte(f, flags); | |
446 | write_byte(f, flags >> 8); | |
447 | } else | |
448 | write_byte(f, flags); | |
449 | } else { | |
450 | if (flags == 0) | |
451 | flags |= LONG_NAME; | |
452 | write_byte(f, flags); | |
453 | } | |
72914a60 | 454 | if (flags & SAME_NAME) |
ebed4c3a | 455 | write_byte(f, l1); |
72914a60 | 456 | if (flags & LONG_NAME) |
ebed4c3a | 457 | write_int(f, l2); |
72914a60 | 458 | else |
ebed4c3a MP |
459 | write_byte(f, l2); |
460 | write_buf(f, fname + l1, l2); | |
72914a60 | 461 | |
ebed4c3a | 462 | write_longint(f, file->length); |
72914a60 | 463 | if (!(flags & SAME_TIME)) |
30f337c9 | 464 | write_int(f, modtime); |
72914a60 | 465 | if (!(flags & SAME_MODE)) |
30f337c9 | 466 | write_int(f, to_wire_mode(mode)); |
72914a60 | 467 | if (preserve_uid && !(flags & SAME_UID)) { |
30f337c9 WD |
468 | add_uid(uid); |
469 | write_int(f, uid); | |
72914a60 AT |
470 | } |
471 | if (preserve_gid && !(flags & SAME_GID)) { | |
30f337c9 WD |
472 | add_gid(gid); |
473 | write_int(f, gid); | |
72914a60 | 474 | } |
30f337c9 | 475 | if (preserve_devices && IS_DEVICE(mode)) { |
0c429465 WD |
476 | /* If SAME_HIGH_RDEV is off, SAME_RDEV_pre28 is also off. |
477 | * Also, avoid using "rdev" because it may be incomplete. */ | |
75bc8600 | 478 | if (!(flags & SAME_HIGH_RDEV)) |
30f337c9 | 479 | write_int(f, file->rdev); |
75bc8600 | 480 | else if (protocol_version >= 28) |
30f337c9 | 481 | write_byte(f, file->rdev); |
75bc8600 | 482 | } |
c627d613 AT |
483 | |
484 | #if SUPPORT_LINKS | |
30f337c9 | 485 | if (preserve_links && S_ISLNK(mode)) { |
ebed4c3a MP |
486 | write_int(f, strlen(file->link)); |
487 | write_buf(f, file->link, strlen(file->link)); | |
72914a60 | 488 | } |
c627d613 AT |
489 | #endif |
490 | ||
dc5ddbcc | 491 | #if SUPPORT_HARD_LINKS |
c4b4df4f | 492 | if (flags & HAS_INODE_DATA) { |
d04e9c51 | 493 | if (protocol_version < 26) { |
736a6a29 | 494 | /* 32-bit dev_t and ino_t */ |
30f337c9 | 495 | write_int(f, dev); |
c4b4df4f | 496 | write_int(f, file->inode); |
736a6a29 MP |
497 | } else { |
498 | /* 64-bit dev_t and ino_t */ | |
c4b4df4f | 499 | if (!(flags & SAME_DEV)) |
30f337c9 | 500 | write_longint(f, dev); |
6abd193f | 501 | write_longint(f, file->inode); |
736a6a29 | 502 | } |
72914a60 | 503 | } |
dc5ddbcc AT |
504 | #endif |
505 | ||
fea4db62 WD |
506 | if (always_checksum && (protocol_version < 28 || S_ISREG(mode))) { |
507 | char *sum = file->sum? file->sum : empty_sum; | |
508 | write_buf(f, sum, protocol_version < 21? 2 | |
509 | : MD4_SUM_LENGTH); | |
ebed4c3a | 510 | } |
182dca5c | 511 | |
ebed4c3a MP |
512 | strlcpy(lastname, fname, MAXPATHLEN); |
513 | lastname[MAXPATHLEN - 1] = 0; | |
eca2adb4 MP |
514 | |
515 | io_write_phase = "unknown"; | |
182dca5c AT |
516 | } |
517 | ||
518 | ||
519 | ||
7b1a0c19 | 520 | void receive_file_entry(struct file_struct **fptr, unsigned short flags, int f) |
182dca5c | 521 | { |
5911fee5 WD |
522 | static time_t modtime; |
523 | static mode_t mode; | |
524 | static DEV64_T rdev; /* just high bytes in p28 onward */ | |
525 | static DEV64_T dev; | |
526 | static uid_t uid; | |
527 | static gid_t gid; | |
528 | static char lastname[MAXPATHLEN]; | |
72914a60 | 529 | char thisname[MAXPATHLEN]; |
ebed4c3a | 530 | unsigned int l1 = 0, l2 = 0; |
72914a60 AT |
531 | char *p; |
532 | struct file_struct *file; | |
533 | ||
5911fee5 WD |
534 | if (!fptr) { |
535 | modtime = 0, mode = 0; | |
536 | rdev = 0, dev = 0; | |
537 | uid = 0, gid = 0; | |
538 | *lastname = '\0'; | |
539 | return; | |
540 | } | |
541 | ||
72914a60 AT |
542 | if (flags & SAME_NAME) |
543 | l1 = read_byte(f); | |
ebed4c3a | 544 | |
72914a60 AT |
545 | if (flags & LONG_NAME) |
546 | l2 = read_int(f); | |
547 | else | |
548 | l2 = read_byte(f); | |
549 | ||
58cadc86 | 550 | file = new(struct file_struct); |
ebed4c3a MP |
551 | if (!file) |
552 | out_of_memory("receive_file_entry"); | |
553 | memset((char *) file, 0, sizeof(*file)); | |
72914a60 AT |
554 | (*fptr) = file; |
555 | ||
ebed4c3a MP |
556 | if (l2 >= MAXPATHLEN - l1) { |
557 | rprintf(FERROR, | |
558 | "overflow: flags=0x%x l1=%d l2=%d lastname=%s\n", | |
d0fd26aa AT |
559 | flags, l1, l2, lastname); |
560 | overflow("receive_file_entry"); | |
561 | } | |
72914a60 | 562 | |
ebed4c3a MP |
563 | strlcpy(thisname, lastname, l1 + 1); |
564 | read_sbuf(f, &thisname[l1], l2); | |
565 | thisname[l1 + l2] = 0; | |
72914a60 | 566 | |
ebed4c3a MP |
567 | strlcpy(lastname, thisname, MAXPATHLEN); |
568 | lastname[MAXPATHLEN - 1] = 0; | |
72914a60 AT |
569 | |
570 | clean_fname(thisname); | |
571 | ||
cb13abfe DD |
572 | if (sanitize_paths) { |
573 | sanitize_path(thisname, NULL); | |
574 | } | |
575 | ||
ebed4c3a | 576 | if ((p = strrchr(thisname, '/'))) { |
72914a60 AT |
577 | static char *lastdir; |
578 | *p = 0; | |
b7736c79 | 579 | if (lastdir && strcmp(thisname, lastdir) == 0) |
72914a60 | 580 | file->dirname = lastdir; |
b7736c79 | 581 | else { |
72914a60 AT |
582 | file->dirname = strdup(thisname); |
583 | lastdir = file->dirname; | |
584 | } | |
ebed4c3a | 585 | file->basename = strdup(p + 1); |
72914a60 AT |
586 | } else { |
587 | file->dirname = NULL; | |
588 | file->basename = strdup(thisname); | |
589 | } | |
590 | ||
ebed4c3a MP |
591 | if (!file->basename) |
592 | out_of_memory("receive_file_entry 1"); | |
72914a60 | 593 | |
72914a60 AT |
594 | file->flags = flags; |
595 | file->length = read_longint(f); | |
1ef00d20 | 596 | if (!(flags & SAME_TIME)) |
30f337c9 WD |
597 | modtime = (time_t)read_int(f); |
598 | file->modtime = modtime; | |
1ef00d20 | 599 | if (!(flags & SAME_MODE)) |
30f337c9 WD |
600 | mode = from_wire_mode(read_int(f)); |
601 | file->mode = mode; | |
1ef00d20 WD |
602 | |
603 | if (preserve_uid) { | |
604 | if (!(flags & SAME_UID)) | |
30f337c9 WD |
605 | uid = (uid_t)read_int(f); |
606 | file->uid = uid; | |
1ef00d20 WD |
607 | } |
608 | if (preserve_gid) { | |
609 | if (!(flags & SAME_GID)) | |
30f337c9 WD |
610 | gid = (gid_t)read_int(f); |
611 | file->gid = gid; | |
1ef00d20 WD |
612 | } |
613 | if (preserve_devices) { | |
75bc8600 | 614 | if (protocol_version < 28) { |
30f337c9 WD |
615 | if (IS_DEVICE(mode)) { |
616 | if (!(flags & SAME_RDEV_pre28)) | |
617 | rdev = (DEV64_T)read_int(f); | |
618 | file->rdev = rdev; | |
75bc8600 | 619 | } else |
30f337c9 WD |
620 | rdev = 0; |
621 | } else if (IS_DEVICE(mode)) { | |
622 | if (!(flags & SAME_HIGH_RDEV)) { | |
623 | file->rdev = (DEV64_T)read_int(f); | |
624 | rdev = file->rdev & ~0xFF; | |
625 | } else | |
dd7fb70f | 626 | file->rdev = rdev | (DEV64_T)read_byte(f); |
1ef00d20 | 627 | } |
b7736c79 | 628 | } |
72914a60 | 629 | |
30f337c9 | 630 | if (preserve_links && S_ISLNK(mode)) { |
72914a60 | 631 | int l = read_int(f); |
9dd891bb | 632 | if (l < 0) { |
ebed4c3a | 633 | rprintf(FERROR, "overflow: l=%d\n", l); |
9dd891bb MP |
634 | overflow("receive_file_entry"); |
635 | } | |
58cadc86 | 636 | file->link = new_array(char, l + 1); |
ebed4c3a MP |
637 | if (!file->link) |
638 | out_of_memory("receive_file_entry 2"); | |
639 | read_sbuf(f, file->link, l); | |
b7736c79 | 640 | if (sanitize_paths) |
cb13abfe | 641 | sanitize_path(file->link, file->dirname); |
72914a60 | 642 | } |
dc5ddbcc | 643 | #if SUPPORT_HARD_LINKS |
c4b4df4f | 644 | if (preserve_hard_links && protocol_version < 28 |
30f337c9 | 645 | && S_ISREG(mode)) |
c4b4df4f WD |
646 | file->flags |= HAS_INODE_DATA; |
647 | if (file->flags & HAS_INODE_DATA) { | |
d04e9c51 | 648 | if (protocol_version < 26) { |
30f337c9 | 649 | dev = read_int(f); |
736a6a29 MP |
650 | file->inode = read_int(f); |
651 | } else { | |
c4b4df4f | 652 | if (!(flags & SAME_DEV)) |
30f337c9 | 653 | dev = read_longint(f); |
736a6a29 MP |
654 | file->inode = read_longint(f); |
655 | } | |
30f337c9 | 656 | file->dev = dev; |
72914a60 | 657 | } |
dc5ddbcc | 658 | #endif |
ebed4c3a | 659 | |
72914a60 | 660 | if (always_checksum) { |
7c4f063b | 661 | char *sum; |
fea4db62 WD |
662 | if (S_ISREG(mode)) { |
663 | sum = file->sum = new_array(char, MD4_SUM_LENGTH); | |
664 | if (!sum) | |
665 | out_of_memory("md4 sum"); | |
666 | } else if (protocol_version < 28) { | |
667 | /* Prior to 28, we get a useless set of nulls. */ | |
7c4f063b | 668 | sum = empty_sum; |
fea4db62 WD |
669 | } else |
670 | sum = NULL; | |
671 | if (sum) { | |
672 | read_buf(f, sum, protocol_version < 21? 2 | |
673 | : MD4_SUM_LENGTH); | |
674 | } | |
72914a60 | 675 | } |
ebed4c3a | 676 | |
72914a60 AT |
677 | if (!preserve_perms) { |
678 | extern int orig_umask; | |
679 | /* set an appropriate set of permissions based on original | |
fea4db62 | 680 | * permissions and umask. This emulates what GNU cp does */ |
72914a60 AT |
681 | file->mode &= ~orig_umask; |
682 | } | |
c627d613 AT |
683 | } |
684 | ||
685 | ||
0c5f37d9 AT |
686 | /* determine if a file in a different filesstem should be skipped |
687 | when one_file_system is set. We bascally only want to include | |
688 | the mount points - but they can be hard to find! */ | |
ebed4c3a | 689 | static int skip_filesystem(char *fname, STRUCT_STAT * st) |
0c5f37d9 | 690 | { |
bcacc18b | 691 | STRUCT_STAT st2; |
0c5f37d9 AT |
692 | char *p = strrchr(fname, '/'); |
693 | ||
694 | /* skip all but directories */ | |
ebed4c3a MP |
695 | if (!S_ISDIR(st->st_mode)) |
696 | return 1; | |
0c5f37d9 AT |
697 | |
698 | /* if its not a subdirectory then allow */ | |
ebed4c3a MP |
699 | if (!p) |
700 | return 0; | |
0c5f37d9 AT |
701 | |
702 | *p = 0; | |
703 | if (link_stat(fname, &st2)) { | |
704 | *p = '/'; | |
705 | return 0; | |
706 | } | |
707 | *p = '/'; | |
ebed4c3a | 708 | |
0c5f37d9 AT |
709 | return (st2.st_dev != filesystem_dev); |
710 | } | |
4fe159a8 | 711 | |
3d382777 | 712 | #define STRDUP(ap, p) (ap ? string_area_strdup(ap, p) : strdup(p)) |
87a819ed MP |
713 | /* IRIX cc cares that the operands to the ternary have the same type. */ |
714 | #define MALLOC(ap, i) (ap ? (void*) string_area_malloc(ap, i) : malloc(i)) | |
3d382777 | 715 | |
db719fb0 MP |
716 | /** |
717 | * Create a file_struct for a named file by reading its stat() | |
718 | * information and performing extensive checks against global | |
719 | * options. | |
720 | * | |
721 | * @return the new file, or NULL if there was an error or this file | |
722 | * should be excluded. | |
723 | * | |
724 | * @todo There is a small optimization opportunity here to avoid | |
725 | * stat()ing the file in some circumstances, which has a certain cost. | |
726 | * We are called immediately after doing readdir(), and so we may | |
727 | * already know the d_type of the file. We could for example avoid | |
728 | * statting directories if we're not recursing, but this is not a very | |
729 | * important case. Some systems may not have d_type. | |
730 | **/ | |
429f9828 WD |
731 | struct file_struct *make_file(char *fname, struct string_area **ap, |
732 | int exclude_level) | |
c627d613 | 733 | { |
3ec4dd97 | 734 | struct file_struct *file; |
bcacc18b | 735 | STRUCT_STAT st; |
3ec4dd97 AT |
736 | char sum[SUM_LENGTH]; |
737 | char *p; | |
738 | char cleaned_name[MAXPATHLEN]; | |
b5313607 | 739 | char linkbuf[MAXPATHLEN]; |
ac1a0994 | 740 | extern int module_id; |
3ec4dd97 | 741 | |
37f9805d | 742 | strlcpy(cleaned_name, fname, MAXPATHLEN); |
ebed4c3a | 743 | cleaned_name[MAXPATHLEN - 1] = 0; |
3ec4dd97 | 744 | clean_fname(cleaned_name); |
b7736c79 | 745 | if (sanitize_paths) |
cb13abfe | 746 | sanitize_path(cleaned_name, NULL); |
3ec4dd97 AT |
747 | fname = cleaned_name; |
748 | ||
ebed4c3a | 749 | memset(sum, 0, SUM_LENGTH); |
3ec4dd97 | 750 | |
ebed4c3a | 751 | if (readlink_stat(fname, &st, linkbuf) != 0) { |
76e26e10 | 752 | int save_errno = errno; |
429f9828 | 753 | if (errno == ENOENT && exclude_level != NO_EXCLUDES) { |
dbda5fbf | 754 | /* either symlink pointing nowhere or file that |
1b85e3f1 DD |
755 | * was removed during rsync run; see if excluded |
756 | * before reporting an error */ | |
429f9828 | 757 | if (check_exclude_file(fname, 0, exclude_level)) { |
76e26e10 DD |
758 | /* file is excluded anyway, ignore silently */ |
759 | return NULL; | |
760 | } | |
761 | } | |
06c28400 | 762 | io_error |= IOERR_GENERAL; |
ea42541f WD |
763 | rprintf(FERROR, "readlink %s failed: %s\n", |
764 | full_fname(fname), strerror(save_errno)); | |
3ec4dd97 AT |
765 | return NULL; |
766 | } | |
c627d613 | 767 | |
429f9828 WD |
768 | /* backup.c calls us with exclude_level set to NO_EXCLUDES. */ |
769 | if (exclude_level == NO_EXCLUDES) | |
ebed4c3a | 770 | goto skip_excludes; |
ac1a0994 | 771 | |
24d0fcde | 772 | if (S_ISDIR(st.st_mode) && !recurse && !files_from) { |
ebed4c3a | 773 | rprintf(FINFO, "skipping directory %s\n", fname); |
3ec4dd97 AT |
774 | return NULL; |
775 | } | |
ebed4c3a | 776 | |
0c5f37d9 AT |
777 | if (one_file_system && st.st_dev != filesystem_dev) { |
778 | if (skip_filesystem(fname, &st)) | |
779 | return NULL; | |
780 | } | |
ebed4c3a | 781 | |
429f9828 | 782 | if (check_exclude_file(fname, S_ISDIR(st.st_mode) != 0, exclude_level)) |
76e26e10 DD |
783 | return NULL; |
784 | ||
ebed4c3a | 785 | if (lp_ignore_nonreadable(module_id) && access(fname, R_OK) != 0) |
ac1a0994 AT |
786 | return NULL; |
787 | ||
ebed4c3a | 788 | skip_excludes: |
ac1a0994 | 789 | |
3ec4dd97 | 790 | if (verbose > 2) |
429f9828 | 791 | rprintf(FINFO, "make_file(%s,*,%d)\n", fname, exclude_level); |
ebed4c3a | 792 | |
58cadc86 | 793 | file = new(struct file_struct); |
ebed4c3a MP |
794 | if (!file) |
795 | out_of_memory("make_file"); | |
796 | memset((char *) file, 0, sizeof(*file)); | |
3ec4dd97 | 797 | |
ebed4c3a | 798 | if ((p = strrchr(fname, '/'))) { |
3ec4dd97 AT |
799 | static char *lastdir; |
800 | *p = 0; | |
b7736c79 | 801 | if (lastdir && strcmp(fname, lastdir) == 0) |
3ec4dd97 | 802 | file->dirname = lastdir; |
b7736c79 | 803 | else { |
a20aa42a | 804 | file->dirname = strdup(fname); |
3ec4dd97 AT |
805 | lastdir = file->dirname; |
806 | } | |
ebed4c3a | 807 | file->basename = STRDUP(ap, p + 1); |
3ec4dd97 AT |
808 | *p = '/'; |
809 | } else { | |
810 | file->dirname = NULL; | |
3d382777 | 811 | file->basename = STRDUP(ap, fname); |
3ec4dd97 | 812 | } |
c627d613 | 813 | |
3ec4dd97 AT |
814 | file->modtime = st.st_mtime; |
815 | file->length = st.st_size; | |
816 | file->mode = st.st_mode; | |
817 | file->uid = st.st_uid; | |
818 | file->gid = st.st_gid; | |
c4b4df4f WD |
819 | if (preserve_hard_links) { |
820 | if (protocol_version < 28? S_ISREG(st.st_mode) | |
821 | : !S_ISDIR(st.st_mode) && st.st_nlink > 1) { | |
822 | file->dev = st.st_dev; | |
823 | file->inode = st.st_ino; | |
824 | file->flags |= HAS_INODE_DATA; | |
825 | } | |
826 | } | |
5f78da20 | 827 | #ifdef HAVE_STRUCT_STAT_ST_RDEV |
3ec4dd97 | 828 | file->rdev = st.st_rdev; |
c627d613 AT |
829 | #endif |
830 | ||
831 | #if SUPPORT_LINKS | |
b7736c79 | 832 | if (S_ISLNK(st.st_mode)) |
3d382777 | 833 | file->link = STRDUP(ap, linkbuf); |
c627d613 AT |
834 | #endif |
835 | ||
fea4db62 WD |
836 | if (always_checksum && S_ISREG(st.st_mode)) { |
837 | file->sum = (char*)MALLOC(ap, MD4_SUM_LENGTH); | |
ebed4c3a MP |
838 | if (!file->sum) |
839 | out_of_memory("md4 sum"); | |
fea4db62 | 840 | file_checksum(fname, file->sum, st.st_size); |
ebed4c3a | 841 | } |
c627d613 | 842 | |
3ec4dd97 AT |
843 | if (flist_dir) { |
844 | static char *lastdir; | |
b7736c79 | 845 | if (lastdir && strcmp(lastdir, flist_dir) == 0) |
3ec4dd97 | 846 | file->basedir = lastdir; |
b7736c79 | 847 | else { |
a20aa42a | 848 | file->basedir = strdup(flist_dir); |
3ec4dd97 AT |
849 | lastdir = file->basedir; |
850 | } | |
b7736c79 | 851 | } else |
3ec4dd97 | 852 | file->basedir = NULL; |
c627d613 | 853 | |
3ec4dd97 | 854 | if (!S_ISDIR(st.st_mode)) |
a800434a | 855 | stats.total_size += st.st_size; |
c627d613 | 856 | |
3ec4dd97 | 857 | return file; |
c627d613 AT |
858 | } |
859 | ||
860 | ||
ebed4c3a | 861 | void send_file_name(int f, struct file_list *flist, char *fname, |
1ef00d20 | 862 | int recursive, unsigned short base_flags) |
c627d613 | 863 | { |
ebed4c3a | 864 | struct file_struct *file; |
b7736c79 | 865 | char fbuf[MAXPATHLEN]; |
429f9828 | 866 | extern int delete_excluded; |
ebed4c3a | 867 | |
429f9828 WD |
868 | /* f is set to -1 when calculating deletion file list */ |
869 | file = make_file(fname, &flist->string_area, | |
870 | f == -1 && delete_excluded? SERVER_EXCLUDES | |
871 | : ALL_EXCLUDES); | |
ebed4c3a MP |
872 | |
873 | if (!file) | |
874 | return; | |
875 | ||
db719fb0 | 876 | maybe_emit_filelist_progress(flist); |
ebed4c3a | 877 | |
d9d6bc52 | 878 | flist_expand(flist); |
ebed4c3a | 879 | |
64c3523a | 880 | if (write_batch) |
1ef00d20 | 881 | file->flags |= FLAG_DELETE; |
ebed4c3a | 882 | |
c120ff37 | 883 | if (file->basename[0]) { |
ebed4c3a MP |
884 | flist->files[flist->count++] = file; |
885 | send_file_entry(file, f, base_flags); | |
886 | } | |
887 | ||
888 | if (S_ISDIR(file->mode) && recursive) { | |
889 | struct exclude_struct **last_exclude_list = | |
890 | local_exclude_list; | |
b7736c79 | 891 | send_directory(f, flist, f_name_to(file, fbuf, sizeof fbuf)); |
ebed4c3a MP |
892 | local_exclude_list = last_exclude_list; |
893 | return; | |
894 | } | |
c627d613 AT |
895 | } |
896 | ||
897 | ||
ebed4c3a | 898 | static void send_directory(int f, struct file_list *flist, char *dir) |
c627d613 | 899 | { |
3ec4dd97 AT |
900 | DIR *d; |
901 | struct dirent *di; | |
902 | char fname[MAXPATHLEN]; | |
903 | int l; | |
904 | char *p; | |
905 | ||
906 | d = opendir(dir); | |
907 | if (!d) { | |
06c28400 | 908 | io_error |= IOERR_GENERAL; |
ea42541f WD |
909 | rprintf(FERROR, "opendir %s failed: %s\n", |
910 | full_fname(dir), strerror(errno)); | |
3ec4dd97 AT |
911 | return; |
912 | } | |
c627d613 | 913 | |
ebed4c3a | 914 | strlcpy(fname, dir, MAXPATHLEN); |
3ec4dd97 | 915 | l = strlen(fname); |
ebed4c3a MP |
916 | if (fname[l - 1] != '/') { |
917 | if (l == MAXPATHLEN - 1) { | |
06c28400 | 918 | io_error |= IOERR_GENERAL; |
ea42541f WD |
919 | rprintf(FERROR, "skipping long-named directory: %s\n", |
920 | full_fname(fname)); | |
3ec4dd97 AT |
921 | closedir(d); |
922 | return; | |
923 | } | |
ebed4c3a | 924 | strlcat(fname, "/", MAXPATHLEN); |
3ec4dd97 AT |
925 | l++; |
926 | } | |
927 | p = fname + strlen(fname); | |
c627d613 | 928 | |
3d913675 AT |
929 | local_exclude_list = NULL; |
930 | ||
3ec4dd97 | 931 | if (cvs_exclude) { |
ebed4c3a MP |
932 | if (strlen(fname) + strlen(".cvsignore") <= MAXPATHLEN - 1) { |
933 | strcpy(p, ".cvsignore"); | |
429f9828 | 934 | add_exclude_file(&exclude_list,fname,MISSING_OK,ADD_EXCLUDE); |
3ec4dd97 | 935 | } else { |
06c28400 | 936 | io_error |= IOERR_GENERAL; |
ebed4c3a MP |
937 | rprintf(FINFO, |
938 | "cannot cvs-exclude in long-named directory %s\n", | |
ea42541f | 939 | full_fname(fname)); |
3ec4dd97 | 940 | } |
ebed4c3a MP |
941 | } |
942 | ||
6a7cc46c | 943 | for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) { |
d6e6ecbd | 944 | char *dname = d_name(di); |
6a7cc46c S |
945 | if (dname[0] == '.' && (dname[1] == '\0' |
946 | || (dname[1] == '.' && dname[2] == '\0'))) | |
3ec4dd97 | 947 | continue; |
ebed4c3a MP |
948 | strlcpy(p, dname, MAXPATHLEN - l); |
949 | send_file_name(f, flist, fname, recurse, 0); | |
3ec4dd97 | 950 | } |
6a7cc46c | 951 | if (errno) { |
06c28400 | 952 | io_error |= IOERR_GENERAL; |
6a7cc46c S |
953 | rprintf(FERROR, "readdir(%s): (%d) %s\n", |
954 | dir, errno, strerror(errno)); | |
955 | } | |
c627d613 | 956 | |
429f9828 WD |
957 | if (local_exclude_list) |
958 | free_exclude_list(&local_exclude_list); /* Zeros pointer too */ | |
3d913675 | 959 | |
3ec4dd97 | 960 | closedir(d); |
c627d613 AT |
961 | } |
962 | ||
963 | ||
c4fea82f | 964 | /** |
429f9828 WD |
965 | * The delete_files() function in receiver.c sets f to -1 so that we just |
966 | * construct the file list in memory without sending it over the wire. It | |
967 | * also has the side-effect of ignoring user-excludes if delete_excluded | |
968 | * is set (so that the delete list includes user-excluded files). | |
c4fea82f | 969 | **/ |
ebed4c3a | 970 | struct file_list *send_file_list(int f, int argc, char *argv[]) |
c627d613 | 971 | { |
24d0fcde | 972 | int l; |
bcacc18b | 973 | STRUCT_STAT st; |
ebed4c3a MP |
974 | char *p, *dir, *olddir; |
975 | char lastpath[MAXPATHLEN] = ""; | |
649d65ed | 976 | struct file_list *flist; |
a800434a | 977 | int64 start_write; |
24d0fcde | 978 | int use_ff_fd = 0; |
649d65ed | 979 | |
1bbd10fe DD |
980 | if (show_filelist_p() && f != -1) |
981 | start_filelist_progress("building file list"); | |
c627d613 | 982 | |
a800434a AT |
983 | start_write = stats.total_written; |
984 | ||
3d382777 | 985 | flist = flist_new(); |
c627d613 | 986 | |
d6dead6b | 987 | if (f != -1) { |
76c21947 | 988 | io_start_buffering_out(f); |
24d0fcde WD |
989 | if (filesfrom_fd >= 0) { |
990 | if (argv[0] && !push_dir(argv[0], 0)) { | |
ea42541f WD |
991 | rprintf(FERROR, "push_dir %s failed: %s\n", |
992 | full_fname(argv[0]), strerror(errno)); | |
24d0fcde WD |
993 | exit_cleanup(RERR_FILESELECT); |
994 | } | |
995 | use_ff_fd = 1; | |
996 | } | |
d6dead6b AT |
997 | } |
998 | ||
24d0fcde | 999 | while (1) { |
fc638474 DD |
1000 | char fname2[MAXPATHLEN]; |
1001 | char *fname = fname2; | |
c627d613 | 1002 | |
24d0fcde WD |
1003 | if (use_ff_fd) { |
1004 | if (read_filesfrom_line(filesfrom_fd, fname) == 0) | |
1005 | break; | |
1006 | sanitize_path(fname, NULL); | |
1007 | } else { | |
1008 | if (argc-- == 0) | |
1009 | break; | |
1010 | strlcpy(fname, *argv++, MAXPATHLEN); | |
1011 | if (sanitize_paths) | |
1012 | sanitize_path(fname, NULL); | |
1013 | } | |
c627d613 | 1014 | |
649d65ed | 1015 | l = strlen(fname); |
6931c138 WD |
1016 | if (fname[l - 1] == '/') { |
1017 | if (l == 2 && fname[0] == '.') { | |
1018 | /* Turn "./" into just "." rather than "./." */ | |
1019 | fname[1] = '\0'; | |
53f821f1 | 1020 | } else { |
ebed4c3a | 1021 | strlcat(fname, ".", MAXPATHLEN); |
53f821f1 | 1022 | } |
649d65ed | 1023 | } |
c627d613 | 1024 | |
ebed4c3a | 1025 | if (link_stat(fname, &st) != 0) { |
f76933b1 | 1026 | if (f != -1) { |
06c28400 | 1027 | io_error |= IOERR_GENERAL; |
ea42541f WD |
1028 | rprintf(FERROR, "link_stat %s failed: %s\n", |
1029 | full_fname(fname), strerror(errno)); | |
f76933b1 | 1030 | } |
649d65ed AT |
1031 | continue; |
1032 | } | |
c627d613 | 1033 | |
24d0fcde | 1034 | if (S_ISDIR(st.st_mode) && !recurse && !files_from) { |
ebed4c3a | 1035 | rprintf(FINFO, "skipping directory %s\n", fname); |
649d65ed AT |
1036 | continue; |
1037 | } | |
c627d613 | 1038 | |
649d65ed | 1039 | dir = NULL; |
2bca43f6 | 1040 | olddir = NULL; |
649d65ed AT |
1041 | |
1042 | if (!relative_paths) { | |
ebed4c3a | 1043 | p = strrchr(fname, '/'); |
649d65ed AT |
1044 | if (p) { |
1045 | *p = 0; | |
ebed4c3a | 1046 | if (p == fname) |
649d65ed AT |
1047 | dir = "/"; |
1048 | else | |
ebed4c3a MP |
1049 | dir = fname; |
1050 | fname = p + 1; | |
649d65ed | 1051 | } |
24d0fcde | 1052 | } else if (f != -1 && implied_dirs && (p=strrchr(fname,'/')) && p != fname) { |
649d65ed AT |
1053 | /* this ensures we send the intermediate directories, |
1054 | thus getting their permissions right */ | |
2154309a | 1055 | char *lp = lastpath, *fn = fname, *slash = fname; |
649d65ed | 1056 | *p = 0; |
2154309a WD |
1057 | /* Skip any initial directories in our path that we |
1058 | * have in common with lastpath. */ | |
1059 | while (*fn && *lp == *fn) { | |
1060 | if (*fn == '/') | |
1061 | slash = fn; | |
1062 | lp++, fn++; | |
1063 | } | |
1064 | *p = '/'; | |
1065 | if (fn != p || (*lp && *lp != '/')) { | |
1066 | int copy_links_saved = copy_links; | |
1067 | int recurse_saved = recurse; | |
1068 | copy_links = copy_unsafe_links; | |
1069 | /* set recurse to 1 to prevent make_file | |
1070 | * from ignoring directory, but still | |
1071 | * turn off the recursive parameter to | |
1072 | * send_file_name */ | |
1073 | recurse = 1; | |
1074 | while ((slash = strchr(slash+1, '/')) != 0) { | |
1075 | *slash = 0; | |
1076 | send_file_name(f, flist, fname, 0, 0); | |
1077 | *slash = '/'; | |
649d65ed | 1078 | } |
2154309a WD |
1079 | copy_links = copy_links_saved; |
1080 | recurse = recurse_saved; | |
1081 | *p = 0; | |
1082 | strlcpy(lastpath, fname, sizeof lastpath); | |
649d65ed AT |
1083 | *p = '/'; |
1084 | } | |
1085 | } | |
ebed4c3a | 1086 | |
649d65ed AT |
1087 | if (!*fname) |
1088 | fname = "."; | |
ebed4c3a | 1089 | |
649d65ed | 1090 | if (dir && *dir) { |
2bca43f6 | 1091 | olddir = push_dir(dir, 1); |
5243c216 AT |
1092 | |
1093 | if (!olddir) { | |
06c28400 | 1094 | io_error |= IOERR_GENERAL; |
ea42541f WD |
1095 | rprintf(FERROR, "push_dir %s failed: %s\n", |
1096 | full_fname(dir), strerror(errno)); | |
649d65ed AT |
1097 | continue; |
1098 | } | |
5243c216 | 1099 | |
649d65ed | 1100 | flist_dir = dir; |
2bca43f6 | 1101 | } |
ebed4c3a | 1102 | |
2bca43f6 DD |
1103 | if (one_file_system) |
1104 | set_filesystem(fname); | |
1105 | ||
ebed4c3a | 1106 | send_file_name(f, flist, fname, recurse, FLAG_DELETE); |
2bca43f6 DD |
1107 | |
1108 | if (olddir != NULL) { | |
649d65ed | 1109 | flist_dir = NULL; |
5243c216 | 1110 | if (pop_dir(olddir) != 0) { |
ea42541f WD |
1111 | rprintf(FERROR, "pop_dir %s failed: %s\n", |
1112 | full_fname(dir), strerror(errno)); | |
65417579 | 1113 | exit_cleanup(RERR_FILESELECT); |
649d65ed | 1114 | } |
649d65ed | 1115 | } |
649d65ed | 1116 | } |
dc5ddbcc | 1117 | |
b7736c79 | 1118 | if (f != -1) |
ebed4c3a | 1119 | send_file_entry(NULL, f, 0); |
c627d613 | 1120 | |
b7736c79 | 1121 | if (show_filelist_p() && f != -1) |
1bbd10fe | 1122 | finish_filelist_progress(flist); |
ebed4c3a | 1123 | |
827c37f6 | 1124 | clean_flist(flist, 0, 0); |
ebed4c3a | 1125 | |
649d65ed | 1126 | /* now send the uid/gid list. This was introduced in protocol |
ebed4c3a | 1127 | version 15 */ |
b7736c79 | 1128 | if (f != -1) |
649d65ed | 1129 | send_uid_list(f); |
f6c34742 | 1130 | |
91c4da3f S |
1131 | /* send the io_error flag */ |
1132 | if (f != -1) { | |
cda2ae84 | 1133 | extern int module_id; |
ebed4c3a | 1134 | write_int(f, lp_ignore_errors(module_id) ? 0 : io_error); |
6ba9279f AT |
1135 | } |
1136 | ||
d6dead6b | 1137 | if (f != -1) { |
a261989c | 1138 | io_end_buffering(); |
a800434a AT |
1139 | stats.flist_size = stats.total_written - start_write; |
1140 | stats.num_files = flist->count; | |
64c3523a | 1141 | if (write_batch) |
ebed4c3a | 1142 | write_batch_flist_info(flist->count, flist->files); |
d6dead6b AT |
1143 | } |
1144 | ||
17faa41c | 1145 | if (verbose > 2) |
ebed4c3a | 1146 | rprintf(FINFO, "send_file_list done\n"); |
17faa41c | 1147 | |
649d65ed | 1148 | return flist; |
c627d613 AT |
1149 | } |
1150 | ||
1151 | ||
1152 | struct file_list *recv_file_list(int f) | |
1153 | { | |
ebed4c3a | 1154 | struct file_list *flist; |
1ef00d20 | 1155 | unsigned short flags; |
ebed4c3a MP |
1156 | int64 start_read; |
1157 | extern int list_only; | |
c627d613 | 1158 | |
1bbd10fe DD |
1159 | if (show_filelist_p()) |
1160 | start_filelist_progress("receiving file list"); | |
c627d613 | 1161 | |
ebed4c3a | 1162 | start_read = stats.total_read; |
a800434a | 1163 | |
58cadc86 | 1164 | flist = new(struct file_list); |
ebed4c3a MP |
1165 | if (!flist) |
1166 | goto oom; | |
c627d613 | 1167 | |
ebed4c3a MP |
1168 | flist->count = 0; |
1169 | flist->malloced = 1000; | |
58cadc86 | 1170 | flist->files = new_array(struct file_struct *, flist->malloced); |
ebed4c3a MP |
1171 | if (!flist->files) |
1172 | goto oom; | |
c627d613 AT |
1173 | |
1174 | ||
1ef00d20 | 1175 | while ((flags = read_byte(f)) != 0) { |
5d2c5c4c | 1176 | int i = flist->count; |
dbda5fbf | 1177 | |
d9d6bc52 | 1178 | flist_expand(flist); |
c627d613 | 1179 | |
75bc8600 WD |
1180 | if (protocol_version >= 28 && (flags & EXTENDED_FLAGS)) |
1181 | flags |= read_byte(f) << 8; | |
ebed4c3a | 1182 | receive_file_entry(&flist->files[i], flags, f); |
c627d613 | 1183 | |
ebed4c3a MP |
1184 | if (S_ISREG(flist->files[i]->mode)) |
1185 | stats.total_size += flist->files[i]->length; | |
c627d613 | 1186 | |
ebed4c3a | 1187 | flist->count++; |
c627d613 | 1188 | |
db719fb0 | 1189 | maybe_emit_filelist_progress(flist); |
1bbd10fe | 1190 | |
8018edd3 | 1191 | if (verbose > 2) { |
ebed4c3a MP |
1192 | rprintf(FINFO, "recv_file_name(%s)\n", |
1193 | f_name(flist->files[i])); | |
8018edd3 | 1194 | } |
ebed4c3a | 1195 | } |
5911fee5 | 1196 | receive_file_entry(NULL, 0, 0); /* Signal that we're done. */ |
c627d613 | 1197 | |
ebed4c3a MP |
1198 | if (verbose > 2) |
1199 | rprintf(FINFO, "received %d names\n", flist->count); | |
c627d613 | 1200 | |
827c37f6 | 1201 | clean_flist(flist, relative_paths, 1); |
c627d613 | 1202 | |
b7736c79 | 1203 | if (show_filelist_p()) |
1bbd10fe | 1204 | finish_filelist_progress(flist); |
a06d19e3 | 1205 | |
ebed4c3a | 1206 | /* now recv the uid/gid list. This was introduced in protocol version 15 */ |
b7736c79 | 1207 | if (f != -1) |
ebed4c3a | 1208 | recv_uid_list(f, flist); |
f6c34742 | 1209 | |
91c4da3f S |
1210 | /* recv the io_error flag */ |
1211 | if (f != -1 && !read_batch) { /* dw-added readbatch */ | |
ebed4c3a MP |
1212 | extern int module_id; |
1213 | extern int ignore_errors; | |
b7736c79 | 1214 | if (lp_ignore_errors(module_id) || ignore_errors) |
ebed4c3a | 1215 | read_int(f); |
b7736c79 | 1216 | else |
ebed4c3a | 1217 | io_error |= read_int(f); |
ebed4c3a | 1218 | } |
6ba9279f | 1219 | |
ebed4c3a MP |
1220 | if (list_only) { |
1221 | int i; | |
b7736c79 | 1222 | for (i = 0; i < flist->count; i++) |
ebed4c3a | 1223 | list_file_entry(flist->files[i]); |
ebed4c3a | 1224 | } |
f7632fc6 AT |
1225 | |
1226 | ||
ebed4c3a MP |
1227 | if (verbose > 2) |
1228 | rprintf(FINFO, "recv_file_list done\n"); | |
17faa41c | 1229 | |
ebed4c3a MP |
1230 | stats.flist_size = stats.total_read - start_read; |
1231 | stats.num_files = flist->count; | |
a800434a | 1232 | |
ebed4c3a | 1233 | return flist; |
c627d613 | 1234 | |
ebed4c3a MP |
1235 | oom: |
1236 | out_of_memory("recv_file_list"); | |
1237 | return NULL; /* not reached */ | |
c627d613 AT |
1238 | } |
1239 | ||
1240 | ||
fa45cda1 | 1241 | int file_compare(struct file_struct **file1, struct file_struct **file2) |
c627d613 | 1242 | { |
fa45cda1 S |
1243 | struct file_struct *f1 = *file1; |
1244 | struct file_struct *f2 = *file2; | |
1245 | ||
1246 | if (!f1->basename && !f2->basename) | |
ebed4c3a | 1247 | return 0; |
fa45cda1 | 1248 | if (!f1->basename) |
ebed4c3a | 1249 | return -1; |
fa45cda1 | 1250 | if (!f2->basename) |
ebed4c3a | 1251 | return 1; |
fa45cda1 S |
1252 | if (f1->dirname == f2->dirname) |
1253 | return u_strcmp(f1->basename, f2->basename); | |
1254 | return f_name_cmp(f1, f2); | |
c627d613 AT |
1255 | } |
1256 | ||
1257 | ||
ebed4c3a | 1258 | int flist_find(struct file_list *flist, struct file_struct *f) |
c627d613 | 1259 | { |
ebed4c3a | 1260 | int low = 0, high = flist->count - 1; |
d966ee25 | 1261 | |
ca23c51a WD |
1262 | while (high >= 0 && !flist->files[high]->basename) high--; |
1263 | ||
1264 | if (high < 0) | |
ebed4c3a | 1265 | return -1; |
d966ee25 AT |
1266 | |
1267 | while (low != high) { | |
ebed4c3a | 1268 | int mid = (low + high) / 2; |
b7736c79 | 1269 | int ret = file_compare(&flist->files[flist_up(flist, mid)],&f); |
ebed4c3a MP |
1270 | if (ret == 0) |
1271 | return flist_up(flist, mid); | |
b7736c79 | 1272 | if (ret > 0) |
ebed4c3a | 1273 | high = mid; |
b7736c79 | 1274 | else |
ebed4c3a | 1275 | low = mid + 1; |
d966ee25 AT |
1276 | } |
1277 | ||
ebed4c3a MP |
1278 | if (file_compare(&flist->files[flist_up(flist, low)], &f) == 0) |
1279 | return flist_up(flist, low); | |
d966ee25 | 1280 | return -1; |
c627d613 AT |
1281 | } |
1282 | ||
1283 | ||
3ec4dd97 AT |
1284 | /* |
1285 | * free up one file | |
1286 | */ | |
66203a98 | 1287 | void free_file(struct file_struct *file) |
c627d613 | 1288 | { |
ebed4c3a MP |
1289 | if (!file) |
1290 | return; | |
1291 | if (file->basename) | |
1292 | free(file->basename); | |
1293 | if (file->link) | |
1294 | free(file->link); | |
1295 | if (file->sum) | |
1296 | free(file->sum); | |
3d382777 | 1297 | *file = null_file; |
3ec4dd97 | 1298 | } |
c627d613 | 1299 | |
c627d613 | 1300 | |
3d382777 AT |
1301 | /* |
1302 | * allocate a new file list | |
1303 | */ | |
1e34e4b7 | 1304 | struct file_list *flist_new(void) |
3d382777 AT |
1305 | { |
1306 | struct file_list *flist; | |
1307 | ||
58cadc86 | 1308 | flist = new(struct file_list); |
ebed4c3a MP |
1309 | if (!flist) |
1310 | out_of_memory("send_file_list"); | |
3d382777 | 1311 | |
ebed4c3a | 1312 | flist->count = 0; |
d9d6bc52 MP |
1313 | flist->malloced = 0; |
1314 | flist->files = NULL; | |
1315 | ||
3d382777 AT |
1316 | #if ARENA_SIZE > 0 |
1317 | flist->string_area = string_area_new(0); | |
1318 | #else | |
5c66303a | 1319 | flist->string_area = NULL; |
3d382777 AT |
1320 | #endif |
1321 | return flist; | |
1322 | } | |
ebed4c3a | 1323 | |
3ec4dd97 AT |
1324 | /* |
1325 | * free up all elements in a flist | |
1326 | */ | |
1327 | void flist_free(struct file_list *flist) | |
1328 | { | |
1329 | int i; | |
ebed4c3a | 1330 | for (i = 1; i < flist->count; i++) { |
3d382777 AT |
1331 | if (!flist->string_area) |
1332 | free_file(flist->files[i]); | |
649d65ed | 1333 | free(flist->files[i]); |
ebed4c3a | 1334 | } |
d9d6bc52 MP |
1335 | /* FIXME: I don't think we generally need to blank the flist |
1336 | * since it's about to be freed. This will just cause more | |
1337 | * memory traffic. If you want a freed-memory debugger, you | |
1338 | * know where to get it. */ | |
ebed4c3a MP |
1339 | memset((char *) flist->files, 0, |
1340 | sizeof(flist->files[0]) * flist->count); | |
3ec4dd97 | 1341 | free(flist->files); |
3d382777 AT |
1342 | if (flist->string_area) |
1343 | string_area_free(flist->string_area); | |
ebed4c3a | 1344 | memset((char *) flist, 0, sizeof(*flist)); |
3ec4dd97 | 1345 | free(flist); |
c627d613 AT |
1346 | } |
1347 | ||
1348 | ||
1349 | /* | |
1350 | * This routine ensures we don't have any duplicate names in our file list. | |
dbda5fbf | 1351 | * duplicate names can cause corruption because of the pipelining |
c627d613 | 1352 | */ |
827c37f6 | 1353 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups) |
c627d613 | 1354 | { |
6931c138 | 1355 | int i, prev_i = 0; |
c627d613 | 1356 | |
ebed4c3a | 1357 | if (!flist || flist->count == 0) |
3ec4dd97 | 1358 | return; |
3ec4dd97 | 1359 | |
ebed4c3a MP |
1360 | qsort(flist->files, flist->count, |
1361 | sizeof(flist->files[0]), (int (*)()) file_compare); | |
1362 | ||
827c37f6 | 1363 | for (i = no_dups? 0 : flist->count; i < flist->count; i++) { |
b91b50c0 | 1364 | if (flist->files[i]->basename) { |
6931c138 | 1365 | prev_i = i; |
b91b50c0 WD |
1366 | break; |
1367 | } | |
1368 | } | |
1369 | while (++i < flist->count) { | |
1370 | if (!flist->files[i]->basename) | |
1371 | continue; | |
8018edd3 | 1372 | if (f_name_cmp(flist->files[i], flist->files[prev_i]) == 0) { |
b91b50c0 | 1373 | if (verbose > 1 && !am_server) { |
ebed4c3a MP |
1374 | rprintf(FINFO, |
1375 | "removing duplicate name %s from file list %d\n", | |
8018edd3 | 1376 | f_name(flist->files[i]), i); |
b91b50c0 | 1377 | } |
6931c138 WD |
1378 | /* Make sure that if we unduplicate '.', that we don't |
1379 | * lose track of a user-specified starting point (or | |
1380 | * else deletions will mysteriously fail with -R). */ | |
1381 | if (flist->files[i]->flags & FLAG_DELETE) | |
1382 | flist->files[prev_i]->flags |= FLAG_DELETE; | |
b91b50c0 WD |
1383 | /* it's not great that the flist knows the semantics of |
1384 | * the file memory usage, but i'd rather not add a flag | |
1385 | * byte to that struct. | |
1386 | * XXX can i use a bit in the flags field? */ | |
3d382777 AT |
1387 | if (flist->string_area) |
1388 | flist->files[i][0] = null_file; | |
1389 | else | |
1390 | free_file(flist->files[i]); | |
ebed4c3a | 1391 | } |
6931c138 WD |
1392 | else |
1393 | prev_i = i; | |
3ec4dd97 | 1394 | } |
0199b05f AT |
1395 | |
1396 | if (strip_root) { | |
1397 | /* we need to strip off the root directory in the case | |
1398 | of relative paths, but this must be done _after_ | |
1399 | the sorting phase */ | |
ebed4c3a | 1400 | for (i = 0; i < flist->count; i++) { |
0199b05f AT |
1401 | if (flist->files[i]->dirname && |
1402 | flist->files[i]->dirname[0] == '/') { | |
1403 | memmove(&flist->files[i]->dirname[0], | |
1404 | &flist->files[i]->dirname[1], | |
1405 | strlen(flist->files[i]->dirname)); | |
1406 | } | |
ebed4c3a MP |
1407 | |
1408 | if (flist->files[i]->dirname && | |
0199b05f AT |
1409 | !flist->files[i]->dirname[0]) { |
1410 | flist->files[i]->dirname = NULL; | |
1411 | } | |
1412 | } | |
1413 | } | |
1414 | ||
ebed4c3a MP |
1415 | if (verbose <= 3) |
1416 | return; | |
0199b05f | 1417 | |
ebed4c3a | 1418 | for (i = 0; i < flist->count; i++) { |
1ef00d20 WD |
1419 | rprintf(FINFO, "[%ld] i=%d %s %s mode=0%o len=%.0f\n", |
1420 | (long) getpid(), i, | |
74e708d8 AT |
1421 | NS(flist->files[i]->dirname), |
1422 | NS(flist->files[i]->basename), | |
08a740ff | 1423 | (int) flist->files[i]->mode, |
ebed4c3a | 1424 | (double) flist->files[i]->length); |
0199b05f | 1425 | } |
3ec4dd97 AT |
1426 | } |
1427 | ||
1428 | ||
8018edd3 WD |
1429 | enum fnc_state { fnc_DIR, fnc_SLASH, fnc_BASE }; |
1430 | ||
1431 | /* Compare the names of two file_struct entities, just like strcmp() | |
1432 | * would do if it were operating on the joined strings. We assume | |
1433 | * that there are no 0-length strings. | |
3ec4dd97 | 1434 | */ |
8018edd3 | 1435 | int f_name_cmp(struct file_struct *f1, struct file_struct *f2) |
3ec4dd97 | 1436 | { |
8018edd3 WD |
1437 | int dif; |
1438 | const uchar *c1, *c2; | |
1ef00d20 | 1439 | enum fnc_state state1, state2; |
8018edd3 WD |
1440 | |
1441 | if (!f1 || !f1->basename) { | |
1442 | if (!f2 || !f2->basename) | |
1443 | return 0; | |
1444 | return -1; | |
1445 | } | |
1446 | if (!f2 || !f2->basename) | |
1447 | return 1; | |
1448 | ||
e90b8ace | 1449 | if (!(c1 = (uchar*)f1->dirname)) { |
8018edd3 | 1450 | state1 = fnc_BASE; |
e90b8ace | 1451 | c1 = (uchar*)f1->basename; |
8018edd3 | 1452 | } |
1ef00d20 WD |
1453 | else |
1454 | state1 = fnc_DIR; | |
e90b8ace | 1455 | if (!(c2 = (uchar*)f2->dirname)) { |
8018edd3 | 1456 | state2 = fnc_BASE; |
e90b8ace | 1457 | c2 = (uchar*)f2->basename; |
8018edd3 | 1458 | } |
1ef00d20 WD |
1459 | else |
1460 | state2 = fnc_DIR; | |
8018edd3 WD |
1461 | |
1462 | while (1) { | |
1463 | if ((dif = (int)*c1 - (int)*c2) != 0) | |
1464 | break; | |
1465 | if (!*++c1) { | |
1466 | switch (state1) { | |
1467 | case fnc_DIR: | |
1468 | state1 = fnc_SLASH; | |
e90b8ace | 1469 | c1 = (uchar*)"/"; |
8018edd3 WD |
1470 | break; |
1471 | case fnc_SLASH: | |
1472 | state1 = fnc_BASE; | |
e90b8ace | 1473 | c1 = (uchar*)f1->basename; |
8018edd3 WD |
1474 | break; |
1475 | case fnc_BASE: | |
1476 | break; | |
1477 | } | |
1478 | } | |
1479 | if (!*++c2) { | |
1480 | switch (state2) { | |
1481 | case fnc_DIR: | |
1482 | state2 = fnc_SLASH; | |
e90b8ace | 1483 | c2 = (uchar*)"/"; |
8018edd3 WD |
1484 | break; |
1485 | case fnc_SLASH: | |
1486 | state2 = fnc_BASE; | |
e90b8ace | 1487 | c2 = (uchar*)f2->basename; |
8018edd3 WD |
1488 | break; |
1489 | case fnc_BASE: | |
1490 | if (!*c1) | |
1491 | return 0; | |
1492 | break; | |
1493 | } | |
1494 | } | |
1495 | } | |
1496 | ||
1497 | return dif; | |
1498 | } | |
1499 | ||
3ec4dd97 | 1500 | |
8018edd3 WD |
1501 | /* Return a copy of the full filename of a flist entry, using the indicated |
1502 | * buffer. | |
1503 | */ | |
b7736c79 | 1504 | char *f_name_to(struct file_struct *f, char *fbuf, int bsize) |
8018edd3 | 1505 | { |
ebed4c3a MP |
1506 | if (!f || !f->basename) |
1507 | return NULL; | |
3ec4dd97 | 1508 | |
3ec4dd97 | 1509 | if (f->dirname) { |
b7736c79 WD |
1510 | int off = strlcpy(fbuf, f->dirname, bsize); |
1511 | off += strlcpy(fbuf + off, "/", bsize - off); | |
1512 | strlcpy(fbuf + off, f->basename, bsize - off); | |
8018edd3 | 1513 | } else |
b7736c79 WD |
1514 | strlcpy(fbuf, f->basename, bsize); |
1515 | return fbuf; | |
8018edd3 | 1516 | } |
e03dfae5 | 1517 | |
3ec4dd97 | 1518 | |
8018edd3 WD |
1519 | /* Like f_name_to(), but we rotate through 5 static buffers of our own. |
1520 | */ | |
1521 | char *f_name(struct file_struct *f) | |
1522 | { | |
1523 | static char names[5][MAXPATHLEN]; | |
1524 | static unsigned int n; | |
1525 | ||
1526 | n = (n + 1) % (sizeof names / sizeof names[0]); | |
1527 | ||
1528 | return f_name_to(f, names[n], sizeof names[0]); | |
c627d613 | 1529 | } |