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