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 | ||
30 | extern int verbose; | |
34e18ecd WD |
31 | extern int dry_run; |
32 | extern int list_only; | |
f05f993e | 33 | extern int am_root; |
c627d613 | 34 | extern int am_server; |
a8726d2a | 35 | extern int am_daemon; |
56194bcd | 36 | extern int am_sender; |
8715db2c | 37 | extern int do_progress; |
c627d613 | 38 | extern int always_checksum; |
983b1ed3 WD |
39 | extern int module_id; |
40 | extern int ignore_errors; | |
4836c3ee | 41 | extern int numeric_ids; |
a06d19e3 | 42 | extern int recurse; |
7e037c42 | 43 | extern int xfer_dirs; |
24d0fcde | 44 | extern int filesfrom_fd; |
c627d613 | 45 | extern int one_file_system; |
314f4591 | 46 | extern int keep_dirlinks; |
c627d613 | 47 | extern int preserve_links; |
dc5ddbcc | 48 | extern int preserve_hard_links; |
c627d613 AT |
49 | extern int preserve_perms; |
50 | extern int preserve_devices; | |
51 | extern int preserve_uid; | |
52 | extern int preserve_gid; | |
6574b4f7 | 53 | extern int relative_paths; |
24d0fcde | 54 | extern int implied_dirs; |
82306bf6 | 55 | extern int copy_links; |
b5313607 | 56 | extern int copy_unsafe_links; |
d04e9c51 | 57 | extern int protocol_version; |
cb13abfe | 58 | extern int sanitize_paths; |
314f4591 | 59 | extern int orig_umask; |
d64e6f42 WD |
60 | extern struct stats stats; |
61 | extern struct file_list *the_file_list; | |
c627d613 | 62 | |
e1f40891 WD |
63 | extern char curr_dir[MAXPATHLEN]; |
64 | ||
7842418b WD |
65 | extern struct filter_list_struct filter_list; |
66 | extern struct filter_list_struct server_filter_list; | |
c627d613 | 67 | |
06c28400 | 68 | int io_error; |
32cbfe7b | 69 | dev_t filesystem_dev; /* used to implement -x */ |
06c28400 | 70 | |
fea4db62 | 71 | static char empty_sum[MD4_SUM_LENGTH]; |
9935066b | 72 | static unsigned int file_struct_len; |
d64e6f42 | 73 | static struct file_list *sorting_flist; |
3d382777 | 74 | |
827c37f6 | 75 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups); |
32cbfe7b | 76 | static void output_flist(struct file_list *flist); |
0199b05f | 77 | |
61dec11a WD |
78 | void init_flist(void) |
79 | { | |
1f9ae80a | 80 | struct file_struct f; |
61dec11a | 81 | |
1f9ae80a | 82 | /* Figure out how big the file_struct is without trailing padding */ |
7cf8e8d0 | 83 | file_struct_len = offsetof(struct file_struct, flags) + sizeof f.flags; |
61dec11a WD |
84 | } |
85 | ||
86 | ||
1bbd10fe | 87 | static int show_filelist_p(void) |
58225000 | 88 | { |
7e037c42 | 89 | return verbose && xfer_dirs && !am_server; |
1bbd10fe | 90 | } |
ebed4c3a | 91 | |
1bbd10fe DD |
92 | static void start_filelist_progress(char *kind) |
93 | { | |
94 | rprintf(FINFO, "%s ... ", kind); | |
e5ce3bcf | 95 | if (verbose > 1 || do_progress) |
1bbd10fe DD |
96 | rprintf(FINFO, "\n"); |
97 | rflush(FINFO); | |
58225000 MP |
98 | } |
99 | ||
db719fb0 | 100 | |
d27cbec5 | 101 | static void emit_filelist_progress(const struct file_list *flist) |
db719fb0 | 102 | { |
d27cbec5 | 103 | rprintf(FINFO, " %d files...\r", flist->count); |
db719fb0 MP |
104 | } |
105 | ||
106 | ||
d27cbec5 | 107 | static void maybe_emit_filelist_progress(const struct file_list *flist) |
58225000 | 108 | { |
e5ce3bcf | 109 | if (do_progress && show_filelist_p() && (flist->count % 100) == 0) |
d27cbec5 | 110 | emit_filelist_progress(flist); |
58225000 MP |
111 | } |
112 | ||
113 | ||
1bbd10fe | 114 | static void finish_filelist_progress(const struct file_list *flist) |
58225000 | 115 | { |
1bbd10fe DD |
116 | if (do_progress) { |
117 | /* This overwrites the progress line */ | |
c7b562be MP |
118 | rprintf(FINFO, "%d file%sto consider\n", |
119 | flist->count, flist->count == 1 ? " " : "s "); | |
b7736c79 | 120 | } else |
1bbd10fe | 121 | rprintf(FINFO, "done\n"); |
58225000 MP |
122 | } |
123 | ||
86943126 MP |
124 | void show_flist_stats(void) |
125 | { | |
126 | /* Nothing yet */ | |
127 | } | |
128 | ||
129 | ||
f7632fc6 AT |
130 | static void list_file_entry(struct file_struct *f) |
131 | { | |
740819ef | 132 | char perms[11]; |
f7632fc6 | 133 | |
e5ce3bcf | 134 | if (!f->basename) { |
7212be92 DD |
135 | /* this can happen if duplicate names were removed */ |
136 | return; | |
e5ce3bcf | 137 | } |
7212be92 | 138 | |
740819ef MP |
139 | permstring(perms, f->mode); |
140 | ||
4f5b0756 | 141 | #ifdef 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, | |
a4a7e64c | 145 | (double)f->length, timestring(f->modtime), |
71903f60 | 146 | safe_fname(f_name(f)), safe_fname(f->u.link)); |
0d162bd1 WD |
147 | } else |
148 | #endif | |
e5ce3bcf | 149 | { |
ebed4c3a MP |
150 | rprintf(FINFO, "%s %11.0f %s %s\n", |
151 | perms, | |
a4a7e64c | 152 | (double)f->length, timestring(f->modtime), |
54b40598 | 153 | safe_fname(f_name(f))); |
e5ce3bcf | 154 | } |
f7632fc6 AT |
155 | } |
156 | ||
157 | ||
bd9e9ecc MP |
158 | /** |
159 | * Stat either a symlink or its referent, depending on the settings of | |
160 | * copy_links, copy_unsafe_links, etc. | |
161 | * | |
4e5db0ad MP |
162 | * @retval -1 on error |
163 | * | |
164 | * @retval 0 for success | |
165 | * | |
166 | * @post If @p path is a symlink, then @p linkbuf (of size @c | |
bd9e9ecc | 167 | * MAXPATHLEN) contains the symlink target. |
4e5db0ad MP |
168 | * |
169 | * @post @p buffer contains information about the link or the | |
170 | * referrent as appropriate, if they exist. | |
bd9e9ecc | 171 | **/ |
23f4587f | 172 | static int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf) |
b5313607 | 173 | { |
4f5b0756 | 174 | #ifdef SUPPORT_LINKS |
b7736c79 | 175 | if (copy_links) |
6f2623fd | 176 | return do_stat(path, buffer); |
23f4587f | 177 | if (link_stat(path, buffer, 0) < 0) |
b5313607 | 178 | return -1; |
6f2623fd | 179 | if (S_ISLNK(buffer->st_mode)) { |
a4a7e64c | 180 | int l = readlink((char *)path, linkbuf, MAXPATHLEN - 1); |
dbda5fbf | 181 | if (l == -1) |
b5313607 | 182 | return -1; |
6f2623fd | 183 | linkbuf[l] = 0; |
fc638474 DD |
184 | if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) { |
185 | if (verbose > 1) { | |
dbda5fbf | 186 | rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n", |
71903f60 | 187 | safe_fname(path), safe_fname(linkbuf)); |
fc638474 | 188 | } |
6f2623fd | 189 | return do_stat(path, buffer); |
b5313607 DD |
190 | } |
191 | } | |
192 | return 0; | |
193 | #else | |
6f2623fd | 194 | return do_stat(path, buffer); |
b5313607 DD |
195 | #endif |
196 | } | |
197 | ||
314f4591 | 198 | int link_stat(const char *path, STRUCT_STAT *buffer, int follow_dirlinks) |
82306bf6 | 199 | { |
4f5b0756 | 200 | #ifdef SUPPORT_LINKS |
b7736c79 | 201 | if (copy_links) |
6f2623fd | 202 | return do_stat(path, buffer); |
314f4591 WD |
203 | if (do_lstat(path, buffer) < 0) |
204 | return -1; | |
205 | if (follow_dirlinks && S_ISLNK(buffer->st_mode)) { | |
206 | STRUCT_STAT st; | |
207 | if (do_stat(path, &st) == 0 && S_ISDIR(st.st_mode)) | |
208 | *buffer = st; | |
209 | } | |
210 | return 0; | |
82306bf6 | 211 | #else |
6f2623fd | 212 | return do_stat(path, buffer); |
82306bf6 AT |
213 | #endif |
214 | } | |
215 | ||
7842418b | 216 | /* This function is used to check if a file should be included/excluded |
429f9828 | 217 | * from the list of files based on its name and type etc. The value of |
7842418b WD |
218 | * filter_level is set to either SERVER_FILTERS or ALL_FILTERS. */ |
219 | static int is_excluded(char *fname, int is_dir, int filter_level) | |
c627d613 | 220 | { |
7d687932 | 221 | #if 0 /* This currently never happens, so avoid a useless compare. */ |
7842418b | 222 | if (filter_level == NO_FILTERS) |
429f9828 WD |
223 | return 0; |
224 | #endif | |
6931c138 | 225 | if (fname) { |
429f9828 | 226 | /* never exclude '.', even if somebody does --exclude '*' */ |
6931c138 WD |
227 | if (fname[0] == '.' && !fname[1]) |
228 | return 0; | |
229 | /* Handle the -R version of the '.' dir. */ | |
230 | if (fname[0] == '/') { | |
231 | int len = strlen(fname); | |
232 | if (fname[len-1] == '.' && fname[len-2] == '/') | |
233 | return 0; | |
234 | } | |
76e26e10 | 235 | } |
7842418b WD |
236 | if (server_filter_list.head |
237 | && check_filter(&server_filter_list, fname, is_dir) < 0) | |
429f9828 | 238 | return 1; |
7842418b | 239 | if (filter_level != ALL_FILTERS) |
429f9828 | 240 | return 0; |
7842418b WD |
241 | if (filter_list.head |
242 | && check_filter(&filter_list, fname, is_dir) < 0) | |
76e26e10 | 243 | return 1; |
76e26e10 | 244 | return 0; |
c627d613 AT |
245 | } |
246 | ||
b280a1f4 AT |
247 | static int to_wire_mode(mode_t mode) |
248 | { | |
4f5b0756 | 249 | #ifdef SUPPORT_LINKS |
b7736c79 | 250 | if (S_ISLNK(mode) && (_S_IFLNK != 0120000)) |
b280a1f4 | 251 | return (mode & ~(_S_IFMT)) | 0120000; |
0d162bd1 | 252 | #endif |
a4a7e64c | 253 | return (int)mode; |
b280a1f4 AT |
254 | } |
255 | ||
256 | static mode_t from_wire_mode(int mode) | |
257 | { | |
b7736c79 | 258 | if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000)) |
efe3037c | 259 | return (mode & ~(_S_IFMT)) | _S_IFLNK; |
a4a7e64c | 260 | return (mode_t)mode; |
b280a1f4 AT |
261 | } |
262 | ||
263 | ||
f1773e09 | 264 | static void send_directory(int f, struct file_list *flist, |
32cbfe7b | 265 | char *fbuf, int len); |
c627d613 | 266 | |
3a6a366f | 267 | static char *flist_dir; |
882e6893 | 268 | static int flist_dir_len; |
c627d613 | 269 | |
3ec4dd97 | 270 | |
d9d6bc52 MP |
271 | /** |
272 | * Make sure @p flist is big enough to hold at least @p flist->count | |
273 | * entries. | |
274 | **/ | |
a85906c7 | 275 | void flist_expand(struct file_list *flist) |
d9d6bc52 | 276 | { |
0501f363 | 277 | struct file_struct **new_ptr; |
2e7d1994 | 278 | |
a85906c7 S |
279 | if (flist->count < flist->malloced) |
280 | return; | |
dbda5fbf | 281 | |
a85906c7 S |
282 | if (flist->malloced < FLIST_START) |
283 | flist->malloced = FLIST_START; | |
284 | else if (flist->malloced >= FLIST_LINEAR) | |
285 | flist->malloced += FLIST_LINEAR; | |
286 | else | |
287 | flist->malloced *= 2; | |
288 | ||
289 | /* | |
290 | * In case count jumped or we are starting the list | |
291 | * with a known size just set it. | |
292 | */ | |
293 | if (flist->malloced < flist->count) | |
294 | flist->malloced = flist->count; | |
295 | ||
0501f363 WD |
296 | new_ptr = realloc_array(flist->files, struct file_struct *, |
297 | flist->malloced); | |
2e7d1994 | 298 | |
8c483820 | 299 | if (verbose >= 2 && flist->malloced != FLIST_START) { |
a85906c7 S |
300 | rprintf(FINFO, "[%s] expand file_list to %.0f bytes, did%s move\n", |
301 | who_am_i(), | |
a4a7e64c | 302 | (double)sizeof flist->files[0] * flist->malloced, |
a85906c7 | 303 | (new_ptr == flist->files) ? " not" : ""); |
d9d6bc52 | 304 | } |
a85906c7 | 305 | |
0501f363 | 306 | flist->files = new_ptr; |
a85906c7 S |
307 | |
308 | if (!flist->files) | |
309 | out_of_memory("flist_expand"); | |
d9d6bc52 MP |
310 | } |
311 | ||
7b1a0c19 | 312 | void send_file_entry(struct file_struct *file, int f, unsigned short base_flags) |
c627d613 | 313 | { |
1ef00d20 | 314 | unsigned short flags; |
5911fee5 WD |
315 | static time_t modtime; |
316 | static mode_t mode; | |
1490812a | 317 | static int64 dev; |
4124540d | 318 | static dev_t rdev; |
9c5e91f8 | 319 | static uint32 rdev_major; |
5911fee5 WD |
320 | static uid_t uid; |
321 | static gid_t gid; | |
322 | static char lastname[MAXPATHLEN]; | |
f376e674 | 323 | char fname[MAXPATHLEN]; |
ebed4c3a | 324 | int l1, l2; |
72914a60 | 325 | |
37802f40 | 326 | if (f < 0) |
ebed4c3a | 327 | return; |
72914a60 AT |
328 | |
329 | if (!file) { | |
ebed4c3a | 330 | write_byte(f, 0); |
5911fee5 | 331 | modtime = 0, mode = 0; |
4124540d | 332 | dev = 0, rdev = makedev(0, 0); |
9c5e91f8 | 333 | rdev_major = 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 | ||
f376e674 | 341 | f_name_to(file, fname); |
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 | 351 | if (IS_DEVICE(mode)) { |
9c5e91f8 WD |
352 | if (file->u.rdev == rdev) |
353 | flags |= XMIT_SAME_RDEV_pre28; | |
354 | else | |
728d0922 WD |
355 | rdev = file->u.rdev; |
356 | } else | |
9c5e91f8 | 357 | rdev = makedev(0, 0); |
728d0922 | 358 | } else if (IS_DEVICE(mode)) { |
84a3efa0 | 359 | rdev = file->u.rdev; |
9c5e91f8 WD |
360 | if ((uint32)major(rdev) == rdev_major) |
361 | flags |= XMIT_SAME_RDEV_MAJOR; | |
84a3efa0 | 362 | else |
9c5e91f8 WD |
363 | rdev_major = major(rdev); |
364 | if ((uint32)minor(rdev) <= 0xFFu) | |
365 | flags |= XMIT_RDEV_MINOR_IS_SMALL; | |
75bc8600 WD |
366 | } |
367 | } | |
30f337c9 | 368 | if (file->uid == uid) |
d01d15e0 | 369 | flags |= XMIT_SAME_UID; |
1ef00d20 | 370 | else |
30f337c9 WD |
371 | uid = file->uid; |
372 | if (file->gid == gid) | |
d01d15e0 | 373 | flags |= XMIT_SAME_GID; |
1ef00d20 | 374 | else |
30f337c9 WD |
375 | gid = file->gid; |
376 | if (file->modtime == modtime) | |
d01d15e0 | 377 | flags |= XMIT_SAME_TIME; |
1ef00d20 | 378 | else |
30f337c9 | 379 | modtime = file->modtime; |
a289addd | 380 | |
4f5b0756 | 381 | #ifdef SUPPORT_HARD_LINKS |
92cc9dd7 WD |
382 | if (file->link_u.idev) { |
383 | if (file->F_DEV == dev) { | |
c4b4df4f | 384 | if (protocol_version >= 28) |
d01d15e0 | 385 | flags |= XMIT_SAME_DEV; |
728d0922 | 386 | } else |
92cc9dd7 | 387 | dev = file->F_DEV; |
d01d15e0 | 388 | flags |= XMIT_HAS_IDEV_DATA; |
c4b4df4f | 389 | } |
0d162bd1 | 390 | #endif |
ebed4c3a MP |
391 | |
392 | for (l1 = 0; | |
3e491682 S |
393 | lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255); |
394 | l1++) {} | |
eddd5d12 | 395 | l2 = strlen(fname+l1); |
72914a60 | 396 | |
ebed4c3a | 397 | if (l1 > 0) |
d01d15e0 | 398 | flags |= XMIT_SAME_NAME; |
ebed4c3a | 399 | if (l2 > 255) |
d01d15e0 | 400 | flags |= XMIT_LONG_NAME; |
72914a60 | 401 | |
1aa4caf3 WD |
402 | /* We must make sure we don't send a zero flag byte or the |
403 | * other end will terminate the flist transfer. Note that | |
ee3751c8 | 404 | * the use of XMIT_TOP_DIR on a non-dir has no meaning, so |
1aa4caf3 | 405 | * it's harmless way to add a bit to the first flag byte. */ |
75bc8600 | 406 | if (protocol_version >= 28) { |
1aa4caf3 | 407 | if (!flags && !S_ISDIR(mode)) |
ee3751c8 | 408 | flags |= XMIT_TOP_DIR; |
1aa4caf3 | 409 | if ((flags & 0xFF00) || !flags) { |
d01d15e0 | 410 | flags |= XMIT_EXTENDED_FLAGS; |
75bc8600 WD |
411 | write_byte(f, flags); |
412 | write_byte(f, flags >> 8); | |
413 | } else | |
414 | write_byte(f, flags); | |
415 | } else { | |
1aa4caf3 | 416 | if (!(flags & 0xFF) && !S_ISDIR(mode)) |
ee3751c8 | 417 | flags |= XMIT_TOP_DIR; |
0a982011 | 418 | if (!(flags & 0xFF)) |
d01d15e0 | 419 | flags |= XMIT_LONG_NAME; |
75bc8600 WD |
420 | write_byte(f, flags); |
421 | } | |
d01d15e0 | 422 | if (flags & XMIT_SAME_NAME) |
ebed4c3a | 423 | write_byte(f, l1); |
d01d15e0 | 424 | if (flags & XMIT_LONG_NAME) |
ebed4c3a | 425 | write_int(f, l2); |
72914a60 | 426 | else |
ebed4c3a MP |
427 | write_byte(f, l2); |
428 | write_buf(f, fname + l1, l2); | |
72914a60 | 429 | |
ebed4c3a | 430 | write_longint(f, file->length); |
d01d15e0 | 431 | if (!(flags & XMIT_SAME_TIME)) |
30f337c9 | 432 | write_int(f, modtime); |
d01d15e0 | 433 | if (!(flags & XMIT_SAME_MODE)) |
30f337c9 | 434 | write_int(f, to_wire_mode(mode)); |
d01d15e0 | 435 | if (preserve_uid && !(flags & XMIT_SAME_UID)) { |
9f7b8c3b WD |
436 | if (!numeric_ids) |
437 | add_uid(uid); | |
30f337c9 | 438 | write_int(f, uid); |
72914a60 | 439 | } |
d01d15e0 | 440 | if (preserve_gid && !(flags & XMIT_SAME_GID)) { |
9f7b8c3b WD |
441 | if (!numeric_ids) |
442 | add_gid(gid); | |
30f337c9 | 443 | write_int(f, gid); |
72914a60 | 444 | } |
30f337c9 | 445 | if (preserve_devices && IS_DEVICE(mode)) { |
9c5e91f8 WD |
446 | if (protocol_version < 28) { |
447 | if (!(flags & XMIT_SAME_RDEV_pre28)) | |
448 | write_int(f, (int)rdev); | |
449 | } else { | |
450 | if (!(flags & XMIT_SAME_RDEV_MAJOR)) | |
451 | write_int(f, major(rdev)); | |
452 | if (flags & XMIT_RDEV_MINOR_IS_SMALL) | |
453 | write_byte(f, minor(rdev)); | |
454 | else | |
455 | write_int(f, minor(rdev)); | |
456 | } | |
75bc8600 | 457 | } |
c627d613 | 458 | |
4f5b0756 | 459 | #ifdef SUPPORT_LINKS |
30f337c9 | 460 | if (preserve_links && S_ISLNK(mode)) { |
306ffb8c WD |
461 | int len = strlen(file->u.link); |
462 | write_int(f, len); | |
463 | write_buf(f, file->u.link, len); | |
72914a60 | 464 | } |
c627d613 AT |
465 | #endif |
466 | ||
4f5b0756 | 467 | #ifdef SUPPORT_HARD_LINKS |
d01d15e0 | 468 | if (flags & XMIT_HAS_IDEV_DATA) { |
4124540d | 469 | if (protocol_version < 26) { |
736a6a29 | 470 | /* 32-bit dev_t and ino_t */ |
30f337c9 | 471 | write_int(f, dev); |
92cc9dd7 | 472 | write_int(f, file->F_INODE); |
736a6a29 MP |
473 | } else { |
474 | /* 64-bit dev_t and ino_t */ | |
4124540d WD |
475 | if (!(flags & XMIT_SAME_DEV)) |
476 | write_longint(f, dev); | |
92cc9dd7 | 477 | write_longint(f, file->F_INODE); |
736a6a29 | 478 | } |
72914a60 | 479 | } |
dc5ddbcc AT |
480 | #endif |
481 | ||
728d0922 WD |
482 | if (always_checksum) { |
483 | char *sum; | |
484 | if (S_ISREG(mode)) | |
485 | sum = file->u.sum; | |
486 | else if (protocol_version < 28) { | |
487 | /* Prior to 28, we sent a useless set of nulls. */ | |
488 | sum = empty_sum; | |
489 | } else | |
490 | sum = NULL; | |
491 | if (sum) { | |
3e491682 S |
492 | write_buf(f, sum, |
493 | protocol_version < 21 ? 2 : MD4_SUM_LENGTH); | |
728d0922 | 494 | } |
ebed4c3a | 495 | } |
182dca5c | 496 | |
ebed4c3a | 497 | strlcpy(lastname, fname, MAXPATHLEN); |
eca2adb4 MP |
498 | |
499 | io_write_phase = "unknown"; | |
182dca5c AT |
500 | } |
501 | ||
502 | ||
503 | ||
f5db0993 WD |
504 | static struct file_struct *receive_file_entry(struct file_list *flist, |
505 | unsigned short flags, int f) | |
182dca5c | 506 | { |
5911fee5 WD |
507 | static time_t modtime; |
508 | static mode_t mode; | |
1490812a | 509 | static int64 dev; |
4124540d | 510 | static dev_t rdev; |
9c5e91f8 | 511 | static uint32 rdev_major; |
5911fee5 WD |
512 | static uid_t uid; |
513 | static gid_t gid; | |
a289addd | 514 | static char lastname[MAXPATHLEN], *lastdir; |
33ffd7c3 | 515 | static int lastdir_depth, lastdir_len = -1; |
42f23f47 | 516 | static unsigned int del_hier_name_len = 0; |
649f8742 | 517 | static int in_del_hier = 0; |
72914a60 | 518 | char thisname[MAXPATHLEN]; |
ebed4c3a | 519 | unsigned int l1 = 0, l2 = 0; |
a1d55ad0 | 520 | int alloc_len, basename_len, dirname_len, linkname_len, sum_len; |
a289addd WD |
521 | OFF_T file_length; |
522 | char *basename, *dirname, *bp; | |
72914a60 AT |
523 | struct file_struct *file; |
524 | ||
f3c3ed44 | 525 | if (!flist) { |
5911fee5 | 526 | modtime = 0, mode = 0; |
4124540d | 527 | dev = 0, rdev = makedev(0, 0); |
9c5e91f8 | 528 | rdev_major = 0; |
5911fee5 WD |
529 | uid = 0, gid = 0; |
530 | *lastname = '\0'; | |
3db859e8 | 531 | lastdir_len = -1; |
649f8742 | 532 | in_del_hier = 0; |
f5db0993 | 533 | return NULL; |
5911fee5 WD |
534 | } |
535 | ||
d01d15e0 | 536 | if (flags & XMIT_SAME_NAME) |
72914a60 | 537 | l1 = read_byte(f); |
ebed4c3a | 538 | |
d01d15e0 | 539 | if (flags & XMIT_LONG_NAME) |
72914a60 AT |
540 | l2 = read_int(f); |
541 | else | |
542 | l2 = read_byte(f); | |
543 | ||
ebed4c3a MP |
544 | if (l2 >= MAXPATHLEN - l1) { |
545 | rprintf(FERROR, | |
546 | "overflow: flags=0x%x l1=%d l2=%d lastname=%s\n", | |
71903f60 | 547 | flags, l1, l2, safe_fname(lastname)); |
d0fd26aa AT |
548 | overflow("receive_file_entry"); |
549 | } | |
72914a60 | 550 | |
ebed4c3a MP |
551 | strlcpy(thisname, lastname, l1 + 1); |
552 | read_sbuf(f, &thisname[l1], l2); | |
553 | thisname[l1 + l2] = 0; | |
72914a60 | 554 | |
ebed4c3a | 555 | strlcpy(lastname, thisname, MAXPATHLEN); |
72914a60 | 556 | |
58b1999e | 557 | clean_fname(thisname, 0); |
72914a60 | 558 | |
0d162bd1 | 559 | if (sanitize_paths) |
33ffd7c3 | 560 | sanitize_path(thisname, thisname, "", 0); |
cb13abfe | 561 | |
a289addd WD |
562 | if ((basename = strrchr(thisname, '/')) != NULL) { |
563 | dirname_len = ++basename - thisname; /* counts future '\0' */ | |
564 | if (lastdir_len == dirname_len - 1 | |
565 | && strncmp(thisname, lastdir, lastdir_len) == 0) { | |
566 | dirname = lastdir; | |
567 | dirname_len = 0; /* indicates no copy is needed */ | |
568 | } else | |
569 | dirname = thisname; | |
72914a60 | 570 | } else { |
a289addd WD |
571 | basename = thisname; |
572 | dirname = NULL; | |
573 | dirname_len = 0; | |
72914a60 | 574 | } |
a289addd | 575 | basename_len = strlen(basename) + 1; /* count the '\0' */ |
72914a60 | 576 | |
a289addd | 577 | file_length = read_longint(f); |
d01d15e0 | 578 | if (!(flags & XMIT_SAME_TIME)) |
30f337c9 | 579 | modtime = (time_t)read_int(f); |
d01d15e0 | 580 | if (!(flags & XMIT_SAME_MODE)) |
30f337c9 | 581 | mode = from_wire_mode(read_int(f)); |
1ef00d20 | 582 | |
a289addd WD |
583 | if (preserve_uid && !(flags & XMIT_SAME_UID)) |
584 | uid = (uid_t)read_int(f); | |
585 | if (preserve_gid && !(flags & XMIT_SAME_GID)) | |
586 | gid = (gid_t)read_int(f); | |
587 | ||
1ef00d20 | 588 | if (preserve_devices) { |
75bc8600 | 589 | if (protocol_version < 28) { |
30f337c9 | 590 | if (IS_DEVICE(mode)) { |
d01d15e0 | 591 | if (!(flags & XMIT_SAME_RDEV_pre28)) |
9c5e91f8 | 592 | rdev = (dev_t)read_int(f); |
75bc8600 | 593 | } else |
9c5e91f8 | 594 | rdev = makedev(0, 0); |
30f337c9 | 595 | } else if (IS_DEVICE(mode)) { |
9c5e91f8 WD |
596 | uint32 rdev_minor; |
597 | if (!(flags & XMIT_SAME_RDEV_MAJOR)) | |
598 | rdev_major = read_int(f); | |
599 | if (flags & XMIT_RDEV_MINOR_IS_SMALL) | |
600 | rdev_minor = read_byte(f); | |
601 | else | |
602 | rdev_minor = read_int(f); | |
603 | rdev = makedev(rdev_major, rdev_minor); | |
1ef00d20 | 604 | } |
b7736c79 | 605 | } |
72914a60 | 606 | |
4f5b0756 | 607 | #ifdef SUPPORT_LINKS |
30f337c9 | 608 | if (preserve_links && S_ISLNK(mode)) { |
a289addd WD |
609 | linkname_len = read_int(f) + 1; /* count the '\0' */ |
610 | if (linkname_len <= 0 || linkname_len > MAXPATHLEN) { | |
611 | rprintf(FERROR, "overflow: linkname_len=%d\n", | |
612 | linkname_len - 1); | |
9dd891bb MP |
613 | overflow("receive_file_entry"); |
614 | } | |
72914a60 | 615 | } |
a289addd | 616 | else |
0d162bd1 | 617 | #endif |
a289addd | 618 | linkname_len = 0; |
0d162bd1 | 619 | |
a289addd WD |
620 | sum_len = always_checksum && S_ISREG(mode) ? MD4_SUM_LENGTH : 0; |
621 | ||
61dec11a | 622 | alloc_len = file_struct_len + dirname_len + basename_len |
9935066b S |
623 | + linkname_len + sum_len; |
624 | bp = pool_alloc(flist->file_pool, alloc_len, "receive_file_entry"); | |
625 | ||
f5db0993 | 626 | file = (struct file_struct *)bp; |
9935066b | 627 | memset(bp, 0, file_struct_len); |
61dec11a | 628 | bp += file_struct_len; |
a289addd | 629 | |
649f8742 | 630 | file->flags = 0; |
a289addd WD |
631 | file->modtime = modtime; |
632 | file->length = file_length; | |
633 | file->mode = mode; | |
634 | file->uid = uid; | |
635 | file->gid = gid; | |
636 | ||
f3c3ed44 WD |
637 | if (dirname_len) { |
638 | file->dirname = lastdir = bp; | |
639 | lastdir_len = dirname_len - 1; | |
640 | memcpy(bp, dirname, dirname_len - 1); | |
641 | bp += dirname_len; | |
642 | bp[-1] = '\0'; | |
643 | lastdir_depth = count_dir_elements(lastdir); | |
644 | file->dir.depth = lastdir_depth + 1; | |
645 | } else if (dirname) { | |
646 | file->dirname = dirname; /* we're reusing lastname */ | |
647 | file->dir.depth = lastdir_depth + 1; | |
648 | } else | |
649 | file->dir.depth = 1; | |
650 | ||
649f8742 | 651 | if (S_ISDIR(mode)) { |
ee3751c8 | 652 | if (basename_len == 1+1 && *basename == '.') /* +1 for '\0' */ |
f3c3ed44 | 653 | file->dir.depth--; |
ee3751c8 | 654 | if (flags & XMIT_TOP_DIR) { |
649f8742 | 655 | in_del_hier = 1; |
f3c3ed44 | 656 | del_hier_name_len = file->dir.depth == 0 ? 0 : l1 + l2; |
ee3751c8 WD |
657 | file->flags |= FLAG_TOP_DIR | FLAG_DEL_HERE; |
658 | } else if (in_del_hier) { | |
f3c3ed44 WD |
659 | if (!relative_paths || !del_hier_name_len |
660 | || (l1 >= del_hier_name_len | |
661 | && thisname[del_hier_name_len] == '/')) | |
ee3751c8 | 662 | file->flags |= FLAG_DEL_HERE; |
649f8742 WD |
663 | else |
664 | in_del_hier = 0; | |
665 | } | |
666 | } | |
667 | ||
a289addd WD |
668 | file->basename = bp; |
669 | memcpy(bp, basename, basename_len); | |
670 | bp += basename_len; | |
671 | ||
672 | if (preserve_devices && IS_DEVICE(mode)) | |
673 | file->u.rdev = rdev; | |
674 | ||
4f5b0756 | 675 | #ifdef SUPPORT_LINKS |
a289addd WD |
676 | if (linkname_len) { |
677 | file->u.link = bp; | |
678 | read_sbuf(f, bp, linkname_len - 1); | |
679 | if (sanitize_paths) | |
33ffd7c3 | 680 | sanitize_path(bp, bp, "", lastdir_depth); |
a289addd WD |
681 | bp += linkname_len; |
682 | } | |
683 | #endif | |
684 | ||
4f5b0756 | 685 | #ifdef SUPPORT_HARD_LINKS |
9935066b S |
686 | if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode)) |
687 | flags |= XMIT_HAS_IDEV_DATA; | |
97a67bdf | 688 | if (flags & XMIT_HAS_IDEV_DATA) { |
1490812a | 689 | int64 inode; |
4124540d WD |
690 | if (protocol_version < 26) { |
691 | dev = read_int(f); | |
9935066b | 692 | inode = read_int(f); |
736a6a29 | 693 | } else { |
4124540d WD |
694 | if (!(flags & XMIT_SAME_DEV)) |
695 | dev = read_longint(f); | |
9935066b S |
696 | inode = read_longint(f); |
697 | } | |
698 | if (flist->hlink_pool) { | |
5bf63a11 S |
699 | file->link_u.idev = pool_talloc(flist->hlink_pool, |
700 | struct idev, 1, "inode_table"); | |
9935066b S |
701 | file->F_INODE = inode; |
702 | file->F_DEV = dev; | |
736a6a29 | 703 | } |
72914a60 | 704 | } |
dc5ddbcc | 705 | #endif |
ebed4c3a | 706 | |
72914a60 | 707 | if (always_checksum) { |
7c4f063b | 708 | char *sum; |
a289addd WD |
709 | if (sum_len) { |
710 | file->u.sum = sum = bp; | |
711 | /*bp += sum_len;*/ | |
fea4db62 WD |
712 | } else if (protocol_version < 28) { |
713 | /* Prior to 28, we get a useless set of nulls. */ | |
7c4f063b | 714 | sum = empty_sum; |
fea4db62 WD |
715 | } else |
716 | sum = NULL; | |
717 | if (sum) { | |
3e491682 S |
718 | read_buf(f, sum, |
719 | protocol_version < 21 ? 2 : MD4_SUM_LENGTH); | |
fea4db62 | 720 | } |
72914a60 | 721 | } |
ebed4c3a | 722 | |
72914a60 | 723 | if (!preserve_perms) { |
72914a60 | 724 | /* set an appropriate set of permissions based on original |
fea4db62 | 725 | * permissions and umask. This emulates what GNU cp does */ |
72914a60 AT |
726 | file->mode &= ~orig_umask; |
727 | } | |
f5db0993 WD |
728 | |
729 | return file; | |
c627d613 AT |
730 | } |
731 | ||
732 | ||
db719fb0 MP |
733 | /** |
734 | * Create a file_struct for a named file by reading its stat() | |
735 | * information and performing extensive checks against global | |
736 | * options. | |
737 | * | |
738 | * @return the new file, or NULL if there was an error or this file | |
739 | * should be excluded. | |
740 | * | |
741 | * @todo There is a small optimization opportunity here to avoid | |
742 | * stat()ing the file in some circumstances, which has a certain cost. | |
743 | * We are called immediately after doing readdir(), and so we may | |
744 | * already know the d_type of the file. We could for example avoid | |
745 | * statting directories if we're not recursing, but this is not a very | |
746 | * important case. Some systems may not have d_type. | |
747 | **/ | |
314f4591 | 748 | struct file_struct *make_file(char *fname, struct file_list *flist, |
7842418b | 749 | int filter_level) |
c627d613 | 750 | { |
a289addd WD |
751 | static char *lastdir; |
752 | static int lastdir_len = -1; | |
3ec4dd97 | 753 | struct file_struct *file; |
bcacc18b | 754 | STRUCT_STAT st; |
3ec4dd97 | 755 | char sum[SUM_LENGTH]; |
1923b1fc | 756 | char thisname[MAXPATHLEN]; |
e0870f1d | 757 | char linkname[MAXPATHLEN]; |
a1d55ad0 | 758 | int alloc_len, basename_len, dirname_len, linkname_len, sum_len; |
a289addd | 759 | char *basename, *dirname, *bp; |
4844449a | 760 | unsigned short flags = 0; |
3ec4dd97 | 761 | |
d508258a | 762 | if (!flist || !flist->count) /* Ignore lastdir when invalid. */ |
7de2483f | 763 | lastdir_len = -1; |
9935066b | 764 | |
1923b1fc WD |
765 | if (strlcpy(thisname, fname, sizeof thisname) |
766 | >= sizeof thisname - flist_dir_len) { | |
71903f60 WD |
767 | rprintf(FINFO, "skipping overly long name: %s\n", |
768 | safe_fname(fname)); | |
882e6893 WD |
769 | return NULL; |
770 | } | |
58b1999e | 771 | clean_fname(thisname, 0); |
b7736c79 | 772 | if (sanitize_paths) |
33ffd7c3 | 773 | sanitize_path(thisname, thisname, "", 0); |
3ec4dd97 | 774 | |
ebed4c3a | 775 | memset(sum, 0, SUM_LENGTH); |
3ec4dd97 | 776 | |
e0870f1d | 777 | if (readlink_stat(thisname, &st, linkname) != 0) { |
76e26e10 | 778 | int save_errno = errno; |
a4a7e64c | 779 | /* See if file is excluded before reporting an error. */ |
7842418b WD |
780 | if (filter_level != NO_FILTERS |
781 | && is_excluded(thisname, 0, filter_level)) | |
a4a7e64c WD |
782 | return NULL; |
783 | if (save_errno == ENOENT) { | |
4f5b0756 | 784 | #ifdef SUPPORT_LINKS |
a4a7e64c WD |
785 | /* Avoid "vanished" error if symlink points nowhere. */ |
786 | if (copy_links && do_lstat(thisname, &st) == 0 | |
787 | && S_ISLNK(st.st_mode)) { | |
788 | io_error |= IOERR_GENERAL; | |
789 | rprintf(FERROR, "symlink has no referent: %s\n", | |
790 | full_fname(thisname)); | |
e5ce3bcf WD |
791 | } else |
792 | #endif | |
793 | { | |
a4a7e64c WD |
794 | enum logcode c = am_daemon && protocol_version < 28 |
795 | ? FERROR : FINFO; | |
796 | io_error |= IOERR_VANISHED; | |
797 | rprintf(c, "file has vanished: %s\n", | |
798 | full_fname(thisname)); | |
76e26e10 | 799 | } |
a4a7e64c | 800 | } else { |
a8726d2a | 801 | io_error |= IOERR_GENERAL; |
d62bcc17 WD |
802 | rsyserr(FERROR, save_errno, "readlink %s failed", |
803 | full_fname(thisname)); | |
76e26e10 | 804 | } |
3ec4dd97 AT |
805 | return NULL; |
806 | } | |
c627d613 | 807 | |
7842418b WD |
808 | /* backup.c calls us with filter_level set to NO_FILTERS. */ |
809 | if (filter_level == NO_FILTERS) | |
810 | goto skip_filters; | |
ac1a0994 | 811 | |
7e037c42 | 812 | if (S_ISDIR(st.st_mode) && !xfer_dirs) { |
71903f60 | 813 | rprintf(FINFO, "skipping directory %s\n", safe_fname(thisname)); |
3ec4dd97 AT |
814 | return NULL; |
815 | } | |
ebed4c3a | 816 | |
e90cdb8a WD |
817 | /* We only care about directories because we need to avoid recursing |
818 | * into a mount-point directory, not to avoid copying a symlinked | |
819 | * file if -L (or similar) was specified. */ | |
820 | if (one_file_system && st.st_dev != filesystem_dev | |
821 | && S_ISDIR(st.st_mode)) | |
4844449a | 822 | flags |= FLAG_MOUNT_POINT; |
ebed4c3a | 823 | |
7842418b | 824 | if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) |
76e26e10 DD |
825 | return NULL; |
826 | ||
132fcf36 | 827 | if (lp_ignore_nonreadable(module_id)) { |
4f5b0756 | 828 | #ifdef SUPPORT_LINKS |
132fcf36 WD |
829 | if (!S_ISLNK(st.st_mode)) |
830 | #endif | |
831 | if (access(thisname, R_OK) != 0) | |
832 | return NULL; | |
833 | } | |
ac1a0994 | 834 | |
7842418b | 835 | skip_filters: |
ac1a0994 | 836 | |
ea847c62 WD |
837 | if (verbose > 2) { |
838 | rprintf(FINFO, "[%s] make_file(%s,*,%d)\n", | |
71903f60 | 839 | who_am_i(), safe_fname(thisname), filter_level); |
ea847c62 | 840 | } |
ebed4c3a | 841 | |
a289addd WD |
842 | if ((basename = strrchr(thisname, '/')) != NULL) { |
843 | dirname_len = ++basename - thisname; /* counts future '\0' */ | |
844 | if (lastdir_len == dirname_len - 1 | |
845 | && strncmp(thisname, lastdir, lastdir_len) == 0) { | |
846 | dirname = lastdir; | |
847 | dirname_len = 0; /* indicates no copy is needed */ | |
848 | } else | |
849 | dirname = thisname; | |
3ec4dd97 | 850 | } else { |
a289addd WD |
851 | basename = thisname; |
852 | dirname = NULL; | |
853 | dirname_len = 0; | |
3ec4dd97 | 854 | } |
a289addd | 855 | basename_len = strlen(basename) + 1; /* count the '\0' */ |
c627d613 | 856 | |
4f5b0756 | 857 | #ifdef SUPPORT_LINKS |
a289addd WD |
858 | linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0; |
859 | #else | |
860 | linkname_len = 0; | |
861 | #endif | |
862 | ||
a289addd WD |
863 | sum_len = always_checksum && S_ISREG(st.st_mode) ? MD4_SUM_LENGTH : 0; |
864 | ||
61dec11a | 865 | alloc_len = file_struct_len + dirname_len + basename_len |
9935066b S |
866 | + linkname_len + sum_len; |
867 | if (flist) { | |
868 | bp = pool_alloc(flist->file_pool, alloc_len, | |
869 | "receive_file_entry"); | |
870 | } else { | |
871 | if (!(bp = new_array(char, alloc_len))) | |
872 | out_of_memory("receive_file_entry"); | |
873 | } | |
874 | ||
a289addd | 875 | file = (struct file_struct *)bp; |
9935066b | 876 | memset(bp, 0, file_struct_len); |
61dec11a | 877 | bp += file_struct_len; |
a289addd WD |
878 | |
879 | file->flags = flags; | |
3ec4dd97 AT |
880 | file->modtime = st.st_mtime; |
881 | file->length = st.st_size; | |
882 | file->mode = st.st_mode; | |
883 | file->uid = st.st_uid; | |
884 | file->gid = st.st_gid; | |
0d162bd1 | 885 | |
4f5b0756 | 886 | #ifdef SUPPORT_HARD_LINKS |
9935066b S |
887 | if (flist && flist->hlink_pool) { |
888 | if (protocol_version < 28) { | |
889 | if (S_ISREG(st.st_mode)) | |
890 | file->link_u.idev = pool_talloc( | |
891 | flist->hlink_pool, struct idev, 1, | |
892 | "inode_table"); | |
893 | } else { | |
894 | if (!S_ISDIR(st.st_mode) && st.st_nlink > 1) | |
895 | file->link_u.idev = pool_talloc( | |
896 | flist->hlink_pool, struct idev, 1, | |
897 | "inode_table"); | |
898 | } | |
899 | } | |
900 | if (file->link_u.idev) { | |
61dec11a WD |
901 | file->F_DEV = st.st_dev; |
902 | file->F_INODE = st.st_ino; | |
903 | } | |
904 | #endif | |
905 | ||
a289addd WD |
906 | if (dirname_len) { |
907 | file->dirname = lastdir = bp; | |
908 | lastdir_len = dirname_len - 1; | |
909 | memcpy(bp, dirname, dirname_len - 1); | |
910 | bp += dirname_len; | |
911 | bp[-1] = '\0'; | |
912 | } else if (dirname) | |
913 | file->dirname = dirname; | |
914 | ||
915 | file->basename = bp; | |
916 | memcpy(bp, basename, basename_len); | |
917 | bp += basename_len; | |
918 | ||
4f5b0756 | 919 | #ifdef HAVE_STRUCT_STAT_ST_RDEV |
0d162bd1 WD |
920 | if (preserve_devices && IS_DEVICE(st.st_mode)) |
921 | file->u.rdev = st.st_rdev; | |
922 | #endif | |
923 | ||
4f5b0756 | 924 | #ifdef SUPPORT_LINKS |
a289addd WD |
925 | if (linkname_len) { |
926 | file->u.link = bp; | |
927 | memcpy(bp, linkname, linkname_len); | |
928 | bp += linkname_len; | |
929 | } | |
0d162bd1 WD |
930 | #endif |
931 | ||
a289addd WD |
932 | if (sum_len) { |
933 | file->u.sum = bp; | |
934 | file_checksum(thisname, bp, st.st_size); | |
935 | /*bp += sum_len;*/ | |
ebed4c3a | 936 | } |
c627d613 | 937 | |
f3c3ed44 | 938 | file->dir.root = flist_dir; |
c627d613 | 939 | |
23f4587f WD |
940 | /* This code is only used by the receiver when it is building |
941 | * a list of files for a delete pass. */ | |
942 | if (keep_dirlinks && linkname_len && flist) { | |
943 | STRUCT_STAT st2; | |
f5db0993 WD |
944 | int save_mode = file->mode; |
945 | file->mode = S_IFDIR; /* find a directory w/our name */ | |
d64e6f42 | 946 | if (flist_find(the_file_list, file) >= 0 |
23f4587f WD |
947 | && do_stat(thisname, &st2) == 0 && S_ISDIR(st2.st_mode)) { |
948 | file->modtime = st2.st_mtime; | |
949 | file->length = st2.st_size; | |
950 | file->mode = st2.st_mode; | |
951 | file->uid = st2.st_uid; | |
952 | file->gid = st2.st_gid; | |
953 | file->u.link = NULL; | |
f5db0993 WD |
954 | } else |
955 | file->mode = save_mode; | |
23f4587f WD |
956 | } |
957 | ||
d17190df | 958 | if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) |
a800434a | 959 | stats.total_size += st.st_size; |
c627d613 | 960 | |
3ec4dd97 | 961 | return file; |
c627d613 AT |
962 | } |
963 | ||
964 | ||
ebed4c3a | 965 | void send_file_name(int f, struct file_list *flist, char *fname, |
1ef00d20 | 966 | int recursive, unsigned short base_flags) |
c627d613 | 967 | { |
ebed4c3a | 968 | struct file_struct *file; |
b7736c79 | 969 | char fbuf[MAXPATHLEN]; |
ebed4c3a | 970 | |
37802f40 WD |
971 | file = make_file(fname, flist, f == -2 ? SERVER_FILTERS : ALL_FILTERS); |
972 | if (!file) | |
ebed4c3a MP |
973 | return; |
974 | ||
db719fb0 | 975 | maybe_emit_filelist_progress(flist); |
ebed4c3a | 976 | |
d9d6bc52 | 977 | flist_expand(flist); |
ebed4c3a | 978 | |
c120ff37 | 979 | if (file->basename[0]) { |
ebed4c3a MP |
980 | flist->files[flist->count++] = file; |
981 | send_file_entry(file, f, base_flags); | |
982 | } | |
983 | ||
4844449a | 984 | if (recursive && S_ISDIR(file->mode) |
f1773e09 WD |
985 | && !(file->flags & FLAG_MOUNT_POINT) && f_name_to(file, fbuf)) { |
986 | void *save_filters; | |
987 | unsigned int len = strlen(fbuf); | |
988 | if (len > 1 && fbuf[len-1] == '/') | |
989 | fbuf[--len] = '\0'; | |
990 | if (len >= MAXPATHLEN - 1) { | |
991 | io_error |= IOERR_GENERAL; | |
992 | rprintf(FERROR, "skipping long-named directory: %s\n", | |
993 | full_fname(fbuf)); | |
994 | return; | |
995 | } | |
996 | save_filters = push_local_filters(fbuf, len); | |
997 | send_directory(f, flist, fbuf, len); | |
998 | pop_local_filters(save_filters); | |
ebed4c3a | 999 | } |
c627d613 AT |
1000 | } |
1001 | ||
1002 | ||
32cbfe7b WD |
1003 | /* Note that the "recurse" value either contains -1, for infinite recursion, or |
1004 | * a number >= 0 indicating how many levels of recursion we will allow. This | |
1005 | * function is normally called by the sender, but the receiving side also calls | |
1006 | * it from delete_in_dir() with f set to -1 so that we just construct the file | |
1007 | * list in memory without sending it over the wire. Also, get_dirlist() might | |
1008 | * call this with f set to -2, which indicates that local filter rules should | |
1009 | * be ignored. */ | |
f1773e09 | 1010 | static void send_directory(int f, struct file_list *flist, |
32cbfe7b | 1011 | char *fbuf, int len) |
c627d613 | 1012 | { |
3ec4dd97 | 1013 | struct dirent *di; |
32cbfe7b | 1014 | unsigned remainder; |
3ec4dd97 | 1015 | char *p; |
f1773e09 | 1016 | DIR *d; |
3ec4dd97 | 1017 | |
f1773e09 | 1018 | if (!(d = opendir(fbuf))) { |
06c28400 | 1019 | io_error |= IOERR_GENERAL; |
f1773e09 | 1020 | rsyserr(FERROR, errno, "opendir %s failed", full_fname(fbuf)); |
3ec4dd97 AT |
1021 | return; |
1022 | } | |
c627d613 | 1023 | |
19b2a5d9 WD |
1024 | p = fbuf + len; |
1025 | if (len != 1 || *fbuf != '/') | |
eddd5d12 | 1026 | *p++ = '/'; |
f1773e09 | 1027 | *p = '\0'; |
32cbfe7b | 1028 | remainder = MAXPATHLEN - (p - fbuf); |
ebed4c3a | 1029 | |
6a7cc46c | 1030 | for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) { |
d6e6ecbd | 1031 | char *dname = d_name(di); |
6a7cc46c S |
1032 | if (dname[0] == '.' && (dname[1] == '\0' |
1033 | || (dname[1] == '.' && dname[2] == '\0'))) | |
3ec4dd97 | 1034 | continue; |
32cbfe7b | 1035 | if (strlcpy(p, dname, remainder) < remainder) { |
9f125ea7 | 1036 | int do_subdirs = recurse >= 1 ? recurse-- : recurse; |
f1773e09 | 1037 | send_file_name(f, flist, fbuf, do_subdirs, 0); |
0f57446d | 1038 | } else { |
eddd5d12 WD |
1039 | io_error |= IOERR_GENERAL; |
1040 | rprintf(FINFO, | |
1041 | "cannot send long-named file %s\n", | |
f1773e09 | 1042 | full_fname(fbuf)); |
eddd5d12 | 1043 | } |
3ec4dd97 | 1044 | } |
32cbfe7b WD |
1045 | |
1046 | fbuf[len] = '\0'; | |
1047 | ||
6a7cc46c | 1048 | if (errno) { |
06c28400 | 1049 | io_error |= IOERR_GENERAL; |
71903f60 | 1050 | rsyserr(FERROR, errno, "readdir(%s)", full_fname(fbuf)); |
6a7cc46c | 1051 | } |
c627d613 | 1052 | |
3ec4dd97 | 1053 | closedir(d); |
c627d613 AT |
1054 | } |
1055 | ||
1056 | ||
ebed4c3a | 1057 | struct file_list *send_file_list(int f, int argc, char *argv[]) |
c627d613 | 1058 | { |
24d0fcde | 1059 | int l; |
bcacc18b | 1060 | STRUCT_STAT st; |
808c57c3 | 1061 | char *p, *dir, olddir[sizeof curr_dir]; |
ebed4c3a | 1062 | char lastpath[MAXPATHLEN] = ""; |
649d65ed | 1063 | struct file_list *flist; |
31b4d25d | 1064 | struct timeval start_tv, end_tv; |
a800434a | 1065 | int64 start_write; |
24d0fcde | 1066 | int use_ff_fd = 0; |
649d65ed | 1067 | |
134f4338 | 1068 | if (show_filelist_p()) |
1bbd10fe | 1069 | start_filelist_progress("building file list"); |
c627d613 | 1070 | |
a800434a | 1071 | start_write = stats.total_written; |
31b4d25d | 1072 | gettimeofday(&start_tv, NULL); |
a800434a | 1073 | |
134f4338 | 1074 | flist = flist_new(WITH_HLINK, "send_file_list"); |
c627d613 | 1075 | |
134f4338 WD |
1076 | io_start_buffering_out(); |
1077 | if (filesfrom_fd >= 0) { | |
1078 | if (argv[0] && !push_dir(argv[0])) { | |
1079 | rsyserr(FERROR, errno, "push_dir %s failed", | |
1080 | full_fname(argv[0])); | |
1081 | exit_cleanup(RERR_FILESELECT); | |
24d0fcde | 1082 | } |
134f4338 | 1083 | use_ff_fd = 1; |
d6dead6b AT |
1084 | } |
1085 | ||
24d0fcde | 1086 | while (1) { |
fc638474 DD |
1087 | char fname2[MAXPATHLEN]; |
1088 | char *fname = fname2; | |
9f125ea7 | 1089 | int do_subdirs; |
c627d613 | 1090 | |
24d0fcde WD |
1091 | if (use_ff_fd) { |
1092 | if (read_filesfrom_line(filesfrom_fd, fname) == 0) | |
1093 | break; | |
33ffd7c3 | 1094 | sanitize_path(fname, fname, "", 0); |
24d0fcde WD |
1095 | } else { |
1096 | if (argc-- == 0) | |
1097 | break; | |
1098 | strlcpy(fname, *argv++, MAXPATHLEN); | |
1099 | if (sanitize_paths) | |
33ffd7c3 | 1100 | sanitize_path(fname, fname, "", 0); |
24d0fcde | 1101 | } |
c627d613 | 1102 | |
649d65ed | 1103 | l = strlen(fname); |
9f125ea7 | 1104 | if (!l || fname[l - 1] == '/') { |
6931c138 WD |
1105 | if (l == 2 && fname[0] == '.') { |
1106 | /* Turn "./" into just "." rather than "./." */ | |
1107 | fname[1] = '\0'; | |
eddd5d12 WD |
1108 | } else if (l < MAXPATHLEN) { |
1109 | fname[l++] = '.'; | |
1110 | fname[l] = '\0'; | |
53f821f1 | 1111 | } |
649d65ed | 1112 | } |
45478cc7 | 1113 | if (fname[l-1] == '.' && (l == 1 || fname[l-2] == '/')) { |
7e037c42 | 1114 | if (!recurse && xfer_dirs) |
9f125ea7 WD |
1115 | recurse = 1; /* allow one level */ |
1116 | } else if (recurse > 0) | |
1117 | recurse = 0; | |
c627d613 | 1118 | |
314f4591 | 1119 | if (link_stat(fname, &st, keep_dirlinks) != 0) { |
134f4338 WD |
1120 | io_error |= IOERR_GENERAL; |
1121 | rsyserr(FERROR, errno, "link_stat %s failed", | |
1122 | full_fname(fname)); | |
649d65ed AT |
1123 | continue; |
1124 | } | |
c627d613 | 1125 | |
7e037c42 | 1126 | if (S_ISDIR(st.st_mode) && !xfer_dirs) { |
71903f60 WD |
1127 | rprintf(FINFO, "skipping directory %s\n", |
1128 | safe_fname(fname)); | |
649d65ed AT |
1129 | continue; |
1130 | } | |
c627d613 | 1131 | |
649d65ed | 1132 | dir = NULL; |
808c57c3 | 1133 | olddir[0] = '\0'; |
649d65ed AT |
1134 | |
1135 | if (!relative_paths) { | |
ebed4c3a | 1136 | p = strrchr(fname, '/'); |
649d65ed AT |
1137 | if (p) { |
1138 | *p = 0; | |
ebed4c3a | 1139 | if (p == fname) |
649d65ed AT |
1140 | dir = "/"; |
1141 | else | |
ebed4c3a MP |
1142 | dir = fname; |
1143 | fname = p + 1; | |
649d65ed | 1144 | } |
134f4338 | 1145 | } else if (implied_dirs && (p=strrchr(fname,'/')) && p != fname) { |
649d65ed AT |
1146 | /* this ensures we send the intermediate directories, |
1147 | thus getting their permissions right */ | |
2154309a | 1148 | char *lp = lastpath, *fn = fname, *slash = fname; |
649d65ed | 1149 | *p = 0; |
2154309a WD |
1150 | /* Skip any initial directories in our path that we |
1151 | * have in common with lastpath. */ | |
1152 | while (*fn && *lp == *fn) { | |
1153 | if (*fn == '/') | |
1154 | slash = fn; | |
1155 | lp++, fn++; | |
1156 | } | |
1157 | *p = '/'; | |
1158 | if (fn != p || (*lp && *lp != '/')) { | |
0f57446d | 1159 | int save_copy_links = copy_links; |
7e037c42 | 1160 | int save_xfer_dirs = xfer_dirs; |
2154309a | 1161 | copy_links = copy_unsafe_links; |
7e037c42 | 1162 | xfer_dirs = 1; |
2154309a WD |
1163 | while ((slash = strchr(slash+1, '/')) != 0) { |
1164 | *slash = 0; | |
1165 | send_file_name(f, flist, fname, 0, 0); | |
1166 | *slash = '/'; | |
649d65ed | 1167 | } |
0f57446d | 1168 | copy_links = save_copy_links; |
7e037c42 | 1169 | xfer_dirs = save_xfer_dirs; |
2154309a WD |
1170 | *p = 0; |
1171 | strlcpy(lastpath, fname, sizeof lastpath); | |
649d65ed AT |
1172 | *p = '/'; |
1173 | } | |
1174 | } | |
ebed4c3a | 1175 | |
649d65ed AT |
1176 | if (!*fname) |
1177 | fname = "."; | |
ebed4c3a | 1178 | |
649d65ed | 1179 | if (dir && *dir) { |
882e6893 WD |
1180 | static char *lastdir; |
1181 | static int lastdir_len; | |
1182 | ||
808c57c3 | 1183 | strcpy(olddir, curr_dir); /* can't overflow */ |
5243c216 | 1184 | |
808c57c3 | 1185 | if (!push_dir(dir)) { |
06c28400 | 1186 | io_error |= IOERR_GENERAL; |
d62bcc17 WD |
1187 | rsyserr(FERROR, errno, "push_dir %s failed", |
1188 | full_fname(dir)); | |
649d65ed AT |
1189 | continue; |
1190 | } | |
5243c216 | 1191 | |
882e6893 WD |
1192 | if (lastdir && strcmp(lastdir, dir) == 0) { |
1193 | flist_dir = lastdir; | |
1194 | flist_dir_len = lastdir_len; | |
1195 | } else { | |
882e6893 WD |
1196 | flist_dir = lastdir = strdup(dir); |
1197 | flist_dir_len = lastdir_len = strlen(dir); | |
1198 | } | |
2bca43f6 | 1199 | } |
ebed4c3a | 1200 | |
2bca43f6 | 1201 | if (one_file_system) |
45478cc7 | 1202 | filesystem_dev = st.st_dev; |
2bca43f6 | 1203 | |
9f125ea7 | 1204 | do_subdirs = recurse >= 1 ? recurse-- : recurse; |
ee3751c8 | 1205 | send_file_name(f, flist, fname, do_subdirs, XMIT_TOP_DIR); |
2bca43f6 | 1206 | |
808c57c3 | 1207 | if (olddir[0]) { |
649d65ed | 1208 | flist_dir = NULL; |
882e6893 | 1209 | flist_dir_len = 0; |
808c57c3 | 1210 | if (!pop_dir(olddir)) { |
d62bcc17 WD |
1211 | rsyserr(FERROR, errno, "pop_dir %s failed", |
1212 | full_fname(dir)); | |
65417579 | 1213 | exit_cleanup(RERR_FILESELECT); |
649d65ed | 1214 | } |
649d65ed | 1215 | } |
649d65ed | 1216 | } |
dc5ddbcc | 1217 | |
134f4338 WD |
1218 | gettimeofday(&end_tv, NULL); |
1219 | stats.flist_buildtime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000 | |
1220 | + (end_tv.tv_usec - start_tv.tv_usec) / 1000; | |
1221 | if (stats.flist_buildtime == 0) | |
1222 | stats.flist_buildtime = 1; | |
1223 | start_tv = end_tv; | |
31b4d25d | 1224 | |
134f4338 | 1225 | send_file_entry(NULL, f, 0); |
c627d613 | 1226 | |
134f4338 WD |
1227 | if (show_filelist_p()) |
1228 | finish_filelist_progress(flist); | |
31b4d25d | 1229 | |
134f4338 WD |
1230 | gettimeofday(&end_tv, NULL); |
1231 | stats.flist_xfertime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000 | |
1232 | + (end_tv.tv_usec - start_tv.tv_usec) / 1000; | |
ebed4c3a | 1233 | |
7cf8e8d0 | 1234 | if (flist->hlink_pool) { |
9935066b S |
1235 | pool_destroy(flist->hlink_pool); |
1236 | flist->hlink_pool = NULL; | |
1237 | } | |
1238 | ||
f5db0993 WD |
1239 | /* Sort the list without removing any duplicates. This allows the |
1240 | * receiving side to ask for any name they like, which gives us the | |
1241 | * flexibility to change the way we unduplicate names in the future | |
1242 | * without causing a compatibility problem with older versions. */ | |
827c37f6 | 1243 | clean_flist(flist, 0, 0); |
ebed4c3a | 1244 | |
134f4338 WD |
1245 | /* Now send the uid/gid list. This was introduced in |
1246 | * protocol version 15 */ | |
1247 | send_uid_list(f); | |
f6c34742 | 1248 | |
134f4338 WD |
1249 | /* send the io_error flag */ |
1250 | write_int(f, lp_ignore_errors(module_id) ? 0 : io_error); | |
6ba9279f | 1251 | |
134f4338 WD |
1252 | io_end_buffering(); |
1253 | stats.flist_size = stats.total_written - start_write; | |
1254 | stats.num_files = flist->count; | |
d6dead6b | 1255 | |
cefed3e8 | 1256 | if (verbose > 3) |
32cbfe7b | 1257 | output_flist(flist); |
cefed3e8 | 1258 | |
17faa41c | 1259 | if (verbose > 2) |
ebed4c3a | 1260 | rprintf(FINFO, "send_file_list done\n"); |
17faa41c | 1261 | |
649d65ed | 1262 | return flist; |
c627d613 AT |
1263 | } |
1264 | ||
1265 | ||
1266 | struct file_list *recv_file_list(int f) | |
1267 | { | |
ebed4c3a | 1268 | struct file_list *flist; |
1ef00d20 | 1269 | unsigned short flags; |
ebed4c3a | 1270 | int64 start_read; |
c627d613 | 1271 | |
1bbd10fe DD |
1272 | if (show_filelist_p()) |
1273 | start_filelist_progress("receiving file list"); | |
c627d613 | 1274 | |
ebed4c3a | 1275 | start_read = stats.total_read; |
a800434a | 1276 | |
9935066b | 1277 | flist = flist_new(WITH_HLINK, "recv_file_list"); |
c627d613 | 1278 | |
ebed4c3a MP |
1279 | flist->count = 0; |
1280 | flist->malloced = 1000; | |
58cadc86 | 1281 | flist->files = new_array(struct file_struct *, flist->malloced); |
ebed4c3a MP |
1282 | if (!flist->files) |
1283 | goto oom; | |
c627d613 AT |
1284 | |
1285 | ||
1ef00d20 | 1286 | while ((flags = read_byte(f)) != 0) { |
f5db0993 | 1287 | struct file_struct *file; |
dbda5fbf | 1288 | |
d9d6bc52 | 1289 | flist_expand(flist); |
c627d613 | 1290 | |
d01d15e0 | 1291 | if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS)) |
75bc8600 | 1292 | flags |= read_byte(f) << 8; |
f5db0993 | 1293 | file = receive_file_entry(flist, flags, f); |
c627d613 | 1294 | |
f5db0993 WD |
1295 | if (S_ISREG(file->mode)) |
1296 | stats.total_size += file->length; | |
c627d613 | 1297 | |
f5db0993 | 1298 | flist->files[flist->count++] = file; |
c627d613 | 1299 | |
db719fb0 | 1300 | maybe_emit_filelist_progress(flist); |
1bbd10fe | 1301 | |
8018edd3 | 1302 | if (verbose > 2) { |
ebed4c3a | 1303 | rprintf(FINFO, "recv_file_name(%s)\n", |
f5db0993 | 1304 | safe_fname(f_name(file))); |
8018edd3 | 1305 | } |
ebed4c3a | 1306 | } |
f5db0993 | 1307 | receive_file_entry(NULL, 0, 0); /* Signal that we're done. */ |
c627d613 | 1308 | |
ebed4c3a MP |
1309 | if (verbose > 2) |
1310 | rprintf(FINFO, "received %d names\n", flist->count); | |
c627d613 | 1311 | |
b7736c79 | 1312 | if (show_filelist_p()) |
1bbd10fe | 1313 | finish_filelist_progress(flist); |
a06d19e3 | 1314 | |
983b1ed3 WD |
1315 | clean_flist(flist, relative_paths, 1); |
1316 | ||
37802f40 | 1317 | if (f >= 0) { |
785db4ce WD |
1318 | /* Now send the uid/gid list. This was introduced in |
1319 | * protocol version 15 */ | |
ebed4c3a | 1320 | recv_uid_list(f, flist); |
f6c34742 | 1321 | |
b9f592fb WD |
1322 | /* Recv the io_error flag */ |
1323 | if (lp_ignore_errors(module_id) || ignore_errors) | |
1324 | read_int(f); | |
1325 | else | |
1326 | io_error |= read_int(f); | |
ebed4c3a | 1327 | } |
6ba9279f | 1328 | |
cefed3e8 | 1329 | if (verbose > 3) |
32cbfe7b | 1330 | output_flist(flist); |
cefed3e8 | 1331 | |
ebed4c3a MP |
1332 | if (list_only) { |
1333 | int i; | |
b7736c79 | 1334 | for (i = 0; i < flist->count; i++) |
ebed4c3a | 1335 | list_file_entry(flist->files[i]); |
ebed4c3a | 1336 | } |
f7632fc6 | 1337 | |
ebed4c3a MP |
1338 | if (verbose > 2) |
1339 | rprintf(FINFO, "recv_file_list done\n"); | |
17faa41c | 1340 | |
ebed4c3a MP |
1341 | stats.flist_size = stats.total_read - start_read; |
1342 | stats.num_files = flist->count; | |
a800434a | 1343 | |
ebed4c3a | 1344 | return flist; |
c627d613 | 1345 | |
3e491682 | 1346 | oom: |
ebed4c3a MP |
1347 | out_of_memory("recv_file_list"); |
1348 | return NULL; /* not reached */ | |
c627d613 AT |
1349 | } |
1350 | ||
1351 | ||
14698a3a | 1352 | static int file_compare(struct file_struct **file1, struct file_struct **file2) |
c627d613 | 1353 | { |
14698a3a | 1354 | return f_name_cmp(*file1, *file2); |
c627d613 AT |
1355 | } |
1356 | ||
1357 | ||
f5db0993 WD |
1358 | /* Search for an identically-named item in the file list. Note that the |
1359 | * items must agree in their directory-ness, or no match is returned. */ | |
2f3cad89 | 1360 | int flist_find(struct file_list *flist, struct file_struct *f) |
c627d613 | 1361 | { |
f3c3ed44 WD |
1362 | int low = flist->low, high = flist->high; |
1363 | int ret, mid, mid_up; | |
1364 | ||
1365 | while (low <= high) { | |
1366 | mid = (low + high) / 2; | |
1367 | for (mid_up = mid; !flist->files[mid_up]->basename; mid_up++) {} | |
1368 | if (mid_up <= high) | |
14698a3a | 1369 | ret = f_name_cmp(flist->files[mid_up], f); |
f3c3ed44 WD |
1370 | else |
1371 | ret = 1; | |
f5db0993 WD |
1372 | if (ret == 0) { |
1373 | if (protocol_version < 29 | |
1374 | && S_ISDIR(flist->files[mid_up]->mode) | |
1375 | != S_ISDIR(f->mode)) | |
1376 | return -1; | |
f3c3ed44 | 1377 | return mid_up; |
f5db0993 | 1378 | } |
b7736c79 | 1379 | if (ret > 0) |
f3c3ed44 | 1380 | high = mid - 1; |
b7736c79 | 1381 | else |
f3c3ed44 | 1382 | low = mid_up + 1; |
d966ee25 | 1383 | } |
d966ee25 | 1384 | return -1; |
c627d613 AT |
1385 | } |
1386 | ||
f5db0993 | 1387 | |
3ec4dd97 | 1388 | /* |
9935066b S |
1389 | * Free up any resources a file_struct has allocated |
1390 | * and clear the file. | |
3ec4dd97 | 1391 | */ |
9935066b | 1392 | void clear_file(int i, struct file_list *flist) |
c627d613 | 1393 | { |
9935066b S |
1394 | if (flist->hlink_pool && flist->files[i]->link_u.idev) |
1395 | pool_free(flist->hlink_pool, 0, flist->files[i]->link_u.idev); | |
1396 | memset(flist->files[i], 0, file_struct_len); | |
3ec4dd97 | 1397 | } |
c627d613 | 1398 | |
c627d613 | 1399 | |
3d382777 AT |
1400 | /* |
1401 | * allocate a new file list | |
1402 | */ | |
9935066b | 1403 | struct file_list *flist_new(int with_hlink, char *msg) |
3d382777 AT |
1404 | { |
1405 | struct file_list *flist; | |
1406 | ||
58cadc86 | 1407 | flist = new(struct file_list); |
ebed4c3a | 1408 | if (!flist) |
9935066b | 1409 | out_of_memory(msg); |
3d382777 | 1410 | |
9935066b S |
1411 | memset(flist, 0, sizeof (struct file_list)); |
1412 | ||
1413 | if (!(flist->file_pool = pool_create(FILE_EXTENT, 0, | |
1414 | out_of_memory, POOL_INTERN))) | |
1415 | out_of_memory(msg); | |
1416 | ||
4f5b0756 | 1417 | #ifdef SUPPORT_HARD_LINKS |
9935066b | 1418 | if (with_hlink && preserve_hard_links) { |
3e491682 | 1419 | if (!(flist->hlink_pool = pool_create(HLINK_EXTENT, |
9935066b S |
1420 | sizeof (struct idev), out_of_memory, POOL_INTERN))) |
1421 | out_of_memory(msg); | |
1422 | } | |
1423 | #endif | |
d9d6bc52 | 1424 | |
3d382777 AT |
1425 | return flist; |
1426 | } | |
ebed4c3a | 1427 | |
3ec4dd97 AT |
1428 | /* |
1429 | * free up all elements in a flist | |
1430 | */ | |
1431 | void flist_free(struct file_list *flist) | |
1432 | { | |
9935066b S |
1433 | pool_destroy(flist->file_pool); |
1434 | pool_destroy(flist->hlink_pool); | |
3ec4dd97 | 1435 | free(flist->files); |
3ec4dd97 | 1436 | free(flist); |
c627d613 AT |
1437 | } |
1438 | ||
1439 | ||
1440 | /* | |
1441 | * This routine ensures we don't have any duplicate names in our file list. | |
dbda5fbf | 1442 | * duplicate names can cause corruption because of the pipelining |
c627d613 | 1443 | */ |
827c37f6 | 1444 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups) |
c627d613 | 1445 | { |
6931c138 | 1446 | int i, prev_i = 0; |
c627d613 | 1447 | |
ebed4c3a | 1448 | if (!flist || flist->count == 0) |
3ec4dd97 | 1449 | return; |
3ec4dd97 | 1450 | |
bf0c5bec | 1451 | sorting_flist = flist; |
ebed4c3a | 1452 | qsort(flist->files, flist->count, |
a4a7e64c | 1453 | sizeof flist->files[0], (int (*)())file_compare); |
bf0c5bec | 1454 | sorting_flist = NULL; |
ebed4c3a | 1455 | |
827c37f6 | 1456 | for (i = no_dups? 0 : flist->count; i < flist->count; i++) { |
b91b50c0 | 1457 | if (flist->files[i]->basename) { |
6931c138 | 1458 | prev_i = i; |
b91b50c0 WD |
1459 | break; |
1460 | } | |
1461 | } | |
f3c3ed44 | 1462 | flist->low = prev_i; |
b91b50c0 | 1463 | while (++i < flist->count) { |
fe1c19dc | 1464 | int j; |
f5db0993 WD |
1465 | struct file_struct *file = flist->files[i]; |
1466 | ||
1467 | if (!file->basename) | |
b91b50c0 | 1468 | continue; |
fe1c19dc WD |
1469 | if (f_name_cmp(file, flist->files[prev_i]) == 0) |
1470 | j = prev_i; | |
1471 | else if (protocol_version >= 29 && S_ISDIR(file->mode)) { | |
f5db0993 WD |
1472 | int save_mode = file->mode; |
1473 | /* Make sure that this directory doesn't duplicate a | |
1474 | * non-directory earlier in the list. */ | |
f5db0993 | 1475 | flist->high = prev_i; |
fe1c19dc WD |
1476 | file->mode = S_IFREG; |
1477 | j = flist_find(flist, file); | |
f5db0993 | 1478 | file->mode = save_mode; |
fe1c19dc WD |
1479 | } else |
1480 | j = -1; | |
1481 | if (j >= 0) { | |
1482 | struct file_struct *fp = flist->files[j]; | |
1483 | int keep, drop; | |
1484 | /* If one is a dir and the other is not, we want to | |
1485 | * keep the dir because it might have contents in the | |
1486 | * list. */ | |
1487 | if (S_ISDIR(file->mode) != S_ISDIR(fp->mode)) { | |
1488 | if (S_ISDIR(file->mode)) | |
1489 | keep = i, drop = j; | |
1490 | else | |
1491 | keep = j, drop = i; | |
1492 | } else | |
1493 | keep = j, drop = i; | |
b91b50c0 | 1494 | if (verbose > 1 && !am_server) { |
ebed4c3a | 1495 | rprintf(FINFO, |
fe1c19dc WD |
1496 | "removing duplicate name %s from file list (%d)\n", |
1497 | safe_fname(f_name(file)), drop); | |
b91b50c0 | 1498 | } |
6931c138 | 1499 | /* Make sure that if we unduplicate '.', that we don't |
ee3751c8 | 1500 | * lose track of a user-specified top directory. */ |
fe1c19dc WD |
1501 | if (flist->files[drop]->flags & FLAG_TOP_DIR) |
1502 | flist->files[keep]->flags |= FLAG_TOP_DIR; | |
1503 | ||
1504 | clear_file(drop, flist); | |
9935066b | 1505 | |
fe1c19dc WD |
1506 | if (keep == i) { |
1507 | if (flist->low == drop) { | |
1508 | for (j = drop + 1; | |
1509 | j < i && !flist->files[j]->basename; | |
1510 | j++) {} | |
1511 | flist->low = j; | |
1512 | } | |
1513 | prev_i = i; | |
1514 | } | |
728d0922 | 1515 | } else |
6931c138 | 1516 | prev_i = i; |
3ec4dd97 | 1517 | } |
f5db0993 | 1518 | flist->high = no_dups ? prev_i : flist->count - 1; |
0199b05f AT |
1519 | |
1520 | if (strip_root) { | |
f5db0993 WD |
1521 | /* We need to strip off the leading slashes for relative |
1522 | * paths, but this must be done _after_ the sorting phase. */ | |
1523 | for (i = flist->low; i <= flist->high; i++) { | |
1524 | struct file_struct *file = flist->files[i]; | |
ebed4c3a | 1525 | |
f5db0993 WD |
1526 | if (!file->dirname) |
1527 | continue; | |
1528 | if (*file->dirname == '/') { | |
1529 | char *s = file->dirname + 1; | |
1530 | while (*s == '/') s++; | |
1531 | memmove(file->dirname, s, strlen(s) + 1); | |
0199b05f | 1532 | } |
f5db0993 WD |
1533 | |
1534 | if (!*file->dirname) | |
1535 | file->dirname = NULL; | |
0199b05f AT |
1536 | } |
1537 | } | |
cefed3e8 | 1538 | } |
0199b05f | 1539 | |
32cbfe7b WD |
1540 | |
1541 | static void output_flist(struct file_list *flist) | |
cefed3e8 | 1542 | { |
f3c3ed44 | 1543 | char uidbuf[16], gidbuf[16], depthbuf[16]; |
cefed3e8 | 1544 | struct file_struct *file; |
32cbfe7b | 1545 | const char *who = who_am_i(); |
cefed3e8 | 1546 | int i; |
0199b05f | 1547 | |
ebed4c3a | 1548 | for (i = 0; i < flist->count; i++) { |
cefed3e8 | 1549 | file = flist->files[i]; |
56194bcd | 1550 | if ((am_root || am_sender) && preserve_uid) |
f05f993e WD |
1551 | sprintf(uidbuf, " uid=%ld", (long)file->uid); |
1552 | else | |
1553 | *uidbuf = '\0'; | |
cefed3e8 | 1554 | if (preserve_gid && file->gid != GID_NONE) |
f05f993e WD |
1555 | sprintf(gidbuf, " gid=%ld", (long)file->gid); |
1556 | else | |
1557 | *gidbuf = '\0'; | |
f3c3ed44 WD |
1558 | if (!am_sender) |
1559 | sprintf(depthbuf, "%d", file->dir.depth); | |
14698a3a | 1560 | rprintf(FINFO, "[%s] i=%d %s %s%s%s%s mode=0%o len=%.0f%s%s flags=%x\n", |
32cbfe7b | 1561 | who, i, am_sender ? NS(file->dir.root) : depthbuf, |
71903f60 | 1562 | file->dirname ? safe_fname(file->dirname) : "", |
14698a3a WD |
1563 | file->dirname ? "/" : "", NS(file->basename), |
1564 | S_ISDIR(file->mode) ? "/" : "", (int)file->mode, | |
f3c3ed44 | 1565 | (double)file->length, uidbuf, gidbuf, file->flags); |
0199b05f | 1566 | } |
3ec4dd97 AT |
1567 | } |
1568 | ||
1569 | ||
8824e2ce | 1570 | enum fnc_state { s_DIR, s_SLASH, s_BASE, s_TRAILING }; |
f5db0993 | 1571 | enum fnc_type { t_PATH, t_ITEM }; |
8018edd3 | 1572 | |
2f3cad89 | 1573 | /* Compare the names of two file_struct entities, similar to how strcmp() |
f5db0993 WD |
1574 | * would do if it were operating on the joined strings. |
1575 | * | |
1576 | * Some differences beginning with protocol_version 29: (1) directory names | |
1577 | * are compared with an assumed trailing slash so that they compare in a | |
1578 | * way that would cause them to sort immediately prior to any content they | |
1579 | * may have; (2) a directory of any name compares after a non-directory of | |
1580 | * any name at the same depth; (3) a directory with name "." compares prior | |
1581 | * to anything else. These changes mean that a directory and a non-dir | |
1582 | * with the same name will not compare as equal (protocol_version >= 29). | |
1583 | * | |
1584 | * The dirname component can be an empty string, but the basename component | |
1585 | * cannot (and never is in the current codebase). The basename component | |
1586 | * may be NULL (for a removed item), in which case it is considered to be | |
1587 | * after any existing item. */ | |
8018edd3 | 1588 | int f_name_cmp(struct file_struct *f1, struct file_struct *f2) |
3ec4dd97 | 1589 | { |
8018edd3 WD |
1590 | int dif; |
1591 | const uchar *c1, *c2; | |
1ef00d20 | 1592 | enum fnc_state state1, state2; |
f5db0993 WD |
1593 | enum fnc_type type1, type2; |
1594 | enum fnc_type t_path = protocol_version >= 29 ? t_PATH : t_ITEM; | |
8018edd3 WD |
1595 | |
1596 | if (!f1 || !f1->basename) { | |
1597 | if (!f2 || !f2->basename) | |
1598 | return 0; | |
1599 | return -1; | |
1600 | } | |
1601 | if (!f2 || !f2->basename) | |
1602 | return 1; | |
1603 | ||
14698a3a WD |
1604 | c1 = (uchar*)f1->dirname; |
1605 | c2 = (uchar*)f2->dirname; | |
1606 | if (c1 == c2) | |
1607 | c1 = c2 = NULL; | |
1608 | if (!c1) { | |
f5db0993 | 1609 | type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM; |
e90b8ace | 1610 | c1 = (uchar*)f1->basename; |
f5db0993 WD |
1611 | if (type1 == t_PATH && *c1 == '.' && !c1[1]) { |
1612 | type1 = t_ITEM; | |
1613 | state1 = s_TRAILING; | |
1614 | c1 = (uchar*)""; | |
1615 | } else | |
1616 | state1 = s_BASE; | |
080ddf58 | 1617 | } else if (!*c1) { |
f5db0993 | 1618 | type1 = t_path; |
8824e2ce | 1619 | state1 = s_SLASH; |
080ddf58 | 1620 | c1 = (uchar*)"/"; |
f5db0993 WD |
1621 | } else { |
1622 | type1 = t_path; | |
8824e2ce | 1623 | state1 = s_DIR; |
f5db0993 | 1624 | } |
14698a3a | 1625 | if (!c2) { |
f5db0993 | 1626 | type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM; |
e90b8ace | 1627 | c2 = (uchar*)f2->basename; |
f5db0993 WD |
1628 | if (type2 == t_PATH && *c2 == '.' && !c2[1]) { |
1629 | type2 = t_ITEM; | |
1630 | state2 = s_TRAILING; | |
1631 | c2 = (uchar*)""; | |
1632 | } else | |
1633 | state2 = s_BASE; | |
080ddf58 | 1634 | } else if (!*c2) { |
f5db0993 | 1635 | type2 = t_path; |
8824e2ce | 1636 | state2 = s_SLASH; |
080ddf58 | 1637 | c2 = (uchar*)"/"; |
f5db0993 WD |
1638 | } else { |
1639 | type2 = t_path; | |
8824e2ce | 1640 | state2 = s_DIR; |
f5db0993 WD |
1641 | } |
1642 | ||
1643 | if (type1 != type2) | |
1644 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 WD |
1645 | |
1646 | while (1) { | |
f5db0993 | 1647 | if ((dif = (int)*c1++ - (int)*c2++) != 0) |
8018edd3 | 1648 | break; |
f5db0993 | 1649 | if (!*c1) { |
8018edd3 | 1650 | switch (state1) { |
8824e2ce WD |
1651 | case s_DIR: |
1652 | state1 = s_SLASH; | |
e90b8ace | 1653 | c1 = (uchar*)"/"; |
8018edd3 | 1654 | break; |
8824e2ce | 1655 | case s_SLASH: |
f5db0993 | 1656 | type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM; |
8824e2ce | 1657 | state1 = s_BASE; |
e90b8ace | 1658 | c1 = (uchar*)f1->basename; |
8018edd3 | 1659 | break; |
8824e2ce WD |
1660 | case s_BASE: |
1661 | state1 = s_TRAILING; | |
f5db0993 | 1662 | if (type1 == t_PATH) { |
2f3cad89 | 1663 | c1 = (uchar*)"/"; |
f5db0993 WD |
1664 | break; |
1665 | } | |
1666 | /* FALL THROUGH */ | |
8824e2ce | 1667 | case s_TRAILING: |
f5db0993 | 1668 | type1 = t_ITEM; |
8018edd3 WD |
1669 | break; |
1670 | } | |
f5db0993 WD |
1671 | if (*c2 && type1 != type2) |
1672 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 | 1673 | } |
f5db0993 | 1674 | if (!*c2) { |
8018edd3 | 1675 | switch (state2) { |
8824e2ce | 1676 | case s_DIR: |
bf0c5bec WD |
1677 | if (state1 == s_SLASH && sorting_flist) { |
1678 | int j; | |
1679 | /* Optimize for future comparisons. */ | |
1680 | for (j = 0; | |
1681 | j < sorting_flist->count; | |
1682 | j++) { | |
1683 | struct file_struct *fp | |
1684 | = sorting_flist->files[j]; | |
1685 | if (fp->dirname == f2->dirname) | |
1686 | fp->dirname = f1->dirname; | |
1687 | } | |
1688 | } | |
8824e2ce | 1689 | state2 = s_SLASH; |
e90b8ace | 1690 | c2 = (uchar*)"/"; |
8018edd3 | 1691 | break; |
8824e2ce | 1692 | case s_SLASH: |
f5db0993 | 1693 | type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM; |
8824e2ce | 1694 | state2 = s_BASE; |
e90b8ace | 1695 | c2 = (uchar*)f2->basename; |
8018edd3 | 1696 | break; |
8824e2ce | 1697 | case s_BASE: |
8824e2ce | 1698 | state2 = s_TRAILING; |
f5db0993 | 1699 | if (type2 == t_PATH) { |
2f3cad89 | 1700 | c2 = (uchar*)"/"; |
f5db0993 WD |
1701 | break; |
1702 | } | |
1703 | /* FALL THROUGH */ | |
8824e2ce | 1704 | case s_TRAILING: |
f5db0993 WD |
1705 | if (!*c1) |
1706 | return 0; | |
1707 | type2 = t_ITEM; | |
8018edd3 WD |
1708 | break; |
1709 | } | |
f5db0993 WD |
1710 | if (type1 != type2) |
1711 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 WD |
1712 | } |
1713 | } | |
1714 | ||
1715 | return dif; | |
1716 | } | |
1717 | ||
3ec4dd97 | 1718 | |
8018edd3 | 1719 | /* Return a copy of the full filename of a flist entry, using the indicated |
882e6893 WD |
1720 | * buffer. No size-checking is done because we checked the size when creating |
1721 | * the file_struct entry. | |
8018edd3 | 1722 | */ |
882e6893 | 1723 | char *f_name_to(struct file_struct *f, char *fbuf) |
8018edd3 | 1724 | { |
ebed4c3a MP |
1725 | if (!f || !f->basename) |
1726 | return NULL; | |
3ec4dd97 | 1727 | |
3ec4dd97 | 1728 | if (f->dirname) { |
882e6893 WD |
1729 | int len = strlen(f->dirname); |
1730 | memcpy(fbuf, f->dirname, len); | |
1731 | fbuf[len] = '/'; | |
1732 | strcpy(fbuf + len + 1, f->basename); | |
8018edd3 | 1733 | } else |
882e6893 | 1734 | strcpy(fbuf, f->basename); |
b7736c79 | 1735 | return fbuf; |
8018edd3 | 1736 | } |
e03dfae5 | 1737 | |
3ec4dd97 | 1738 | |
45478cc7 | 1739 | /* Like f_name_to(), but we rotate through 5 static buffers of our own. */ |
8018edd3 WD |
1740 | char *f_name(struct file_struct *f) |
1741 | { | |
1742 | static char names[5][MAXPATHLEN]; | |
1743 | static unsigned int n; | |
1744 | ||
1745 | n = (n + 1) % (sizeof names / sizeof names[0]); | |
1746 | ||
882e6893 | 1747 | return f_name_to(f, names[n]); |
c627d613 | 1748 | } |
649f8742 | 1749 | |
45478cc7 | 1750 | |
32cbfe7b WD |
1751 | /* Do a non-recursive scan of the named directory, possibly ignoring all |
1752 | * exclude rules except for the daemon's. If "dlen" is >=0, it is the length | |
1753 | * of the dirname string, and also indicates that "dirname" is a MAXPATHLEN | |
1754 | * buffer (the functions we call will append names onto the end, but the old | |
1755 | * dir value will be restored on exit). */ | |
1756 | struct file_list *get_dirlist(char *dirname, int dlen, | |
1757 | int ignore_filter_rules) | |
37802f40 WD |
1758 | { |
1759 | struct file_list *dirlist; | |
1760 | char dirbuf[MAXPATHLEN]; | |
37802f40 WD |
1761 | int save_recurse = recurse; |
1762 | ||
32cbfe7b WD |
1763 | if (dlen < 0) { |
1764 | dlen = strlcpy(dirbuf, dirname, MAXPATHLEN); | |
1765 | if (dlen >= MAXPATHLEN) | |
1766 | return NULL; | |
1767 | dirname = dirbuf; | |
1768 | } | |
37802f40 WD |
1769 | |
1770 | dirlist = flist_new(WITHOUT_HLINK, "get_dirlist"); | |
32cbfe7b | 1771 | |
37802f40 | 1772 | recurse = 0; |
32cbfe7b | 1773 | send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen); |
37802f40 WD |
1774 | recurse = save_recurse; |
1775 | ||
564ef546 WD |
1776 | clean_flist(dirlist, 0, 0); |
1777 | ||
45478cc7 | 1778 | if (verbose > 3) |
32cbfe7b | 1779 | output_flist(dirlist); |
45478cc7 | 1780 | |
32cbfe7b | 1781 | return dirlist; |
45478cc7 | 1782 | } |