Commit | Line | Data |
---|---|---|
dbda5fbf | 1 | /* |
c627d613 AT |
2 | Copyright (C) Andrew Tridgell 1996 |
3 | Copyright (C) Paul Mackerras 1996 | |
736a6a29 | 4 | Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org> |
dbda5fbf | 5 | |
c627d613 AT |
6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
dbda5fbf | 10 | |
c627d613 AT |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
dbda5fbf | 15 | |
c627d613 AT |
16 | You should have received a copy of the GNU General Public License |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | */ | |
20 | ||
736a6a29 MP |
21 | /** @file flist.c |
22 | * Generate and receive file lists | |
23 | * | |
172875cf MP |
24 | * @sa http://lists.samba.org/pipermail/rsync/2000-June/002351.html |
25 | * | |
736a6a29 | 26 | **/ |
c627d613 AT |
27 | |
28 | #include "rsync.h" | |
29 | ||
a800434a AT |
30 | extern struct stats stats; |
31 | ||
c627d613 | 32 | extern int verbose; |
1bbd10fe | 33 | extern int do_progress; |
f05f993e | 34 | extern int am_root; |
c627d613 AT |
35 | extern int am_server; |
36 | extern int always_checksum; | |
983b1ed3 WD |
37 | extern int module_id; |
38 | extern int ignore_errors; | |
4836c3ee | 39 | extern int numeric_ids; |
c627d613 AT |
40 | |
41 | extern int cvs_exclude; | |
42 | ||
a06d19e3 | 43 | extern int recurse; |
808c57c3 | 44 | extern char curr_dir[MAXPATHLEN]; |
24d0fcde WD |
45 | extern char *files_from; |
46 | extern int filesfrom_fd; | |
a06d19e3 | 47 | |
c627d613 AT |
48 | extern int one_file_system; |
49 | extern int make_backups; | |
50 | extern int preserve_links; | |
dc5ddbcc | 51 | extern int preserve_hard_links; |
c627d613 AT |
52 | extern int preserve_perms; |
53 | extern int preserve_devices; | |
54 | extern int preserve_uid; | |
55 | extern int preserve_gid; | |
56 | extern int preserve_times; | |
6574b4f7 | 57 | extern int relative_paths; |
24d0fcde | 58 | extern int implied_dirs; |
82306bf6 | 59 | extern int copy_links; |
b5313607 | 60 | extern int copy_unsafe_links; |
d04e9c51 | 61 | extern int protocol_version; |
cb13abfe | 62 | extern int sanitize_paths; |
c627d613 | 63 | |
6902ed17 MP |
64 | extern int read_batch; |
65 | extern int write_batch; | |
66 | ||
429f9828 WD |
67 | extern struct exclude_struct **exclude_list; |
68 | extern struct exclude_struct **server_exclude_list; | |
69 | extern struct exclude_struct **local_exclude_list; | |
c627d613 | 70 | |
06c28400 WD |
71 | int io_error; |
72 | ||
fea4db62 | 73 | static char empty_sum[MD4_SUM_LENGTH]; |
61dec11a | 74 | static unsigned int min_file_struct_len; |
3d382777 | 75 | |
827c37f6 | 76 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups); |
cefed3e8 | 77 | static void output_flist(struct file_list *flist); |
0199b05f | 78 | |
58225000 | 79 | |
61dec11a WD |
80 | void init_flist(void) |
81 | { | |
1f9ae80a | 82 | struct file_struct f; |
61dec11a | 83 | |
1f9ae80a WD |
84 | /* Figure out how big the file_struct is without trailing padding */ |
85 | min_file_struct_len = ((char*)&f.flags - (char*)&f) + sizeof f.flags; | |
61dec11a WD |
86 | } |
87 | ||
88 | ||
1bbd10fe | 89 | static int show_filelist_p(void) |
58225000 | 90 | { |
24d0fcde | 91 | return verbose && (recurse || files_from) && !am_server; |
1bbd10fe | 92 | } |
ebed4c3a | 93 | |
1bbd10fe DD |
94 | static void start_filelist_progress(char *kind) |
95 | { | |
96 | rprintf(FINFO, "%s ... ", kind); | |
97 | if ((verbose > 1) || do_progress) | |
98 | rprintf(FINFO, "\n"); | |
99 | rflush(FINFO); | |
58225000 MP |
100 | } |
101 | ||
db719fb0 | 102 | |
d27cbec5 | 103 | static void emit_filelist_progress(const struct file_list *flist) |
db719fb0 | 104 | { |
d27cbec5 | 105 | rprintf(FINFO, " %d files...\r", flist->count); |
db719fb0 MP |
106 | } |
107 | ||
108 | ||
d27cbec5 | 109 | static void maybe_emit_filelist_progress(const struct file_list *flist) |
58225000 | 110 | { |
d27cbec5 DD |
111 | if (do_progress && show_filelist_p() && ((flist->count % 100) == 0)) |
112 | emit_filelist_progress(flist); | |
58225000 MP |
113 | } |
114 | ||
115 | ||
1bbd10fe | 116 | static void finish_filelist_progress(const struct file_list *flist) |
58225000 | 117 | { |
1bbd10fe DD |
118 | if (do_progress) { |
119 | /* This overwrites the progress line */ | |
c7b562be MP |
120 | rprintf(FINFO, "%d file%sto consider\n", |
121 | flist->count, flist->count == 1 ? " " : "s "); | |
b7736c79 | 122 | } else |
1bbd10fe | 123 | rprintf(FINFO, "done\n"); |
58225000 MP |
124 | } |
125 | ||
86943126 MP |
126 | void show_flist_stats(void) |
127 | { | |
128 | /* Nothing yet */ | |
129 | } | |
130 | ||
131 | ||
f7632fc6 AT |
132 | static void list_file_entry(struct file_struct *f) |
133 | { | |
740819ef | 134 | char perms[11]; |
f7632fc6 | 135 | |
7212be92 DD |
136 | if (!f->basename) |
137 | /* this can happen if duplicate names were removed */ | |
138 | return; | |
139 | ||
740819ef MP |
140 | permstring(perms, f->mode); |
141 | ||
0d162bd1 | 142 | #if SUPPORT_LINKS |
f7632fc6 | 143 | if (preserve_links && S_ISLNK(f->mode)) { |
ebed4c3a MP |
144 | rprintf(FINFO, "%s %11.0f %s %s -> %s\n", |
145 | perms, | |
146 | (double) f->length, timestring(f->modtime), | |
728d0922 | 147 | f_name(f), f->u.link); |
0d162bd1 WD |
148 | } else |
149 | #endif | |
ebed4c3a MP |
150 | rprintf(FINFO, "%s %11.0f %s %s\n", |
151 | perms, | |
152 | (double) f->length, timestring(f->modtime), | |
153 | f_name(f)); | |
f7632fc6 AT |
154 | } |
155 | ||
156 | ||
bd9e9ecc MP |
157 | /** |
158 | * Stat either a symlink or its referent, depending on the settings of | |
159 | * copy_links, copy_unsafe_links, etc. | |
160 | * | |
4e5db0ad MP |
161 | * @retval -1 on error |
162 | * | |
163 | * @retval 0 for success | |
164 | * | |
165 | * @post If @p path is a symlink, then @p linkbuf (of size @c | |
bd9e9ecc | 166 | * MAXPATHLEN) contains the symlink target. |
4e5db0ad MP |
167 | * |
168 | * @post @p buffer contains information about the link or the | |
169 | * referrent as appropriate, if they exist. | |
bd9e9ecc | 170 | **/ |
b7736c79 | 171 | int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf) |
b5313607 DD |
172 | { |
173 | #if SUPPORT_LINKS | |
b7736c79 | 174 | if (copy_links) |
6f2623fd | 175 | return do_stat(path, buffer); |
b7736c79 | 176 | if (do_lstat(path, buffer) == -1) |
b5313607 | 177 | return -1; |
6f2623fd | 178 | if (S_ISLNK(buffer->st_mode)) { |
b7736c79 | 179 | int l = readlink((char *) path, linkbuf, MAXPATHLEN - 1); |
dbda5fbf | 180 | if (l == -1) |
b5313607 | 181 | return -1; |
6f2623fd | 182 | linkbuf[l] = 0; |
fc638474 DD |
183 | if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) { |
184 | if (verbose > 1) { | |
dbda5fbf | 185 | rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n", |
fc638474 DD |
186 | path, linkbuf); |
187 | } | |
6f2623fd | 188 | return do_stat(path, buffer); |
b5313607 DD |
189 | } |
190 | } | |
191 | return 0; | |
192 | #else | |
6f2623fd | 193 | return do_stat(path, buffer); |
b5313607 DD |
194 | #endif |
195 | } | |
196 | ||
6f2623fd | 197 | int link_stat(const char *path, STRUCT_STAT * buffer) |
82306bf6 AT |
198 | { |
199 | #if SUPPORT_LINKS | |
b7736c79 | 200 | if (copy_links) |
6f2623fd | 201 | return do_stat(path, buffer); |
b7736c79 | 202 | return do_lstat(path, buffer); |
82306bf6 | 203 | #else |
6f2623fd | 204 | return do_stat(path, buffer); |
82306bf6 AT |
205 | #endif |
206 | } | |
207 | ||
c627d613 | 208 | /* |
429f9828 WD |
209 | * This function is used to check if a file should be included/excluded |
210 | * from the list of files based on its name and type etc. The value of | |
211 | * exclude_level is set to either SERVER_EXCLUDES or ALL_EXCLUDES. | |
c627d613 | 212 | */ |
429f9828 | 213 | static int check_exclude_file(char *fname, int is_dir, int exclude_level) |
c627d613 | 214 | { |
7d687932 | 215 | #if 0 /* This currently never happens, so avoid a useless compare. */ |
429f9828 WD |
216 | if (exclude_level == NO_EXCLUDES) |
217 | return 0; | |
218 | #endif | |
6931c138 | 219 | if (fname) { |
429f9828 | 220 | /* never exclude '.', even if somebody does --exclude '*' */ |
6931c138 WD |
221 | if (fname[0] == '.' && !fname[1]) |
222 | return 0; | |
223 | /* Handle the -R version of the '.' dir. */ | |
224 | if (fname[0] == '/') { | |
225 | int len = strlen(fname); | |
226 | if (fname[len-1] == '.' && fname[len-2] == '/') | |
227 | return 0; | |
228 | } | |
76e26e10 | 229 | } |
6931c138 WD |
230 | if (server_exclude_list |
231 | && check_exclude(server_exclude_list, fname, is_dir)) | |
429f9828 WD |
232 | return 1; |
233 | if (exclude_level != ALL_EXCLUDES) | |
234 | return 0; | |
235 | if (exclude_list && check_exclude(exclude_list, fname, is_dir)) | |
236 | return 1; | |
6931c138 WD |
237 | if (local_exclude_list |
238 | && check_exclude(local_exclude_list, fname, is_dir)) | |
76e26e10 | 239 | return 1; |
76e26e10 | 240 | return 0; |
c627d613 AT |
241 | } |
242 | ||
243 | /* used by the one_file_system code */ | |
244 | static dev_t filesystem_dev; | |
245 | ||
246 | static void set_filesystem(char *fname) | |
247 | { | |
ebed4c3a MP |
248 | STRUCT_STAT st; |
249 | if (link_stat(fname, &st) != 0) | |
250 | return; | |
251 | filesystem_dev = st.st_dev; | |
c627d613 AT |
252 | } |
253 | ||
254 | ||
b280a1f4 AT |
255 | static int to_wire_mode(mode_t mode) |
256 | { | |
0d162bd1 | 257 | #if SUPPORT_LINKS |
b7736c79 | 258 | if (S_ISLNK(mode) && (_S_IFLNK != 0120000)) |
b280a1f4 | 259 | return (mode & ~(_S_IFMT)) | 0120000; |
0d162bd1 | 260 | #endif |
ebed4c3a | 261 | return (int) mode; |
b280a1f4 AT |
262 | } |
263 | ||
264 | static mode_t from_wire_mode(int mode) | |
265 | { | |
b7736c79 | 266 | if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000)) |
efe3037c | 267 | return (mode & ~(_S_IFMT)) | _S_IFLNK; |
ebed4c3a | 268 | return (mode_t) mode; |
b280a1f4 AT |
269 | } |
270 | ||
271 | ||
ebed4c3a | 272 | static void send_directory(int f, struct file_list *flist, char *dir); |
c627d613 | 273 | |
3a6a366f | 274 | static char *flist_dir; |
882e6893 | 275 | static int flist_dir_len; |
c627d613 | 276 | |
3ec4dd97 | 277 | |
d9d6bc52 MP |
278 | /** |
279 | * Make sure @p flist is big enough to hold at least @p flist->count | |
280 | * entries. | |
281 | **/ | |
282 | static void flist_expand(struct file_list *flist) | |
283 | { | |
284 | if (flist->count >= flist->malloced) { | |
2e7d1994 | 285 | void *new_ptr; |
dbda5fbf | 286 | |
d9d6bc52 MP |
287 | if (flist->malloced < 1000) |
288 | flist->malloced += 1000; | |
289 | else | |
290 | flist->malloced *= 2; | |
2e7d1994 | 291 | |
58cadc86 WD |
292 | if (flist->files) { |
293 | new_ptr = realloc_array(flist->files, | |
294 | struct file_struct *, | |
295 | flist->malloced); | |
296 | } else { | |
297 | new_ptr = new_array(struct file_struct *, | |
298 | flist->malloced); | |
299 | } | |
2e7d1994 | 300 | |
1d5a1da9 | 301 | if (verbose >= 2) { |
ea847c62 | 302 | rprintf(FINFO, "[%s] expand file_list to %.0f bytes, did%s move\n", |
bd6abc49 S |
303 | who_am_i(), |
304 | (double) sizeof flist->files[0] * flist->malloced, | |
305 | (new_ptr == flist->files) ? " not" : ""); | |
2e7d1994 | 306 | } |
dbda5fbf | 307 | |
2e7d1994 MP |
308 | flist->files = (struct file_struct **) new_ptr; |
309 | ||
d9d6bc52 MP |
310 | if (!flist->files) |
311 | out_of_memory("flist_expand"); | |
312 | } | |
313 | } | |
314 | ||
7b1a0c19 | 315 | void send_file_entry(struct file_struct *file, int f, unsigned short base_flags) |
c627d613 | 316 | { |
1ef00d20 | 317 | unsigned short flags; |
5911fee5 WD |
318 | static time_t modtime; |
319 | static mode_t mode; | |
22d49dc4 | 320 | static DEV64_T rdev, rdev_high; |
5911fee5 WD |
321 | static DEV64_T dev; |
322 | static uid_t uid; | |
323 | static gid_t gid; | |
324 | static char lastname[MAXPATHLEN]; | |
b7736c79 | 325 | char *fname, fbuf[MAXPATHLEN]; |
ebed4c3a | 326 | int l1, l2; |
72914a60 | 327 | |
ebed4c3a MP |
328 | if (f == -1) |
329 | return; | |
72914a60 AT |
330 | |
331 | if (!file) { | |
ebed4c3a | 332 | write_byte(f, 0); |
5911fee5 | 333 | modtime = 0, mode = 0; |
22d49dc4 | 334 | rdev = 0, rdev_high = 0, dev = 0; |
5911fee5 WD |
335 | uid = 0, gid = 0; |
336 | *lastname = '\0'; | |
72914a60 AT |
337 | return; |
338 | } | |
339 | ||
eca2adb4 MP |
340 | io_write_phase = "send_file_entry"; |
341 | ||
882e6893 | 342 | fname = f_name_to(file, fbuf); |
72914a60 AT |
343 | |
344 | flags = base_flags; | |
345 | ||
30f337c9 | 346 | if (file->mode == mode) |
d01d15e0 | 347 | flags |= XMIT_SAME_MODE; |
1ef00d20 | 348 | else |
30f337c9 | 349 | mode = file->mode; |
75bc8600 WD |
350 | if (preserve_devices) { |
351 | if (protocol_version < 28) { | |
728d0922 WD |
352 | if (IS_DEVICE(mode)) { |
353 | if (file->u.rdev == rdev) { | |
d01d15e0 WD |
354 | /* Set both flags to simplify the test |
355 | * when writing the data. */ | |
356 | flags |= XMIT_SAME_RDEV_pre28 | |
357 | | XMIT_SAME_HIGH_RDEV; | |
728d0922 WD |
358 | } else |
359 | rdev = file->u.rdev; | |
360 | } else | |
361 | rdev = 0; | |
362 | } else if (IS_DEVICE(mode)) { | |
22d49dc4 | 363 | if ((file->u.rdev & ~0xFF) == rdev_high) |
d01d15e0 | 364 | flags |= XMIT_SAME_HIGH_RDEV; |
22d49dc4 WD |
365 | else { |
366 | rdev = file->u.rdev; | |
367 | rdev_high = rdev & ~0xFF; | |
368 | } | |
75bc8600 WD |
369 | } |
370 | } | |
30f337c9 | 371 | if (file->uid == uid) |
d01d15e0 | 372 | flags |= XMIT_SAME_UID; |
1ef00d20 | 373 | else |
30f337c9 WD |
374 | uid = file->uid; |
375 | if (file->gid == gid) | |
d01d15e0 | 376 | flags |= XMIT_SAME_GID; |
1ef00d20 | 377 | else |
30f337c9 WD |
378 | gid = file->gid; |
379 | if (file->modtime == modtime) | |
d01d15e0 | 380 | flags |= XMIT_SAME_TIME; |
1ef00d20 | 381 | else |
30f337c9 | 382 | modtime = file->modtime; |
a289addd | 383 | |
0d162bd1 | 384 | #if SUPPORT_HARD_LINKS |
92cc9dd7 WD |
385 | if (file->link_u.idev) { |
386 | if (file->F_DEV == dev) { | |
c4b4df4f | 387 | if (protocol_version >= 28) |
d01d15e0 | 388 | flags |= XMIT_SAME_DEV; |
728d0922 | 389 | } else |
92cc9dd7 | 390 | dev = file->F_DEV; |
d01d15e0 | 391 | flags |= XMIT_HAS_IDEV_DATA; |
c4b4df4f | 392 | } |
0d162bd1 | 393 | #endif |
ebed4c3a MP |
394 | |
395 | for (l1 = 0; | |
396 | lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255); | |
dbda5fbf | 397 | l1++) {} |
eddd5d12 | 398 | l2 = strlen(fname+l1); |
72914a60 | 399 | |
ebed4c3a | 400 | if (l1 > 0) |
d01d15e0 | 401 | flags |= XMIT_SAME_NAME; |
ebed4c3a | 402 | if (l2 > 255) |
d01d15e0 | 403 | flags |= XMIT_LONG_NAME; |
72914a60 | 404 | |
1aa4caf3 WD |
405 | /* We must make sure we don't send a zero flag byte or the |
406 | * other end will terminate the flist transfer. Note that | |
407 | * the use of XMIT_TOP_DIR on a non-dir has no meaning, so | |
408 | * it's harmless way to add a bit to the first flag byte. */ | |
75bc8600 | 409 | if (protocol_version >= 28) { |
1aa4caf3 WD |
410 | if (!flags && !S_ISDIR(mode)) |
411 | flags |= XMIT_TOP_DIR; | |
412 | if ((flags & 0xFF00) || !flags) { | |
d01d15e0 | 413 | flags |= XMIT_EXTENDED_FLAGS; |
75bc8600 WD |
414 | write_byte(f, flags); |
415 | write_byte(f, flags >> 8); | |
416 | } else | |
417 | write_byte(f, flags); | |
418 | } else { | |
1aa4caf3 WD |
419 | if (!(flags & 0xFF) && !S_ISDIR(mode)) |
420 | flags |= XMIT_TOP_DIR; | |
0a982011 | 421 | if (!(flags & 0xFF)) |
d01d15e0 | 422 | flags |= XMIT_LONG_NAME; |
75bc8600 WD |
423 | write_byte(f, flags); |
424 | } | |
d01d15e0 | 425 | if (flags & XMIT_SAME_NAME) |
ebed4c3a | 426 | write_byte(f, l1); |
d01d15e0 | 427 | if (flags & XMIT_LONG_NAME) |
ebed4c3a | 428 | write_int(f, l2); |
72914a60 | 429 | else |
ebed4c3a MP |
430 | write_byte(f, l2); |
431 | write_buf(f, fname + l1, l2); | |
72914a60 | 432 | |
ebed4c3a | 433 | write_longint(f, file->length); |
d01d15e0 | 434 | if (!(flags & XMIT_SAME_TIME)) |
30f337c9 | 435 | write_int(f, modtime); |
d01d15e0 | 436 | if (!(flags & XMIT_SAME_MODE)) |
30f337c9 | 437 | write_int(f, to_wire_mode(mode)); |
d01d15e0 | 438 | if (preserve_uid && !(flags & XMIT_SAME_UID)) { |
9f7b8c3b WD |
439 | if (!numeric_ids) |
440 | add_uid(uid); | |
30f337c9 | 441 | write_int(f, uid); |
72914a60 | 442 | } |
d01d15e0 | 443 | if (preserve_gid && !(flags & XMIT_SAME_GID)) { |
9f7b8c3b WD |
444 | if (!numeric_ids) |
445 | add_gid(gid); | |
30f337c9 | 446 | write_int(f, gid); |
72914a60 | 447 | } |
30f337c9 | 448 | if (preserve_devices && IS_DEVICE(mode)) { |
d01d15e0 | 449 | /* If XMIT_SAME_HIGH_RDEV is off, XMIT_SAME_RDEV_pre28 is |
22d49dc4 | 450 | * also off. */ |
d01d15e0 | 451 | if (!(flags & XMIT_SAME_HIGH_RDEV)) |
22d49dc4 | 452 | write_int(f, rdev); |
75bc8600 | 453 | else if (protocol_version >= 28) |
22d49dc4 | 454 | write_byte(f, rdev); |
75bc8600 | 455 | } |
c627d613 AT |
456 | |
457 | #if SUPPORT_LINKS | |
30f337c9 | 458 | if (preserve_links && S_ISLNK(mode)) { |
306ffb8c WD |
459 | int len = strlen(file->u.link); |
460 | write_int(f, len); | |
461 | write_buf(f, file->u.link, len); | |
72914a60 | 462 | } |
c627d613 AT |
463 | #endif |
464 | ||
dc5ddbcc | 465 | #if SUPPORT_HARD_LINKS |
d01d15e0 | 466 | if (flags & XMIT_HAS_IDEV_DATA) { |
d04e9c51 | 467 | if (protocol_version < 26) { |
736a6a29 | 468 | /* 32-bit dev_t and ino_t */ |
30f337c9 | 469 | write_int(f, dev); |
92cc9dd7 | 470 | write_int(f, file->F_INODE); |
736a6a29 MP |
471 | } else { |
472 | /* 64-bit dev_t and ino_t */ | |
d01d15e0 | 473 | if (!(flags & XMIT_SAME_DEV)) |
30f337c9 | 474 | write_longint(f, dev); |
92cc9dd7 | 475 | write_longint(f, file->F_INODE); |
736a6a29 | 476 | } |
72914a60 | 477 | } |
dc5ddbcc AT |
478 | #endif |
479 | ||
728d0922 WD |
480 | if (always_checksum) { |
481 | char *sum; | |
482 | if (S_ISREG(mode)) | |
483 | sum = file->u.sum; | |
484 | else if (protocol_version < 28) { | |
485 | /* Prior to 28, we sent a useless set of nulls. */ | |
486 | sum = empty_sum; | |
487 | } else | |
488 | sum = NULL; | |
489 | if (sum) { | |
490 | write_buf(f, sum, protocol_version < 21? 2 | |
491 | : MD4_SUM_LENGTH); | |
492 | } | |
ebed4c3a | 493 | } |
182dca5c | 494 | |
ebed4c3a | 495 | strlcpy(lastname, fname, MAXPATHLEN); |
eca2adb4 MP |
496 | |
497 | io_write_phase = "unknown"; | |
182dca5c AT |
498 | } |
499 | ||
500 | ||
501 | ||
7b1a0c19 | 502 | void receive_file_entry(struct file_struct **fptr, unsigned short flags, int f) |
182dca5c | 503 | { |
5911fee5 WD |
504 | static time_t modtime; |
505 | static mode_t mode; | |
22d49dc4 | 506 | static DEV64_T rdev, rdev_high; |
5911fee5 WD |
507 | static DEV64_T dev; |
508 | static uid_t uid; | |
509 | static gid_t gid; | |
a289addd WD |
510 | static char lastname[MAXPATHLEN], *lastdir; |
511 | static int lastdir_len = -1; | |
72914a60 | 512 | char thisname[MAXPATHLEN]; |
ebed4c3a | 513 | unsigned int l1 = 0, l2 = 0; |
a1d55ad0 | 514 | int alloc_len, basename_len, dirname_len, linkname_len, sum_len; |
61dec11a | 515 | int file_struct_len, idev_len; |
a289addd WD |
516 | OFF_T file_length; |
517 | char *basename, *dirname, *bp; | |
72914a60 AT |
518 | struct file_struct *file; |
519 | ||
5911fee5 WD |
520 | if (!fptr) { |
521 | modtime = 0, mode = 0; | |
22d49dc4 | 522 | rdev = 0, rdev_high = 0, dev = 0; |
5911fee5 WD |
523 | uid = 0, gid = 0; |
524 | *lastname = '\0'; | |
525 | return; | |
526 | } | |
527 | ||
d01d15e0 | 528 | if (flags & XMIT_SAME_NAME) |
72914a60 | 529 | l1 = read_byte(f); |
ebed4c3a | 530 | |
d01d15e0 | 531 | if (flags & XMIT_LONG_NAME) |
72914a60 AT |
532 | l2 = read_int(f); |
533 | else | |
534 | l2 = read_byte(f); | |
535 | ||
ebed4c3a MP |
536 | if (l2 >= MAXPATHLEN - l1) { |
537 | rprintf(FERROR, | |
538 | "overflow: flags=0x%x l1=%d l2=%d lastname=%s\n", | |
d0fd26aa AT |
539 | flags, l1, l2, lastname); |
540 | overflow("receive_file_entry"); | |
541 | } | |
72914a60 | 542 | |
ebed4c3a MP |
543 | strlcpy(thisname, lastname, l1 + 1); |
544 | read_sbuf(f, &thisname[l1], l2); | |
545 | thisname[l1 + l2] = 0; | |
72914a60 | 546 | |
ebed4c3a | 547 | strlcpy(lastname, thisname, MAXPATHLEN); |
72914a60 AT |
548 | |
549 | clean_fname(thisname); | |
550 | ||
0d162bd1 | 551 | if (sanitize_paths) |
cb13abfe | 552 | sanitize_path(thisname, NULL); |
cb13abfe | 553 | |
a289addd WD |
554 | if ((basename = strrchr(thisname, '/')) != NULL) { |
555 | dirname_len = ++basename - thisname; /* counts future '\0' */ | |
556 | if (lastdir_len == dirname_len - 1 | |
557 | && strncmp(thisname, lastdir, lastdir_len) == 0) { | |
558 | dirname = lastdir; | |
559 | dirname_len = 0; /* indicates no copy is needed */ | |
560 | } else | |
561 | dirname = thisname; | |
72914a60 | 562 | } else { |
a289addd WD |
563 | basename = thisname; |
564 | dirname = NULL; | |
565 | dirname_len = 0; | |
72914a60 | 566 | } |
a289addd | 567 | basename_len = strlen(basename) + 1; /* count the '\0' */ |
72914a60 | 568 | |
a289addd | 569 | file_length = read_longint(f); |
d01d15e0 | 570 | if (!(flags & XMIT_SAME_TIME)) |
30f337c9 | 571 | modtime = (time_t)read_int(f); |
d01d15e0 | 572 | if (!(flags & XMIT_SAME_MODE)) |
30f337c9 | 573 | mode = from_wire_mode(read_int(f)); |
1ef00d20 | 574 | |
a289addd WD |
575 | if (preserve_uid && !(flags & XMIT_SAME_UID)) |
576 | uid = (uid_t)read_int(f); | |
577 | if (preserve_gid && !(flags & XMIT_SAME_GID)) | |
578 | gid = (gid_t)read_int(f); | |
579 | ||
1ef00d20 | 580 | if (preserve_devices) { |
75bc8600 | 581 | if (protocol_version < 28) { |
30f337c9 | 582 | if (IS_DEVICE(mode)) { |
d01d15e0 | 583 | if (!(flags & XMIT_SAME_RDEV_pre28)) |
30f337c9 | 584 | rdev = (DEV64_T)read_int(f); |
75bc8600 | 585 | } else |
30f337c9 WD |
586 | rdev = 0; |
587 | } else if (IS_DEVICE(mode)) { | |
d01d15e0 | 588 | if (!(flags & XMIT_SAME_HIGH_RDEV)) { |
22d49dc4 WD |
589 | rdev = (DEV64_T)read_int(f); |
590 | rdev_high = rdev & ~0xFF; | |
30f337c9 | 591 | } else |
22d49dc4 | 592 | rdev = rdev_high | (DEV64_T)read_byte(f); |
1ef00d20 | 593 | } |
b7736c79 | 594 | } |
72914a60 | 595 | |
0d162bd1 | 596 | #if SUPPORT_LINKS |
30f337c9 | 597 | if (preserve_links && S_ISLNK(mode)) { |
a289addd WD |
598 | linkname_len = read_int(f) + 1; /* count the '\0' */ |
599 | if (linkname_len <= 0 || linkname_len > MAXPATHLEN) { | |
600 | rprintf(FERROR, "overflow: linkname_len=%d\n", | |
601 | linkname_len - 1); | |
9dd891bb MP |
602 | overflow("receive_file_entry"); |
603 | } | |
72914a60 | 604 | } |
a289addd | 605 | else |
0d162bd1 | 606 | #endif |
a289addd | 607 | linkname_len = 0; |
0d162bd1 | 608 | |
61dec11a WD |
609 | #if SUPPORT_HARD_LINKS |
610 | if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode)) | |
611 | flags |= XMIT_HAS_IDEV_DATA; | |
612 | if (flags & XMIT_HAS_IDEV_DATA) | |
613 | idev_len = sizeof (struct idev); | |
614 | else | |
615 | #endif | |
616 | idev_len = 0; | |
617 | ||
a289addd | 618 | sum_len = always_checksum && S_ISREG(mode) ? MD4_SUM_LENGTH : 0; |
61dec11a | 619 | file_struct_len = idev_len? sizeof file[0] : min_file_struct_len; |
a289addd | 620 | |
61dec11a WD |
621 | alloc_len = file_struct_len + dirname_len + basename_len |
622 | + linkname_len + sum_len + idev_len; | |
a289addd WD |
623 | if (!(bp = new_array(char, alloc_len))) |
624 | out_of_memory("receive_file_entry"); | |
625 | file = *fptr = (struct file_struct *)bp; | |
61dec11a WD |
626 | memset(bp, 0, min_file_struct_len); |
627 | bp += file_struct_len; | |
a289addd WD |
628 | |
629 | file->flags = flags & XMIT_TOP_DIR ? FLAG_TOP_DIR : 0; | |
630 | file->modtime = modtime; | |
631 | file->length = file_length; | |
632 | file->mode = mode; | |
633 | file->uid = uid; | |
634 | file->gid = gid; | |
635 | ||
61dec11a WD |
636 | #if SUPPORT_HARD_LINKS |
637 | if (idev_len) { | |
638 | file->link_u.idev = (struct idev *)bp; | |
639 | bp += idev_len; | |
640 | } | |
641 | #endif | |
642 | ||
a289addd WD |
643 | if (dirname_len) { |
644 | file->dirname = lastdir = bp; | |
645 | lastdir_len = dirname_len - 1; | |
646 | memcpy(bp, dirname, dirname_len - 1); | |
647 | bp += dirname_len; | |
648 | bp[-1] = '\0'; | |
649 | } else if (dirname) | |
650 | file->dirname = dirname; | |
651 | ||
652 | file->basename = bp; | |
653 | memcpy(bp, basename, basename_len); | |
654 | bp += basename_len; | |
655 | ||
656 | if (preserve_devices && IS_DEVICE(mode)) | |
657 | file->u.rdev = rdev; | |
658 | ||
659 | #if SUPPORT_LINKS | |
660 | if (linkname_len) { | |
661 | file->u.link = bp; | |
662 | read_sbuf(f, bp, linkname_len - 1); | |
663 | if (sanitize_paths) | |
664 | sanitize_path(bp, lastdir); | |
665 | bp += linkname_len; | |
666 | } | |
667 | #endif | |
668 | ||
669 | #if SUPPORT_HARD_LINKS | |
61dec11a | 670 | if (idev_len) { |
d04e9c51 | 671 | if (protocol_version < 26) { |
30f337c9 | 672 | dev = read_int(f); |
92cc9dd7 | 673 | file->F_INODE = read_int(f); |
736a6a29 | 674 | } else { |
d01d15e0 | 675 | if (!(flags & XMIT_SAME_DEV)) |
30f337c9 | 676 | dev = read_longint(f); |
92cc9dd7 | 677 | file->F_INODE = read_longint(f); |
736a6a29 | 678 | } |
92cc9dd7 | 679 | file->F_DEV = dev; |
72914a60 | 680 | } |
dc5ddbcc | 681 | #endif |
ebed4c3a | 682 | |
72914a60 | 683 | if (always_checksum) { |
7c4f063b | 684 | char *sum; |
a289addd WD |
685 | if (sum_len) { |
686 | file->u.sum = sum = bp; | |
687 | /*bp += sum_len;*/ | |
fea4db62 WD |
688 | } else if (protocol_version < 28) { |
689 | /* Prior to 28, we get a useless set of nulls. */ | |
7c4f063b | 690 | sum = empty_sum; |
fea4db62 WD |
691 | } else |
692 | sum = NULL; | |
693 | if (sum) { | |
694 | read_buf(f, sum, protocol_version < 21? 2 | |
695 | : MD4_SUM_LENGTH); | |
696 | } | |
72914a60 | 697 | } |
ebed4c3a | 698 | |
72914a60 AT |
699 | if (!preserve_perms) { |
700 | extern int orig_umask; | |
701 | /* set an appropriate set of permissions based on original | |
fea4db62 | 702 | * permissions and umask. This emulates what GNU cp does */ |
72914a60 AT |
703 | file->mode &= ~orig_umask; |
704 | } | |
c627d613 AT |
705 | } |
706 | ||
707 | ||
db719fb0 MP |
708 | /** |
709 | * Create a file_struct for a named file by reading its stat() | |
710 | * information and performing extensive checks against global | |
711 | * options. | |
712 | * | |
713 | * @return the new file, or NULL if there was an error or this file | |
714 | * should be excluded. | |
715 | * | |
716 | * @todo There is a small optimization opportunity here to avoid | |
717 | * stat()ing the file in some circumstances, which has a certain cost. | |
718 | * We are called immediately after doing readdir(), and so we may | |
719 | * already know the d_type of the file. We could for example avoid | |
720 | * statting directories if we're not recursing, but this is not a very | |
721 | * important case. Some systems may not have d_type. | |
722 | **/ | |
a289addd | 723 | struct file_struct *make_file(char *fname, int exclude_level) |
c627d613 | 724 | { |
a289addd WD |
725 | static char *lastdir; |
726 | static int lastdir_len = -1; | |
3ec4dd97 | 727 | struct file_struct *file; |
bcacc18b | 728 | STRUCT_STAT st; |
3ec4dd97 | 729 | char sum[SUM_LENGTH]; |
1923b1fc | 730 | char thisname[MAXPATHLEN]; |
e0870f1d | 731 | char linkname[MAXPATHLEN]; |
a1d55ad0 | 732 | int alloc_len, basename_len, dirname_len, linkname_len, sum_len; |
61dec11a | 733 | int file_struct_len, idev_len; |
a289addd | 734 | char *basename, *dirname, *bp; |
4844449a | 735 | unsigned short flags = 0; |
3ec4dd97 | 736 | |
1923b1fc WD |
737 | if (strlcpy(thisname, fname, sizeof thisname) |
738 | >= sizeof thisname - flist_dir_len) { | |
882e6893 WD |
739 | rprintf(FINFO, "skipping overly long name: %s\n", fname); |
740 | return NULL; | |
741 | } | |
1923b1fc | 742 | clean_fname(thisname); |
b7736c79 | 743 | if (sanitize_paths) |
1923b1fc | 744 | sanitize_path(thisname, NULL); |
3ec4dd97 | 745 | |
ebed4c3a | 746 | memset(sum, 0, SUM_LENGTH); |
3ec4dd97 | 747 | |
e0870f1d | 748 | if (readlink_stat(thisname, &st, linkname) != 0) { |
76e26e10 | 749 | int save_errno = errno; |
429f9828 | 750 | if (errno == ENOENT && exclude_level != NO_EXCLUDES) { |
dbda5fbf | 751 | /* either symlink pointing nowhere or file that |
1b85e3f1 DD |
752 | * was removed during rsync run; see if excluded |
753 | * before reporting an error */ | |
1923b1fc | 754 | if (check_exclude_file(thisname, 0, exclude_level)) { |
76e26e10 DD |
755 | /* file is excluded anyway, ignore silently */ |
756 | return NULL; | |
757 | } | |
758 | } | |
06c28400 | 759 | io_error |= IOERR_GENERAL; |
ea42541f | 760 | rprintf(FERROR, "readlink %s failed: %s\n", |
1923b1fc | 761 | full_fname(thisname), strerror(save_errno)); |
3ec4dd97 AT |
762 | return NULL; |
763 | } | |
c627d613 | 764 | |
429f9828 WD |
765 | /* backup.c calls us with exclude_level set to NO_EXCLUDES. */ |
766 | if (exclude_level == NO_EXCLUDES) | |
ebed4c3a | 767 | goto skip_excludes; |
ac1a0994 | 768 | |
24d0fcde | 769 | if (S_ISDIR(st.st_mode) && !recurse && !files_from) { |
1923b1fc | 770 | rprintf(FINFO, "skipping directory %s\n", thisname); |
3ec4dd97 AT |
771 | return NULL; |
772 | } | |
ebed4c3a | 773 | |
e90cdb8a WD |
774 | /* We only care about directories because we need to avoid recursing |
775 | * into a mount-point directory, not to avoid copying a symlinked | |
776 | * file if -L (or similar) was specified. */ | |
777 | if (one_file_system && st.st_dev != filesystem_dev | |
778 | && S_ISDIR(st.st_mode)) | |
4844449a | 779 | flags |= FLAG_MOUNT_POINT; |
ebed4c3a | 780 | |
1923b1fc | 781 | if (check_exclude_file(thisname, S_ISDIR(st.st_mode) != 0, exclude_level)) |
76e26e10 DD |
782 | return NULL; |
783 | ||
1923b1fc | 784 | if (lp_ignore_nonreadable(module_id) && access(thisname, R_OK) != 0) |
ac1a0994 AT |
785 | return NULL; |
786 | ||
ebed4c3a | 787 | skip_excludes: |
ac1a0994 | 788 | |
ea847c62 WD |
789 | if (verbose > 2) { |
790 | rprintf(FINFO, "[%s] make_file(%s,*,%d)\n", | |
1923b1fc | 791 | who_am_i(), thisname, exclude_level); |
ea847c62 | 792 | } |
ebed4c3a | 793 | |
a289addd WD |
794 | if ((basename = strrchr(thisname, '/')) != NULL) { |
795 | dirname_len = ++basename - thisname; /* counts future '\0' */ | |
796 | if (lastdir_len == dirname_len - 1 | |
797 | && strncmp(thisname, lastdir, lastdir_len) == 0) { | |
798 | dirname = lastdir; | |
799 | dirname_len = 0; /* indicates no copy is needed */ | |
800 | } else | |
801 | dirname = thisname; | |
3ec4dd97 | 802 | } else { |
a289addd WD |
803 | basename = thisname; |
804 | dirname = NULL; | |
805 | dirname_len = 0; | |
3ec4dd97 | 806 | } |
a289addd | 807 | basename_len = strlen(basename) + 1; /* count the '\0' */ |
c627d613 | 808 | |
a289addd WD |
809 | #if SUPPORT_LINKS |
810 | linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0; | |
811 | #else | |
812 | linkname_len = 0; | |
813 | #endif | |
814 | ||
61dec11a | 815 | #if SUPPORT_HARD_LINKS |
b1dab236 | 816 | if (preserve_hard_links) { |
bd6abc49 S |
817 | if (protocol_version < 28) { |
818 | if (S_ISREG(st.st_mode)) | |
819 | idev_len = sizeof (struct idev); | |
b1dab236 WD |
820 | else |
821 | idev_len = 0; | |
bd6abc49 | 822 | } else { |
b1dab236 | 823 | if (!S_ISDIR(st.st_mode) && st.st_nlink > 1) |
bd6abc49 | 824 | idev_len = sizeof (struct idev); |
b1dab236 WD |
825 | else |
826 | idev_len = 0; | |
bd6abc49 | 827 | } |
b1dab236 | 828 | } else |
61dec11a | 829 | #endif |
b1dab236 | 830 | idev_len = 0; |
61dec11a | 831 | |
a289addd | 832 | sum_len = always_checksum && S_ISREG(st.st_mode) ? MD4_SUM_LENGTH : 0; |
61dec11a | 833 | file_struct_len = idev_len? sizeof file[0] : min_file_struct_len; |
a289addd | 834 | |
61dec11a WD |
835 | alloc_len = file_struct_len + dirname_len + basename_len |
836 | + linkname_len + sum_len + idev_len; | |
a289addd WD |
837 | if (!(bp = new_array(char, alloc_len))) |
838 | out_of_memory("receive_file_entry"); | |
839 | file = (struct file_struct *)bp; | |
61dec11a WD |
840 | memset(bp, 0, min_file_struct_len); |
841 | bp += file_struct_len; | |
a289addd WD |
842 | |
843 | file->flags = flags; | |
3ec4dd97 AT |
844 | file->modtime = st.st_mtime; |
845 | file->length = st.st_size; | |
846 | file->mode = st.st_mode; | |
847 | file->uid = st.st_uid; | |
848 | file->gid = st.st_gid; | |
0d162bd1 | 849 | |
61dec11a WD |
850 | #if SUPPORT_HARD_LINKS |
851 | if (idev_len) { | |
852 | file->link_u.idev = (struct idev *)bp; | |
853 | bp += idev_len; | |
854 | file->F_DEV = st.st_dev; | |
855 | file->F_INODE = st.st_ino; | |
856 | } | |
857 | #endif | |
858 | ||
a289addd WD |
859 | if (dirname_len) { |
860 | file->dirname = lastdir = bp; | |
861 | lastdir_len = dirname_len - 1; | |
862 | memcpy(bp, dirname, dirname_len - 1); | |
863 | bp += dirname_len; | |
864 | bp[-1] = '\0'; | |
865 | } else if (dirname) | |
866 | file->dirname = dirname; | |
867 | ||
868 | file->basename = bp; | |
869 | memcpy(bp, basename, basename_len); | |
870 | bp += basename_len; | |
871 | ||
0d162bd1 WD |
872 | #ifdef HAVE_STRUCT_STAT_ST_RDEV |
873 | if (preserve_devices && IS_DEVICE(st.st_mode)) | |
874 | file->u.rdev = st.st_rdev; | |
875 | #endif | |
876 | ||
877 | #if SUPPORT_LINKS | |
a289addd WD |
878 | if (linkname_len) { |
879 | file->u.link = bp; | |
880 | memcpy(bp, linkname, linkname_len); | |
881 | bp += linkname_len; | |
882 | } | |
0d162bd1 WD |
883 | #endif |
884 | ||
a289addd WD |
885 | if (sum_len) { |
886 | file->u.sum = bp; | |
887 | file_checksum(thisname, bp, st.st_size); | |
888 | /*bp += sum_len;*/ | |
ebed4c3a | 889 | } |
c627d613 | 890 | |
882e6893 | 891 | file->basedir = flist_dir; |
c627d613 | 892 | |
3ec4dd97 | 893 | if (!S_ISDIR(st.st_mode)) |
a800434a | 894 | stats.total_size += st.st_size; |
c627d613 | 895 | |
3ec4dd97 | 896 | return file; |
c627d613 AT |
897 | } |
898 | ||
899 | ||
ebed4c3a | 900 | void send_file_name(int f, struct file_list *flist, char *fname, |
1ef00d20 | 901 | int recursive, unsigned short base_flags) |
c627d613 | 902 | { |
ebed4c3a | 903 | struct file_struct *file; |
b7736c79 | 904 | char fbuf[MAXPATHLEN]; |
429f9828 | 905 | extern int delete_excluded; |
ebed4c3a | 906 | |
429f9828 | 907 | /* f is set to -1 when calculating deletion file list */ |
a289addd | 908 | file = make_file(fname, |
429f9828 WD |
909 | f == -1 && delete_excluded? SERVER_EXCLUDES |
910 | : ALL_EXCLUDES); | |
ebed4c3a MP |
911 | |
912 | if (!file) | |
913 | return; | |
914 | ||
db719fb0 | 915 | maybe_emit_filelist_progress(flist); |
ebed4c3a | 916 | |
d9d6bc52 | 917 | flist_expand(flist); |
ebed4c3a | 918 | |
64c3523a | 919 | if (write_batch) |
d01d15e0 | 920 | file->flags |= FLAG_TOP_DIR; |
ebed4c3a | 921 | |
c120ff37 | 922 | if (file->basename[0]) { |
ebed4c3a MP |
923 | flist->files[flist->count++] = file; |
924 | send_file_entry(file, f, base_flags); | |
925 | } | |
926 | ||
4844449a WD |
927 | if (recursive && S_ISDIR(file->mode) |
928 | && !(file->flags & FLAG_MOUNT_POINT)) { | |
d01d15e0 | 929 | struct exclude_struct **last_exclude_list = local_exclude_list; |
882e6893 | 930 | send_directory(f, flist, f_name_to(file, fbuf)); |
ebed4c3a MP |
931 | local_exclude_list = last_exclude_list; |
932 | return; | |
933 | } | |
c627d613 AT |
934 | } |
935 | ||
936 | ||
ebed4c3a | 937 | static void send_directory(int f, struct file_list *flist, char *dir) |
c627d613 | 938 | { |
3ec4dd97 AT |
939 | DIR *d; |
940 | struct dirent *di; | |
941 | char fname[MAXPATHLEN]; | |
eddd5d12 | 942 | unsigned int offset; |
3ec4dd97 AT |
943 | char *p; |
944 | ||
945 | d = opendir(dir); | |
946 | if (!d) { | |
06c28400 | 947 | io_error |= IOERR_GENERAL; |
ea42541f WD |
948 | rprintf(FERROR, "opendir %s failed: %s\n", |
949 | full_fname(dir), strerror(errno)); | |
3ec4dd97 AT |
950 | return; |
951 | } | |
c627d613 | 952 | |
eddd5d12 WD |
953 | offset = strlcpy(fname, dir, MAXPATHLEN); |
954 | p = fname + offset; | |
955 | if (offset >= MAXPATHLEN || p[-1] != '/') { | |
956 | if (offset >= MAXPATHLEN - 1) { | |
06c28400 | 957 | io_error |= IOERR_GENERAL; |
ea42541f WD |
958 | rprintf(FERROR, "skipping long-named directory: %s\n", |
959 | full_fname(fname)); | |
3ec4dd97 AT |
960 | closedir(d); |
961 | return; | |
962 | } | |
eddd5d12 WD |
963 | *p++ = '/'; |
964 | offset++; | |
3ec4dd97 | 965 | } |
c627d613 | 966 | |
3d913675 AT |
967 | local_exclude_list = NULL; |
968 | ||
3ec4dd97 | 969 | if (cvs_exclude) { |
eddd5d12 WD |
970 | if (strlcpy(p, ".cvsignore", MAXPATHLEN - offset) |
971 | < MAXPATHLEN - offset) | |
57469f6c | 972 | add_exclude_file(&local_exclude_list,fname,MISSING_OK,ADD_EXCLUDE); |
eddd5d12 | 973 | else { |
06c28400 | 974 | io_error |= IOERR_GENERAL; |
ebed4c3a MP |
975 | rprintf(FINFO, |
976 | "cannot cvs-exclude in long-named directory %s\n", | |
ea42541f | 977 | full_fname(fname)); |
3ec4dd97 | 978 | } |
ebed4c3a MP |
979 | } |
980 | ||
6a7cc46c | 981 | for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) { |
d6e6ecbd | 982 | char *dname = d_name(di); |
6a7cc46c S |
983 | if (dname[0] == '.' && (dname[1] == '\0' |
984 | || (dname[1] == '.' && dname[2] == '\0'))) | |
3ec4dd97 | 985 | continue; |
eddd5d12 WD |
986 | if (strlcpy(p, dname, MAXPATHLEN - offset) < MAXPATHLEN - offset) |
987 | send_file_name(f, flist, fname, recurse, 0); | |
988 | else { | |
989 | io_error |= IOERR_GENERAL; | |
990 | rprintf(FINFO, | |
991 | "cannot send long-named file %s\n", | |
992 | full_fname(fname)); | |
993 | } | |
3ec4dd97 | 994 | } |
6a7cc46c | 995 | if (errno) { |
06c28400 | 996 | io_error |= IOERR_GENERAL; |
6a7cc46c | 997 | rprintf(FERROR, "readdir(%s): (%d) %s\n", |
eddd5d12 | 998 | dir, errno, strerror(errno)); |
6a7cc46c | 999 | } |
c627d613 | 1000 | |
429f9828 WD |
1001 | if (local_exclude_list) |
1002 | free_exclude_list(&local_exclude_list); /* Zeros pointer too */ | |
3d913675 | 1003 | |
3ec4dd97 | 1004 | closedir(d); |
c627d613 AT |
1005 | } |
1006 | ||
1007 | ||
c4fea82f | 1008 | /** |
429f9828 WD |
1009 | * The delete_files() function in receiver.c sets f to -1 so that we just |
1010 | * construct the file list in memory without sending it over the wire. It | |
1011 | * also has the side-effect of ignoring user-excludes if delete_excluded | |
1012 | * is set (so that the delete list includes user-excluded files). | |
c4fea82f | 1013 | **/ |
ebed4c3a | 1014 | struct file_list *send_file_list(int f, int argc, char *argv[]) |
c627d613 | 1015 | { |
24d0fcde | 1016 | int l; |
bcacc18b | 1017 | STRUCT_STAT st; |
808c57c3 | 1018 | char *p, *dir, olddir[sizeof curr_dir]; |
ebed4c3a | 1019 | char lastpath[MAXPATHLEN] = ""; |
649d65ed | 1020 | struct file_list *flist; |
a800434a | 1021 | int64 start_write; |
24d0fcde | 1022 | int use_ff_fd = 0; |
649d65ed | 1023 | |
1bbd10fe DD |
1024 | if (show_filelist_p() && f != -1) |
1025 | start_filelist_progress("building file list"); | |
c627d613 | 1026 | |
a800434a AT |
1027 | start_write = stats.total_written; |
1028 | ||
3d382777 | 1029 | flist = flist_new(); |
c627d613 | 1030 | |
d6dead6b | 1031 | if (f != -1) { |
76c21947 | 1032 | io_start_buffering_out(f); |
24d0fcde | 1033 | if (filesfrom_fd >= 0) { |
808c57c3 | 1034 | if (argv[0] && !push_dir(argv[0])) { |
ea42541f WD |
1035 | rprintf(FERROR, "push_dir %s failed: %s\n", |
1036 | full_fname(argv[0]), strerror(errno)); | |
24d0fcde WD |
1037 | exit_cleanup(RERR_FILESELECT); |
1038 | } | |
1039 | use_ff_fd = 1; | |
1040 | } | |
d6dead6b AT |
1041 | } |
1042 | ||
24d0fcde | 1043 | while (1) { |
fc638474 DD |
1044 | char fname2[MAXPATHLEN]; |
1045 | char *fname = fname2; | |
c627d613 | 1046 | |
24d0fcde WD |
1047 | if (use_ff_fd) { |
1048 | if (read_filesfrom_line(filesfrom_fd, fname) == 0) | |
1049 | break; | |
1050 | sanitize_path(fname, NULL); | |
1051 | } else { | |
1052 | if (argc-- == 0) | |
1053 | break; | |
1054 | strlcpy(fname, *argv++, MAXPATHLEN); | |
1055 | if (sanitize_paths) | |
1056 | sanitize_path(fname, NULL); | |
1057 | } | |
c627d613 | 1058 | |
649d65ed | 1059 | l = strlen(fname); |
6931c138 WD |
1060 | if (fname[l - 1] == '/') { |
1061 | if (l == 2 && fname[0] == '.') { | |
1062 | /* Turn "./" into just "." rather than "./." */ | |
1063 | fname[1] = '\0'; | |
eddd5d12 WD |
1064 | } else if (l < MAXPATHLEN) { |
1065 | fname[l++] = '.'; | |
1066 | fname[l] = '\0'; | |
53f821f1 | 1067 | } |
649d65ed | 1068 | } |
c627d613 | 1069 | |
ebed4c3a | 1070 | if (link_stat(fname, &st) != 0) { |
f76933b1 | 1071 | if (f != -1) { |
06c28400 | 1072 | io_error |= IOERR_GENERAL; |
ea42541f WD |
1073 | rprintf(FERROR, "link_stat %s failed: %s\n", |
1074 | full_fname(fname), strerror(errno)); | |
f76933b1 | 1075 | } |
649d65ed AT |
1076 | continue; |
1077 | } | |
c627d613 | 1078 | |
24d0fcde | 1079 | if (S_ISDIR(st.st_mode) && !recurse && !files_from) { |
ebed4c3a | 1080 | rprintf(FINFO, "skipping directory %s\n", fname); |
649d65ed AT |
1081 | continue; |
1082 | } | |
c627d613 | 1083 | |
649d65ed | 1084 | dir = NULL; |
808c57c3 | 1085 | olddir[0] = '\0'; |
649d65ed AT |
1086 | |
1087 | if (!relative_paths) { | |
ebed4c3a | 1088 | p = strrchr(fname, '/'); |
649d65ed AT |
1089 | if (p) { |
1090 | *p = 0; | |
ebed4c3a | 1091 | if (p == fname) |
649d65ed AT |
1092 | dir = "/"; |
1093 | else | |
ebed4c3a MP |
1094 | dir = fname; |
1095 | fname = p + 1; | |
649d65ed | 1096 | } |
24d0fcde | 1097 | } else if (f != -1 && implied_dirs && (p=strrchr(fname,'/')) && p != fname) { |
649d65ed AT |
1098 | /* this ensures we send the intermediate directories, |
1099 | thus getting their permissions right */ | |
2154309a | 1100 | char *lp = lastpath, *fn = fname, *slash = fname; |
649d65ed | 1101 | *p = 0; |
2154309a WD |
1102 | /* Skip any initial directories in our path that we |
1103 | * have in common with lastpath. */ | |
1104 | while (*fn && *lp == *fn) { | |
1105 | if (*fn == '/') | |
1106 | slash = fn; | |
1107 | lp++, fn++; | |
1108 | } | |
1109 | *p = '/'; | |
1110 | if (fn != p || (*lp && *lp != '/')) { | |
1111 | int copy_links_saved = copy_links; | |
1112 | int recurse_saved = recurse; | |
1113 | copy_links = copy_unsafe_links; | |
1114 | /* set recurse to 1 to prevent make_file | |
1115 | * from ignoring directory, but still | |
1116 | * turn off the recursive parameter to | |
1117 | * send_file_name */ | |
1118 | recurse = 1; | |
1119 | while ((slash = strchr(slash+1, '/')) != 0) { | |
1120 | *slash = 0; | |
1121 | send_file_name(f, flist, fname, 0, 0); | |
1122 | *slash = '/'; | |
649d65ed | 1123 | } |
2154309a WD |
1124 | copy_links = copy_links_saved; |
1125 | recurse = recurse_saved; | |
1126 | *p = 0; | |
1127 | strlcpy(lastpath, fname, sizeof lastpath); | |
649d65ed AT |
1128 | *p = '/'; |
1129 | } | |
1130 | } | |
ebed4c3a | 1131 | |
649d65ed AT |
1132 | if (!*fname) |
1133 | fname = "."; | |
ebed4c3a | 1134 | |
649d65ed | 1135 | if (dir && *dir) { |
882e6893 WD |
1136 | static char *lastdir; |
1137 | static int lastdir_len; | |
1138 | ||
808c57c3 | 1139 | strcpy(olddir, curr_dir); /* can't overflow */ |
5243c216 | 1140 | |
808c57c3 | 1141 | if (!push_dir(dir)) { |
06c28400 | 1142 | io_error |= IOERR_GENERAL; |
ea42541f WD |
1143 | rprintf(FERROR, "push_dir %s failed: %s\n", |
1144 | full_fname(dir), strerror(errno)); | |
649d65ed AT |
1145 | continue; |
1146 | } | |
5243c216 | 1147 | |
882e6893 WD |
1148 | if (lastdir && strcmp(lastdir, dir) == 0) { |
1149 | flist_dir = lastdir; | |
1150 | flist_dir_len = lastdir_len; | |
1151 | } else { | |
882e6893 WD |
1152 | flist_dir = lastdir = strdup(dir); |
1153 | flist_dir_len = lastdir_len = strlen(dir); | |
1154 | } | |
2bca43f6 | 1155 | } |
ebed4c3a | 1156 | |
2bca43f6 DD |
1157 | if (one_file_system) |
1158 | set_filesystem(fname); | |
1159 | ||
d01d15e0 | 1160 | send_file_name(f, flist, fname, recurse, XMIT_TOP_DIR); |
2bca43f6 | 1161 | |
808c57c3 | 1162 | if (olddir[0]) { |
649d65ed | 1163 | flist_dir = NULL; |
882e6893 | 1164 | flist_dir_len = 0; |
808c57c3 | 1165 | if (!pop_dir(olddir)) { |
ea42541f WD |
1166 | rprintf(FERROR, "pop_dir %s failed: %s\n", |
1167 | full_fname(dir), strerror(errno)); | |
65417579 | 1168 | exit_cleanup(RERR_FILESELECT); |
649d65ed | 1169 | } |
649d65ed | 1170 | } |
649d65ed | 1171 | } |
dc5ddbcc | 1172 | |
983b1ed3 | 1173 | if (f != -1) { |
ebed4c3a | 1174 | send_file_entry(NULL, f, 0); |
c627d613 | 1175 | |
983b1ed3 WD |
1176 | if (show_filelist_p()) |
1177 | finish_filelist_progress(flist); | |
1178 | } | |
ebed4c3a | 1179 | |
827c37f6 | 1180 | clean_flist(flist, 0, 0); |
ebed4c3a | 1181 | |
785db4ce WD |
1182 | if (f != -1) { |
1183 | /* Now send the uid/gid list. This was introduced in | |
1184 | * protocol version 15 */ | |
649d65ed | 1185 | send_uid_list(f); |
f6c34742 | 1186 | |
983b1ed3 | 1187 | /* send the io_error flag */ |
ebed4c3a | 1188 | write_int(f, lp_ignore_errors(module_id) ? 0 : io_error); |
6ba9279f | 1189 | |
a261989c | 1190 | io_end_buffering(); |
a800434a AT |
1191 | stats.flist_size = stats.total_written - start_write; |
1192 | stats.num_files = flist->count; | |
64c3523a | 1193 | if (write_batch) |
ebed4c3a | 1194 | write_batch_flist_info(flist->count, flist->files); |
d6dead6b AT |
1195 | } |
1196 | ||
cefed3e8 WD |
1197 | if (verbose > 3) |
1198 | output_flist(flist); | |
1199 | ||
17faa41c | 1200 | if (verbose > 2) |
ebed4c3a | 1201 | rprintf(FINFO, "send_file_list done\n"); |
17faa41c | 1202 | |
649d65ed | 1203 | return flist; |
c627d613 AT |
1204 | } |
1205 | ||
1206 | ||
1207 | struct file_list *recv_file_list(int f) | |
1208 | { | |
ebed4c3a | 1209 | struct file_list *flist; |
1ef00d20 | 1210 | unsigned short flags; |
ebed4c3a MP |
1211 | int64 start_read; |
1212 | extern int list_only; | |
c627d613 | 1213 | |
1bbd10fe DD |
1214 | if (show_filelist_p()) |
1215 | start_filelist_progress("receiving file list"); | |
c627d613 | 1216 | |
ebed4c3a | 1217 | start_read = stats.total_read; |
a800434a | 1218 | |
58cadc86 | 1219 | flist = new(struct file_list); |
ebed4c3a MP |
1220 | if (!flist) |
1221 | goto oom; | |
c627d613 | 1222 | |
ebed4c3a MP |
1223 | flist->count = 0; |
1224 | flist->malloced = 1000; | |
58cadc86 | 1225 | flist->files = new_array(struct file_struct *, flist->malloced); |
ebed4c3a MP |
1226 | if (!flist->files) |
1227 | goto oom; | |
c627d613 AT |
1228 | |
1229 | ||
1ef00d20 | 1230 | while ((flags = read_byte(f)) != 0) { |
5d2c5c4c | 1231 | int i = flist->count; |
dbda5fbf | 1232 | |
d9d6bc52 | 1233 | flist_expand(flist); |
c627d613 | 1234 | |
d01d15e0 | 1235 | if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS)) |
75bc8600 | 1236 | flags |= read_byte(f) << 8; |
ebed4c3a | 1237 | receive_file_entry(&flist->files[i], flags, f); |
c627d613 | 1238 | |
ebed4c3a MP |
1239 | if (S_ISREG(flist->files[i]->mode)) |
1240 | stats.total_size += flist->files[i]->length; | |
c627d613 | 1241 | |
ebed4c3a | 1242 | flist->count++; |
c627d613 | 1243 | |
db719fb0 | 1244 | maybe_emit_filelist_progress(flist); |
1bbd10fe | 1245 | |
8018edd3 | 1246 | if (verbose > 2) { |
ebed4c3a MP |
1247 | rprintf(FINFO, "recv_file_name(%s)\n", |
1248 | f_name(flist->files[i])); | |
8018edd3 | 1249 | } |
ebed4c3a | 1250 | } |
5911fee5 | 1251 | receive_file_entry(NULL, 0, 0); /* Signal that we're done. */ |
c627d613 | 1252 | |
ebed4c3a MP |
1253 | if (verbose > 2) |
1254 | rprintf(FINFO, "received %d names\n", flist->count); | |
c627d613 | 1255 | |
b7736c79 | 1256 | if (show_filelist_p()) |
1bbd10fe | 1257 | finish_filelist_progress(flist); |
a06d19e3 | 1258 | |
983b1ed3 WD |
1259 | clean_flist(flist, relative_paths, 1); |
1260 | ||
785db4ce WD |
1261 | if (f != -1) { |
1262 | /* Now send the uid/gid list. This was introduced in | |
1263 | * protocol version 15 */ | |
ebed4c3a | 1264 | recv_uid_list(f, flist); |
f6c34742 | 1265 | |
785db4ce WD |
1266 | if (!read_batch) { |
1267 | /* Recv the io_error flag */ | |
1268 | if (lp_ignore_errors(module_id) || ignore_errors) | |
1269 | read_int(f); | |
1270 | else | |
1271 | io_error |= read_int(f); | |
1272 | } | |
ebed4c3a | 1273 | } |
6ba9279f | 1274 | |
cefed3e8 WD |
1275 | if (verbose > 3) |
1276 | output_flist(flist); | |
1277 | ||
ebed4c3a MP |
1278 | if (list_only) { |
1279 | int i; | |
b7736c79 | 1280 | for (i = 0; i < flist->count; i++) |
ebed4c3a | 1281 | list_file_entry(flist->files[i]); |
ebed4c3a | 1282 | } |
f7632fc6 | 1283 | |
ebed4c3a MP |
1284 | if (verbose > 2) |
1285 | rprintf(FINFO, "recv_file_list done\n"); | |
17faa41c | 1286 | |
ebed4c3a MP |
1287 | stats.flist_size = stats.total_read - start_read; |
1288 | stats.num_files = flist->count; | |
a800434a | 1289 | |
ebed4c3a | 1290 | return flist; |
c627d613 | 1291 | |
ebed4c3a MP |
1292 | oom: |
1293 | out_of_memory("recv_file_list"); | |
1294 | return NULL; /* not reached */ | |
c627d613 AT |
1295 | } |
1296 | ||
1297 | ||
fa45cda1 | 1298 | int file_compare(struct file_struct **file1, struct file_struct **file2) |
c627d613 | 1299 | { |
fa45cda1 S |
1300 | struct file_struct *f1 = *file1; |
1301 | struct file_struct *f2 = *file2; | |
1302 | ||
1303 | if (!f1->basename && !f2->basename) | |
ebed4c3a | 1304 | return 0; |
fa45cda1 | 1305 | if (!f1->basename) |
ebed4c3a | 1306 | return -1; |
fa45cda1 | 1307 | if (!f2->basename) |
ebed4c3a | 1308 | return 1; |
fa45cda1 S |
1309 | if (f1->dirname == f2->dirname) |
1310 | return u_strcmp(f1->basename, f2->basename); | |
1311 | return f_name_cmp(f1, f2); | |
c627d613 AT |
1312 | } |
1313 | ||
1314 | ||
ebed4c3a | 1315 | int flist_find(struct file_list *flist, struct file_struct *f) |
c627d613 | 1316 | { |
ebed4c3a | 1317 | int low = 0, high = flist->count - 1; |
d966ee25 | 1318 | |
ca23c51a WD |
1319 | while (high >= 0 && !flist->files[high]->basename) high--; |
1320 | ||
1321 | if (high < 0) | |
ebed4c3a | 1322 | return -1; |
d966ee25 AT |
1323 | |
1324 | while (low != high) { | |
ebed4c3a | 1325 | int mid = (low + high) / 2; |
b7736c79 | 1326 | int ret = file_compare(&flist->files[flist_up(flist, mid)],&f); |
ebed4c3a MP |
1327 | if (ret == 0) |
1328 | return flist_up(flist, mid); | |
b7736c79 | 1329 | if (ret > 0) |
ebed4c3a | 1330 | high = mid; |
b7736c79 | 1331 | else |
ebed4c3a | 1332 | low = mid + 1; |
d966ee25 AT |
1333 | } |
1334 | ||
ebed4c3a MP |
1335 | if (file_compare(&flist->files[flist_up(flist, low)], &f) == 0) |
1336 | return flist_up(flist, low); | |
d966ee25 | 1337 | return -1; |
c627d613 AT |
1338 | } |
1339 | ||
1340 | ||
3ec4dd97 | 1341 | /* |
a289addd WD |
1342 | * Free up any resources a file_struct has allocated, and optionally free |
1343 | * it up as well. | |
3ec4dd97 | 1344 | */ |
a289addd | 1345 | void free_file(struct file_struct *file, int free_the_struct) |
c627d613 | 1346 | { |
a289addd WD |
1347 | if (free_the_struct) |
1348 | free(file); | |
1349 | else | |
96eeda03 | 1350 | memset(file, 0, min_file_struct_len); |
3ec4dd97 | 1351 | } |
c627d613 | 1352 | |
c627d613 | 1353 | |
3d382777 AT |
1354 | /* |
1355 | * allocate a new file list | |
1356 | */ | |
1e34e4b7 | 1357 | struct file_list *flist_new(void) |
3d382777 AT |
1358 | { |
1359 | struct file_list *flist; | |
1360 | ||
58cadc86 | 1361 | flist = new(struct file_list); |
ebed4c3a MP |
1362 | if (!flist) |
1363 | out_of_memory("send_file_list"); | |
3d382777 | 1364 | |
ebed4c3a | 1365 | flist->count = 0; |
d9d6bc52 MP |
1366 | flist->malloced = 0; |
1367 | flist->files = NULL; | |
1368 | ||
3d382777 AT |
1369 | return flist; |
1370 | } | |
ebed4c3a | 1371 | |
3ec4dd97 AT |
1372 | /* |
1373 | * free up all elements in a flist | |
1374 | */ | |
1375 | void flist_free(struct file_list *flist) | |
1376 | { | |
1377 | int i; | |
a289addd WD |
1378 | for (i = 1; i < flist->count; i++) |
1379 | free_file(flist->files[i], FREE_STRUCT); | |
3ec4dd97 | 1380 | free(flist->files); |
3ec4dd97 | 1381 | free(flist); |
c627d613 AT |
1382 | } |
1383 | ||
1384 | ||
1385 | /* | |
1386 | * This routine ensures we don't have any duplicate names in our file list. | |
dbda5fbf | 1387 | * duplicate names can cause corruption because of the pipelining |
c627d613 | 1388 | */ |
827c37f6 | 1389 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups) |
c627d613 | 1390 | { |
6931c138 | 1391 | int i, prev_i = 0; |
c627d613 | 1392 | |
ebed4c3a | 1393 | if (!flist || flist->count == 0) |
3ec4dd97 | 1394 | return; |
3ec4dd97 | 1395 | |
ebed4c3a | 1396 | qsort(flist->files, flist->count, |
bd6abc49 | 1397 | sizeof flist->files[0], (int (*)()) file_compare); |
ebed4c3a | 1398 | |
827c37f6 | 1399 | for (i = no_dups? 0 : flist->count; i < flist->count; i++) { |
b91b50c0 | 1400 | if (flist->files[i]->basename) { |
6931c138 | 1401 | prev_i = i; |
b91b50c0 WD |
1402 | break; |
1403 | } | |
1404 | } | |
1405 | while (++i < flist->count) { | |
1406 | if (!flist->files[i]->basename) | |
1407 | continue; | |
8018edd3 | 1408 | if (f_name_cmp(flist->files[i], flist->files[prev_i]) == 0) { |
b91b50c0 | 1409 | if (verbose > 1 && !am_server) { |
ebed4c3a MP |
1410 | rprintf(FINFO, |
1411 | "removing duplicate name %s from file list %d\n", | |
8018edd3 | 1412 | f_name(flist->files[i]), i); |
b91b50c0 | 1413 | } |
6931c138 WD |
1414 | /* Make sure that if we unduplicate '.', that we don't |
1415 | * lose track of a user-specified starting point (or | |
1416 | * else deletions will mysteriously fail with -R). */ | |
d01d15e0 WD |
1417 | if (flist->files[i]->flags & FLAG_TOP_DIR) |
1418 | flist->files[prev_i]->flags |= FLAG_TOP_DIR; | |
a289addd | 1419 | free_file(flist->files[i], CLEAR_STRUCT); |
728d0922 | 1420 | } else |
6931c138 | 1421 | prev_i = i; |
3ec4dd97 | 1422 | } |
0199b05f AT |
1423 | |
1424 | if (strip_root) { | |
1425 | /* we need to strip off the root directory in the case | |
1426 | of relative paths, but this must be done _after_ | |
1427 | the sorting phase */ | |
ebed4c3a | 1428 | for (i = 0; i < flist->count; i++) { |
0199b05f AT |
1429 | if (flist->files[i]->dirname && |
1430 | flist->files[i]->dirname[0] == '/') { | |
1431 | memmove(&flist->files[i]->dirname[0], | |
1432 | &flist->files[i]->dirname[1], | |
1433 | strlen(flist->files[i]->dirname)); | |
1434 | } | |
ebed4c3a MP |
1435 | |
1436 | if (flist->files[i]->dirname && | |
0199b05f AT |
1437 | !flist->files[i]->dirname[0]) { |
1438 | flist->files[i]->dirname = NULL; | |
1439 | } | |
1440 | } | |
1441 | } | |
cefed3e8 | 1442 | } |
0199b05f | 1443 | |
cefed3e8 WD |
1444 | static void output_flist(struct file_list *flist) |
1445 | { | |
1446 | char uidbuf[16], gidbuf[16]; | |
1447 | struct file_struct *file; | |
1448 | int i; | |
0199b05f | 1449 | |
ebed4c3a | 1450 | for (i = 0; i < flist->count; i++) { |
cefed3e8 | 1451 | file = flist->files[i]; |
f05f993e WD |
1452 | if (am_root && preserve_uid) |
1453 | sprintf(uidbuf, " uid=%ld", (long)file->uid); | |
1454 | else | |
1455 | *uidbuf = '\0'; | |
cefed3e8 | 1456 | if (preserve_gid && file->gid != GID_NONE) |
f05f993e WD |
1457 | sprintf(gidbuf, " gid=%ld", (long)file->gid); |
1458 | else | |
1459 | *gidbuf = '\0'; | |
1460 | rprintf(FINFO, "[%s] i=%d %s %s %s mode=0%o len=%.0f%s%s\n", | |
1461 | who_am_i(), i, NS(file->basedir), NS(file->dirname), | |
1462 | NS(file->basename), (int) file->mode, | |
1463 | (double) file->length, uidbuf, gidbuf); | |
0199b05f | 1464 | } |
3ec4dd97 AT |
1465 | } |
1466 | ||
1467 | ||
8018edd3 WD |
1468 | enum fnc_state { fnc_DIR, fnc_SLASH, fnc_BASE }; |
1469 | ||
1470 | /* Compare the names of two file_struct entities, just like strcmp() | |
1471 | * would do if it were operating on the joined strings. We assume | |
1472 | * that there are no 0-length strings. | |
3ec4dd97 | 1473 | */ |
8018edd3 | 1474 | int f_name_cmp(struct file_struct *f1, struct file_struct *f2) |
3ec4dd97 | 1475 | { |
8018edd3 WD |
1476 | int dif; |
1477 | const uchar *c1, *c2; | |
1ef00d20 | 1478 | enum fnc_state state1, state2; |
8018edd3 WD |
1479 | |
1480 | if (!f1 || !f1->basename) { | |
1481 | if (!f2 || !f2->basename) | |
1482 | return 0; | |
1483 | return -1; | |
1484 | } | |
1485 | if (!f2 || !f2->basename) | |
1486 | return 1; | |
1487 | ||
e90b8ace | 1488 | if (!(c1 = (uchar*)f1->dirname)) { |
8018edd3 | 1489 | state1 = fnc_BASE; |
e90b8ace | 1490 | c1 = (uchar*)f1->basename; |
728d0922 | 1491 | } else |
1ef00d20 | 1492 | state1 = fnc_DIR; |
e90b8ace | 1493 | if (!(c2 = (uchar*)f2->dirname)) { |
8018edd3 | 1494 | state2 = fnc_BASE; |
e90b8ace | 1495 | c2 = (uchar*)f2->basename; |
728d0922 | 1496 | } else |
1ef00d20 | 1497 | state2 = fnc_DIR; |
8018edd3 WD |
1498 | |
1499 | while (1) { | |
1500 | if ((dif = (int)*c1 - (int)*c2) != 0) | |
1501 | break; | |
1502 | if (!*++c1) { | |
1503 | switch (state1) { | |
1504 | case fnc_DIR: | |
1505 | state1 = fnc_SLASH; | |
e90b8ace | 1506 | c1 = (uchar*)"/"; |
8018edd3 WD |
1507 | break; |
1508 | case fnc_SLASH: | |
1509 | state1 = fnc_BASE; | |
e90b8ace | 1510 | c1 = (uchar*)f1->basename; |
8018edd3 WD |
1511 | break; |
1512 | case fnc_BASE: | |
1513 | break; | |
1514 | } | |
1515 | } | |
1516 | if (!*++c2) { | |
1517 | switch (state2) { | |
1518 | case fnc_DIR: | |
1519 | state2 = fnc_SLASH; | |
e90b8ace | 1520 | c2 = (uchar*)"/"; |
8018edd3 WD |
1521 | break; |
1522 | case fnc_SLASH: | |
1523 | state2 = fnc_BASE; | |
e90b8ace | 1524 | c2 = (uchar*)f2->basename; |
8018edd3 WD |
1525 | break; |
1526 | case fnc_BASE: | |
1527 | if (!*c1) | |
1528 | return 0; | |
1529 | break; | |
1530 | } | |
1531 | } | |
1532 | } | |
1533 | ||
1534 | return dif; | |
1535 | } | |
1536 | ||
3ec4dd97 | 1537 | |
8018edd3 | 1538 | /* Return a copy of the full filename of a flist entry, using the indicated |
882e6893 WD |
1539 | * buffer. No size-checking is done because we checked the size when creating |
1540 | * the file_struct entry. | |
8018edd3 | 1541 | */ |
882e6893 | 1542 | char *f_name_to(struct file_struct *f, char *fbuf) |
8018edd3 | 1543 | { |
ebed4c3a MP |
1544 | if (!f || !f->basename) |
1545 | return NULL; | |
3ec4dd97 | 1546 | |
3ec4dd97 | 1547 | if (f->dirname) { |
882e6893 WD |
1548 | int len = strlen(f->dirname); |
1549 | memcpy(fbuf, f->dirname, len); | |
1550 | fbuf[len] = '/'; | |
1551 | strcpy(fbuf + len + 1, f->basename); | |
8018edd3 | 1552 | } else |
882e6893 | 1553 | strcpy(fbuf, f->basename); |
b7736c79 | 1554 | return fbuf; |
8018edd3 | 1555 | } |
e03dfae5 | 1556 | |
3ec4dd97 | 1557 | |
8018edd3 WD |
1558 | /* Like f_name_to(), but we rotate through 5 static buffers of our own. |
1559 | */ | |
1560 | char *f_name(struct file_struct *f) | |
1561 | { | |
1562 | static char names[5][MAXPATHLEN]; | |
1563 | static unsigned int n; | |
1564 | ||
1565 | n = (n + 1) % (sizeof names / sizeof names[0]); | |
1566 | ||
882e6893 | 1567 | return f_name_to(f, names[n]); |
c627d613 | 1568 | } |