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]; |
53135fe8 | 72 | static int flist_count_offset; |
9935066b | 73 | static unsigned int file_struct_len; |
d64e6f42 | 74 | static struct file_list *sorting_flist; |
3d382777 | 75 | |
827c37f6 | 76 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups); |
32cbfe7b | 77 | static void output_flist(struct file_list *flist); |
0199b05f | 78 | |
61dec11a WD |
79 | void init_flist(void) |
80 | { | |
1f9ae80a | 81 | struct file_struct f; |
61dec11a | 82 | |
1f9ae80a | 83 | /* Figure out how big the file_struct is without trailing padding */ |
7cf8e8d0 | 84 | file_struct_len = offsetof(struct file_struct, flags) + sizeof f.flags; |
61dec11a WD |
85 | } |
86 | ||
87 | ||
1bbd10fe | 88 | static int show_filelist_p(void) |
58225000 | 89 | { |
7e037c42 | 90 | return verbose && xfer_dirs && !am_server; |
1bbd10fe | 91 | } |
ebed4c3a | 92 | |
1bbd10fe DD |
93 | static void start_filelist_progress(char *kind) |
94 | { | |
95 | rprintf(FINFO, "%s ... ", kind); | |
e5ce3bcf | 96 | if (verbose > 1 || do_progress) |
1bbd10fe DD |
97 | rprintf(FINFO, "\n"); |
98 | rflush(FINFO); | |
58225000 MP |
99 | } |
100 | ||
db719fb0 | 101 | |
53135fe8 | 102 | static void emit_filelist_progress(int count) |
db719fb0 | 103 | { |
53135fe8 | 104 | rprintf(FINFO, " %d files...\r", count); |
db719fb0 MP |
105 | } |
106 | ||
107 | ||
53135fe8 | 108 | static void maybe_emit_filelist_progress(int count) |
58225000 | 109 | { |
53135fe8 WD |
110 | if (do_progress && show_filelist_p() && (count % 100) == 0) |
111 | emit_filelist_progress(count); | |
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 | |
e5ce3bcf | 135 | if (!f->basename) { |
7212be92 DD |
136 | /* this can happen if duplicate names were removed */ |
137 | return; | |
e5ce3bcf | 138 | } |
7212be92 | 139 | |
740819ef MP |
140 | permstring(perms, f->mode); |
141 | ||
4f5b0756 | 142 | #ifdef SUPPORT_LINKS |
f7632fc6 | 143 | if (preserve_links && S_ISLNK(f->mode)) { |
ebed4c3a MP |
144 | rprintf(FINFO, "%s %11.0f %s %s -> %s\n", |
145 | perms, | |
a4a7e64c | 146 | (double)f->length, timestring(f->modtime), |
71903f60 | 147 | safe_fname(f_name(f)), safe_fname(f->u.link)); |
0d162bd1 WD |
148 | } else |
149 | #endif | |
e5ce3bcf | 150 | { |
ebed4c3a MP |
151 | rprintf(FINFO, "%s %11.0f %s %s\n", |
152 | perms, | |
a4a7e64c | 153 | (double)f->length, timestring(f->modtime), |
54b40598 | 154 | safe_fname(f_name(f))); |
e5ce3bcf | 155 | } |
f7632fc6 AT |
156 | } |
157 | ||
158 | ||
bd9e9ecc MP |
159 | /** |
160 | * Stat either a symlink or its referent, depending on the settings of | |
161 | * copy_links, copy_unsafe_links, etc. | |
162 | * | |
4e5db0ad MP |
163 | * @retval -1 on error |
164 | * | |
165 | * @retval 0 for success | |
166 | * | |
167 | * @post If @p path is a symlink, then @p linkbuf (of size @c | |
bd9e9ecc | 168 | * MAXPATHLEN) contains the symlink target. |
4e5db0ad MP |
169 | * |
170 | * @post @p buffer contains information about the link or the | |
171 | * referrent as appropriate, if they exist. | |
bd9e9ecc | 172 | **/ |
23f4587f | 173 | static int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf) |
b5313607 | 174 | { |
4f5b0756 | 175 | #ifdef SUPPORT_LINKS |
b7736c79 | 176 | if (copy_links) |
6f2623fd | 177 | return do_stat(path, buffer); |
23f4587f | 178 | if (link_stat(path, buffer, 0) < 0) |
b5313607 | 179 | return -1; |
6f2623fd | 180 | if (S_ISLNK(buffer->st_mode)) { |
a4a7e64c | 181 | int l = readlink((char *)path, linkbuf, MAXPATHLEN - 1); |
dbda5fbf | 182 | if (l == -1) |
b5313607 | 183 | return -1; |
6f2623fd | 184 | linkbuf[l] = 0; |
fc638474 DD |
185 | if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) { |
186 | if (verbose > 1) { | |
dbda5fbf | 187 | rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n", |
71903f60 | 188 | safe_fname(path), safe_fname(linkbuf)); |
fc638474 | 189 | } |
6f2623fd | 190 | return do_stat(path, buffer); |
b5313607 DD |
191 | } |
192 | } | |
193 | return 0; | |
194 | #else | |
6f2623fd | 195 | return do_stat(path, buffer); |
b5313607 DD |
196 | #endif |
197 | } | |
198 | ||
314f4591 | 199 | int link_stat(const char *path, STRUCT_STAT *buffer, int follow_dirlinks) |
82306bf6 | 200 | { |
4f5b0756 | 201 | #ifdef SUPPORT_LINKS |
b7736c79 | 202 | if (copy_links) |
6f2623fd | 203 | return do_stat(path, buffer); |
314f4591 WD |
204 | if (do_lstat(path, buffer) < 0) |
205 | return -1; | |
206 | if (follow_dirlinks && S_ISLNK(buffer->st_mode)) { | |
207 | STRUCT_STAT st; | |
208 | if (do_stat(path, &st) == 0 && S_ISDIR(st.st_mode)) | |
209 | *buffer = st; | |
210 | } | |
211 | return 0; | |
82306bf6 | 212 | #else |
6f2623fd | 213 | return do_stat(path, buffer); |
82306bf6 AT |
214 | #endif |
215 | } | |
216 | ||
7842418b | 217 | /* This function is used to check if a file should be included/excluded |
429f9828 | 218 | * from the list of files based on its name and type etc. The value of |
7842418b WD |
219 | * filter_level is set to either SERVER_FILTERS or ALL_FILTERS. */ |
220 | static int is_excluded(char *fname, int is_dir, int filter_level) | |
c627d613 | 221 | { |
7d687932 | 222 | #if 0 /* This currently never happens, so avoid a useless compare. */ |
7842418b | 223 | if (filter_level == NO_FILTERS) |
429f9828 WD |
224 | return 0; |
225 | #endif | |
6931c138 | 226 | if (fname) { |
429f9828 | 227 | /* never exclude '.', even if somebody does --exclude '*' */ |
6931c138 WD |
228 | if (fname[0] == '.' && !fname[1]) |
229 | return 0; | |
230 | /* Handle the -R version of the '.' dir. */ | |
231 | if (fname[0] == '/') { | |
232 | int len = strlen(fname); | |
233 | if (fname[len-1] == '.' && fname[len-2] == '/') | |
234 | return 0; | |
235 | } | |
76e26e10 | 236 | } |
7842418b WD |
237 | if (server_filter_list.head |
238 | && check_filter(&server_filter_list, fname, is_dir) < 0) | |
429f9828 | 239 | return 1; |
7842418b | 240 | if (filter_level != ALL_FILTERS) |
429f9828 | 241 | return 0; |
7842418b WD |
242 | if (filter_list.head |
243 | && check_filter(&filter_list, fname, is_dir) < 0) | |
76e26e10 | 244 | return 1; |
76e26e10 | 245 | return 0; |
c627d613 AT |
246 | } |
247 | ||
b280a1f4 AT |
248 | static int to_wire_mode(mode_t mode) |
249 | { | |
4f5b0756 | 250 | #ifdef SUPPORT_LINKS |
b7736c79 | 251 | if (S_ISLNK(mode) && (_S_IFLNK != 0120000)) |
b280a1f4 | 252 | return (mode & ~(_S_IFMT)) | 0120000; |
0d162bd1 | 253 | #endif |
a4a7e64c | 254 | return (int)mode; |
b280a1f4 AT |
255 | } |
256 | ||
257 | static mode_t from_wire_mode(int mode) | |
258 | { | |
b7736c79 | 259 | if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000)) |
efe3037c | 260 | return (mode & ~(_S_IFMT)) | _S_IFLNK; |
a4a7e64c | 261 | return (mode_t)mode; |
b280a1f4 AT |
262 | } |
263 | ||
264 | ||
f1773e09 | 265 | static void send_directory(int f, struct file_list *flist, |
32cbfe7b | 266 | char *fbuf, int len); |
c627d613 | 267 | |
3a6a366f | 268 | static char *flist_dir; |
882e6893 | 269 | static int flist_dir_len; |
c627d613 | 270 | |
3ec4dd97 | 271 | |
d9d6bc52 MP |
272 | /** |
273 | * Make sure @p flist is big enough to hold at least @p flist->count | |
274 | * entries. | |
275 | **/ | |
a85906c7 | 276 | void flist_expand(struct file_list *flist) |
d9d6bc52 | 277 | { |
0501f363 | 278 | struct file_struct **new_ptr; |
2e7d1994 | 279 | |
a85906c7 S |
280 | if (flist->count < flist->malloced) |
281 | return; | |
dbda5fbf | 282 | |
a85906c7 S |
283 | if (flist->malloced < FLIST_START) |
284 | flist->malloced = FLIST_START; | |
285 | else if (flist->malloced >= FLIST_LINEAR) | |
286 | flist->malloced += FLIST_LINEAR; | |
287 | else | |
288 | flist->malloced *= 2; | |
289 | ||
290 | /* | |
291 | * In case count jumped or we are starting the list | |
292 | * with a known size just set it. | |
293 | */ | |
294 | if (flist->malloced < flist->count) | |
295 | flist->malloced = flist->count; | |
296 | ||
0501f363 WD |
297 | new_ptr = realloc_array(flist->files, struct file_struct *, |
298 | flist->malloced); | |
2e7d1994 | 299 | |
8c483820 | 300 | if (verbose >= 2 && flist->malloced != FLIST_START) { |
a85906c7 S |
301 | rprintf(FINFO, "[%s] expand file_list to %.0f bytes, did%s move\n", |
302 | who_am_i(), | |
a4a7e64c | 303 | (double)sizeof flist->files[0] * flist->malloced, |
a85906c7 | 304 | (new_ptr == flist->files) ? " not" : ""); |
d9d6bc52 | 305 | } |
a85906c7 | 306 | |
0501f363 | 307 | flist->files = new_ptr; |
a85906c7 S |
308 | |
309 | if (!flist->files) | |
310 | out_of_memory("flist_expand"); | |
d9d6bc52 MP |
311 | } |
312 | ||
7b1a0c19 | 313 | void send_file_entry(struct file_struct *file, int f, unsigned short base_flags) |
c627d613 | 314 | { |
1ef00d20 | 315 | unsigned short flags; |
5911fee5 WD |
316 | static time_t modtime; |
317 | static mode_t mode; | |
1490812a | 318 | static int64 dev; |
4124540d | 319 | static dev_t rdev; |
9c5e91f8 | 320 | static uint32 rdev_major; |
5911fee5 WD |
321 | static uid_t uid; |
322 | static gid_t gid; | |
323 | static char lastname[MAXPATHLEN]; | |
f376e674 | 324 | char fname[MAXPATHLEN]; |
ebed4c3a | 325 | int l1, l2; |
72914a60 | 326 | |
37802f40 | 327 | if (f < 0) |
ebed4c3a | 328 | return; |
72914a60 AT |
329 | |
330 | if (!file) { | |
ebed4c3a | 331 | write_byte(f, 0); |
5911fee5 | 332 | modtime = 0, mode = 0; |
4124540d | 333 | dev = 0, rdev = makedev(0, 0); |
9c5e91f8 | 334 | rdev_major = 0; |
5911fee5 WD |
335 | uid = 0, gid = 0; |
336 | *lastname = '\0'; | |
72914a60 AT |
337 | return; |
338 | } | |
339 | ||
eca2adb4 MP |
340 | io_write_phase = "send_file_entry"; |
341 | ||
f376e674 | 342 | f_name_to(file, fname); |
72914a60 AT |
343 | |
344 | flags = base_flags; | |
345 | ||
30f337c9 | 346 | if (file->mode == mode) |
d01d15e0 | 347 | flags |= XMIT_SAME_MODE; |
1ef00d20 | 348 | else |
30f337c9 | 349 | mode = file->mode; |
75bc8600 WD |
350 | if (preserve_devices) { |
351 | if (protocol_version < 28) { | |
728d0922 | 352 | if (IS_DEVICE(mode)) { |
9c5e91f8 WD |
353 | if (file->u.rdev == rdev) |
354 | flags |= XMIT_SAME_RDEV_pre28; | |
355 | else | |
728d0922 WD |
356 | rdev = file->u.rdev; |
357 | } else | |
9c5e91f8 | 358 | rdev = makedev(0, 0); |
728d0922 | 359 | } else if (IS_DEVICE(mode)) { |
84a3efa0 | 360 | rdev = file->u.rdev; |
9c5e91f8 WD |
361 | if ((uint32)major(rdev) == rdev_major) |
362 | flags |= XMIT_SAME_RDEV_MAJOR; | |
84a3efa0 | 363 | else |
9c5e91f8 WD |
364 | rdev_major = major(rdev); |
365 | if ((uint32)minor(rdev) <= 0xFFu) | |
366 | flags |= XMIT_RDEV_MINOR_IS_SMALL; | |
75bc8600 WD |
367 | } |
368 | } | |
30f337c9 | 369 | if (file->uid == uid) |
d01d15e0 | 370 | flags |= XMIT_SAME_UID; |
1ef00d20 | 371 | else |
30f337c9 WD |
372 | uid = file->uid; |
373 | if (file->gid == gid) | |
d01d15e0 | 374 | flags |= XMIT_SAME_GID; |
1ef00d20 | 375 | else |
30f337c9 WD |
376 | gid = file->gid; |
377 | if (file->modtime == modtime) | |
d01d15e0 | 378 | flags |= XMIT_SAME_TIME; |
1ef00d20 | 379 | else |
30f337c9 | 380 | modtime = file->modtime; |
a289addd | 381 | |
4f5b0756 | 382 | #ifdef SUPPORT_HARD_LINKS |
92cc9dd7 WD |
383 | if (file->link_u.idev) { |
384 | if (file->F_DEV == dev) { | |
c4b4df4f | 385 | if (protocol_version >= 28) |
d01d15e0 | 386 | flags |= XMIT_SAME_DEV; |
728d0922 | 387 | } else |
92cc9dd7 | 388 | dev = file->F_DEV; |
d01d15e0 | 389 | flags |= XMIT_HAS_IDEV_DATA; |
c4b4df4f | 390 | } |
0d162bd1 | 391 | #endif |
ebed4c3a MP |
392 | |
393 | for (l1 = 0; | |
3e491682 S |
394 | lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255); |
395 | l1++) {} | |
eddd5d12 | 396 | l2 = strlen(fname+l1); |
72914a60 | 397 | |
ebed4c3a | 398 | if (l1 > 0) |
d01d15e0 | 399 | flags |= XMIT_SAME_NAME; |
ebed4c3a | 400 | if (l2 > 255) |
d01d15e0 | 401 | flags |= XMIT_LONG_NAME; |
72914a60 | 402 | |
1aa4caf3 WD |
403 | /* We must make sure we don't send a zero flag byte or the |
404 | * other end will terminate the flist transfer. Note that | |
ee3751c8 | 405 | * the use of XMIT_TOP_DIR on a non-dir has no meaning, so |
1aa4caf3 | 406 | * it's harmless way to add a bit to the first flag byte. */ |
75bc8600 | 407 | if (protocol_version >= 28) { |
1aa4caf3 | 408 | if (!flags && !S_ISDIR(mode)) |
ee3751c8 | 409 | flags |= XMIT_TOP_DIR; |
1aa4caf3 | 410 | if ((flags & 0xFF00) || !flags) { |
d01d15e0 | 411 | flags |= XMIT_EXTENDED_FLAGS; |
75bc8600 WD |
412 | write_byte(f, flags); |
413 | write_byte(f, flags >> 8); | |
414 | } else | |
415 | write_byte(f, flags); | |
416 | } else { | |
1aa4caf3 | 417 | if (!(flags & 0xFF) && !S_ISDIR(mode)) |
ee3751c8 | 418 | flags |= XMIT_TOP_DIR; |
0a982011 | 419 | if (!(flags & 0xFF)) |
d01d15e0 | 420 | flags |= XMIT_LONG_NAME; |
75bc8600 WD |
421 | write_byte(f, flags); |
422 | } | |
d01d15e0 | 423 | if (flags & XMIT_SAME_NAME) |
ebed4c3a | 424 | write_byte(f, l1); |
d01d15e0 | 425 | if (flags & XMIT_LONG_NAME) |
ebed4c3a | 426 | write_int(f, l2); |
72914a60 | 427 | else |
ebed4c3a MP |
428 | write_byte(f, l2); |
429 | write_buf(f, fname + l1, l2); | |
72914a60 | 430 | |
ebed4c3a | 431 | write_longint(f, file->length); |
d01d15e0 | 432 | if (!(flags & XMIT_SAME_TIME)) |
30f337c9 | 433 | write_int(f, modtime); |
d01d15e0 | 434 | if (!(flags & XMIT_SAME_MODE)) |
30f337c9 | 435 | write_int(f, to_wire_mode(mode)); |
d01d15e0 | 436 | if (preserve_uid && !(flags & XMIT_SAME_UID)) { |
9f7b8c3b WD |
437 | if (!numeric_ids) |
438 | add_uid(uid); | |
30f337c9 | 439 | write_int(f, uid); |
72914a60 | 440 | } |
d01d15e0 | 441 | if (preserve_gid && !(flags & XMIT_SAME_GID)) { |
9f7b8c3b WD |
442 | if (!numeric_ids) |
443 | add_gid(gid); | |
30f337c9 | 444 | write_int(f, gid); |
72914a60 | 445 | } |
30f337c9 | 446 | if (preserve_devices && IS_DEVICE(mode)) { |
9c5e91f8 WD |
447 | if (protocol_version < 28) { |
448 | if (!(flags & XMIT_SAME_RDEV_pre28)) | |
449 | write_int(f, (int)rdev); | |
450 | } else { | |
451 | if (!(flags & XMIT_SAME_RDEV_MAJOR)) | |
452 | write_int(f, major(rdev)); | |
453 | if (flags & XMIT_RDEV_MINOR_IS_SMALL) | |
454 | write_byte(f, minor(rdev)); | |
455 | else | |
456 | write_int(f, minor(rdev)); | |
457 | } | |
75bc8600 | 458 | } |
c627d613 | 459 | |
4f5b0756 | 460 | #ifdef SUPPORT_LINKS |
30f337c9 | 461 | if (preserve_links && S_ISLNK(mode)) { |
306ffb8c WD |
462 | int len = strlen(file->u.link); |
463 | write_int(f, len); | |
464 | write_buf(f, file->u.link, len); | |
72914a60 | 465 | } |
c627d613 AT |
466 | #endif |
467 | ||
4f5b0756 | 468 | #ifdef SUPPORT_HARD_LINKS |
d01d15e0 | 469 | if (flags & XMIT_HAS_IDEV_DATA) { |
4124540d | 470 | if (protocol_version < 26) { |
736a6a29 | 471 | /* 32-bit dev_t and ino_t */ |
30f337c9 | 472 | write_int(f, dev); |
92cc9dd7 | 473 | write_int(f, file->F_INODE); |
736a6a29 MP |
474 | } else { |
475 | /* 64-bit dev_t and ino_t */ | |
4124540d WD |
476 | if (!(flags & XMIT_SAME_DEV)) |
477 | write_longint(f, dev); | |
92cc9dd7 | 478 | write_longint(f, file->F_INODE); |
736a6a29 | 479 | } |
72914a60 | 480 | } |
dc5ddbcc AT |
481 | #endif |
482 | ||
9a4a237e | 483 | if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) { |
728d0922 | 484 | char *sum; |
9a4a237e | 485 | int slen = protocol_version < 21 ? 2 : MD4_SUM_LENGTH; |
728d0922 WD |
486 | if (S_ISREG(mode)) |
487 | sum = file->u.sum; | |
9a4a237e | 488 | else { |
728d0922 WD |
489 | /* Prior to 28, we sent a useless set of nulls. */ |
490 | sum = empty_sum; | |
728d0922 | 491 | } |
9a4a237e | 492 | write_buf(f, sum, slen); |
ebed4c3a | 493 | } |
182dca5c | 494 | |
ebed4c3a | 495 | strlcpy(lastname, fname, MAXPATHLEN); |
eca2adb4 MP |
496 | |
497 | io_write_phase = "unknown"; | |
182dca5c AT |
498 | } |
499 | ||
500 | ||
501 | ||
f5db0993 WD |
502 | static struct file_struct *receive_file_entry(struct file_list *flist, |
503 | unsigned short flags, int f) | |
182dca5c | 504 | { |
5911fee5 WD |
505 | static time_t modtime; |
506 | static mode_t mode; | |
1490812a | 507 | static int64 dev; |
4124540d | 508 | static dev_t rdev; |
9c5e91f8 | 509 | static uint32 rdev_major; |
5911fee5 WD |
510 | static uid_t uid; |
511 | static gid_t gid; | |
a289addd | 512 | static char lastname[MAXPATHLEN], *lastdir; |
33ffd7c3 | 513 | static int lastdir_depth, lastdir_len = -1; |
42f23f47 | 514 | static unsigned int del_hier_name_len = 0; |
649f8742 | 515 | static int in_del_hier = 0; |
72914a60 | 516 | char thisname[MAXPATHLEN]; |
ebed4c3a | 517 | unsigned int l1 = 0, l2 = 0; |
a1d55ad0 | 518 | int alloc_len, basename_len, dirname_len, linkname_len, sum_len; |
a289addd WD |
519 | OFF_T file_length; |
520 | char *basename, *dirname, *bp; | |
72914a60 AT |
521 | struct file_struct *file; |
522 | ||
f3c3ed44 | 523 | if (!flist) { |
5911fee5 | 524 | modtime = 0, mode = 0; |
4124540d | 525 | dev = 0, rdev = makedev(0, 0); |
9c5e91f8 | 526 | rdev_major = 0; |
5911fee5 WD |
527 | uid = 0, gid = 0; |
528 | *lastname = '\0'; | |
3db859e8 | 529 | lastdir_len = -1; |
649f8742 | 530 | in_del_hier = 0; |
f5db0993 | 531 | return NULL; |
5911fee5 WD |
532 | } |
533 | ||
d01d15e0 | 534 | if (flags & XMIT_SAME_NAME) |
72914a60 | 535 | l1 = read_byte(f); |
ebed4c3a | 536 | |
d01d15e0 | 537 | if (flags & XMIT_LONG_NAME) |
72914a60 AT |
538 | l2 = read_int(f); |
539 | else | |
540 | l2 = read_byte(f); | |
541 | ||
ebed4c3a MP |
542 | if (l2 >= MAXPATHLEN - l1) { |
543 | rprintf(FERROR, | |
544 | "overflow: flags=0x%x l1=%d l2=%d lastname=%s\n", | |
71903f60 | 545 | flags, l1, l2, safe_fname(lastname)); |
a1f99493 | 546 | overflow_exit("receive_file_entry"); |
d0fd26aa | 547 | } |
72914a60 | 548 | |
ebed4c3a MP |
549 | strlcpy(thisname, lastname, l1 + 1); |
550 | read_sbuf(f, &thisname[l1], l2); | |
551 | thisname[l1 + l2] = 0; | |
72914a60 | 552 | |
ebed4c3a | 553 | strlcpy(lastname, thisname, MAXPATHLEN); |
72914a60 | 554 | |
58b1999e | 555 | clean_fname(thisname, 0); |
72914a60 | 556 | |
0d162bd1 | 557 | if (sanitize_paths) |
33ffd7c3 | 558 | sanitize_path(thisname, thisname, "", 0); |
cb13abfe | 559 | |
a289addd WD |
560 | if ((basename = strrchr(thisname, '/')) != NULL) { |
561 | dirname_len = ++basename - thisname; /* counts future '\0' */ | |
562 | if (lastdir_len == dirname_len - 1 | |
563 | && strncmp(thisname, lastdir, lastdir_len) == 0) { | |
564 | dirname = lastdir; | |
565 | dirname_len = 0; /* indicates no copy is needed */ | |
566 | } else | |
567 | dirname = thisname; | |
72914a60 | 568 | } else { |
a289addd WD |
569 | basename = thisname; |
570 | dirname = NULL; | |
571 | dirname_len = 0; | |
72914a60 | 572 | } |
a289addd | 573 | basename_len = strlen(basename) + 1; /* count the '\0' */ |
72914a60 | 574 | |
a289addd | 575 | file_length = read_longint(f); |
d01d15e0 | 576 | if (!(flags & XMIT_SAME_TIME)) |
30f337c9 | 577 | modtime = (time_t)read_int(f); |
d01d15e0 | 578 | if (!(flags & XMIT_SAME_MODE)) |
30f337c9 | 579 | mode = from_wire_mode(read_int(f)); |
1ef00d20 | 580 | |
a289addd WD |
581 | if (preserve_uid && !(flags & XMIT_SAME_UID)) |
582 | uid = (uid_t)read_int(f); | |
583 | if (preserve_gid && !(flags & XMIT_SAME_GID)) | |
584 | gid = (gid_t)read_int(f); | |
585 | ||
1ef00d20 | 586 | if (preserve_devices) { |
75bc8600 | 587 | if (protocol_version < 28) { |
30f337c9 | 588 | if (IS_DEVICE(mode)) { |
d01d15e0 | 589 | if (!(flags & XMIT_SAME_RDEV_pre28)) |
9c5e91f8 | 590 | rdev = (dev_t)read_int(f); |
75bc8600 | 591 | } else |
9c5e91f8 | 592 | rdev = makedev(0, 0); |
30f337c9 | 593 | } else if (IS_DEVICE(mode)) { |
9c5e91f8 WD |
594 | uint32 rdev_minor; |
595 | if (!(flags & XMIT_SAME_RDEV_MAJOR)) | |
596 | rdev_major = read_int(f); | |
597 | if (flags & XMIT_RDEV_MINOR_IS_SMALL) | |
598 | rdev_minor = read_byte(f); | |
599 | else | |
600 | rdev_minor = read_int(f); | |
601 | rdev = makedev(rdev_major, rdev_minor); | |
1ef00d20 | 602 | } |
b7736c79 | 603 | } |
72914a60 | 604 | |
4f5b0756 | 605 | #ifdef SUPPORT_LINKS |
30f337c9 | 606 | if (preserve_links && S_ISLNK(mode)) { |
a289addd WD |
607 | linkname_len = read_int(f) + 1; /* count the '\0' */ |
608 | if (linkname_len <= 0 || linkname_len > MAXPATHLEN) { | |
609 | rprintf(FERROR, "overflow: linkname_len=%d\n", | |
610 | linkname_len - 1); | |
a1f99493 | 611 | overflow_exit("receive_file_entry"); |
9dd891bb | 612 | } |
72914a60 | 613 | } |
a289addd | 614 | else |
0d162bd1 | 615 | #endif |
a289addd | 616 | linkname_len = 0; |
0d162bd1 | 617 | |
a289addd WD |
618 | sum_len = always_checksum && S_ISREG(mode) ? MD4_SUM_LENGTH : 0; |
619 | ||
61dec11a | 620 | alloc_len = file_struct_len + dirname_len + basename_len |
9935066b S |
621 | + linkname_len + sum_len; |
622 | bp = pool_alloc(flist->file_pool, alloc_len, "receive_file_entry"); | |
623 | ||
f5db0993 | 624 | file = (struct file_struct *)bp; |
9935066b | 625 | memset(bp, 0, file_struct_len); |
61dec11a | 626 | bp += file_struct_len; |
a289addd | 627 | |
649f8742 | 628 | file->flags = 0; |
a289addd WD |
629 | file->modtime = modtime; |
630 | file->length = file_length; | |
631 | file->mode = mode; | |
632 | file->uid = uid; | |
633 | file->gid = gid; | |
634 | ||
f3c3ed44 WD |
635 | if (dirname_len) { |
636 | file->dirname = lastdir = bp; | |
637 | lastdir_len = dirname_len - 1; | |
638 | memcpy(bp, dirname, dirname_len - 1); | |
639 | bp += dirname_len; | |
640 | bp[-1] = '\0'; | |
641 | lastdir_depth = count_dir_elements(lastdir); | |
642 | file->dir.depth = lastdir_depth + 1; | |
643 | } else if (dirname) { | |
644 | file->dirname = dirname; /* we're reusing lastname */ | |
645 | file->dir.depth = lastdir_depth + 1; | |
646 | } else | |
647 | file->dir.depth = 1; | |
648 | ||
649f8742 | 649 | if (S_ISDIR(mode)) { |
ee3751c8 | 650 | if (basename_len == 1+1 && *basename == '.') /* +1 for '\0' */ |
f3c3ed44 | 651 | file->dir.depth--; |
ee3751c8 | 652 | if (flags & XMIT_TOP_DIR) { |
649f8742 | 653 | in_del_hier = 1; |
f3c3ed44 | 654 | del_hier_name_len = file->dir.depth == 0 ? 0 : l1 + l2; |
7a16e122 WD |
655 | if (relative_paths && del_hier_name_len > 2 |
656 | && basename_len == 1+1 && *basename == '.') | |
657 | del_hier_name_len -= 2; | |
ee3751c8 WD |
658 | file->flags |= FLAG_TOP_DIR | FLAG_DEL_HERE; |
659 | } else if (in_del_hier) { | |
f3c3ed44 WD |
660 | if (!relative_paths || !del_hier_name_len |
661 | || (l1 >= del_hier_name_len | |
662 | && thisname[del_hier_name_len] == '/')) | |
ee3751c8 | 663 | file->flags |= FLAG_DEL_HERE; |
649f8742 WD |
664 | else |
665 | in_del_hier = 0; | |
666 | } | |
667 | } | |
668 | ||
a289addd WD |
669 | file->basename = bp; |
670 | memcpy(bp, basename, basename_len); | |
671 | bp += basename_len; | |
672 | ||
673 | if (preserve_devices && IS_DEVICE(mode)) | |
674 | file->u.rdev = rdev; | |
675 | ||
4f5b0756 | 676 | #ifdef SUPPORT_LINKS |
a289addd WD |
677 | if (linkname_len) { |
678 | file->u.link = bp; | |
679 | read_sbuf(f, bp, linkname_len - 1); | |
680 | if (sanitize_paths) | |
33ffd7c3 | 681 | sanitize_path(bp, bp, "", lastdir_depth); |
a289addd WD |
682 | bp += linkname_len; |
683 | } | |
684 | #endif | |
685 | ||
4f5b0756 | 686 | #ifdef SUPPORT_HARD_LINKS |
9935066b S |
687 | if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode)) |
688 | flags |= XMIT_HAS_IDEV_DATA; | |
97a67bdf | 689 | if (flags & XMIT_HAS_IDEV_DATA) { |
1490812a | 690 | int64 inode; |
4124540d WD |
691 | if (protocol_version < 26) { |
692 | dev = read_int(f); | |
9935066b | 693 | inode = read_int(f); |
736a6a29 | 694 | } else { |
4124540d WD |
695 | if (!(flags & XMIT_SAME_DEV)) |
696 | dev = read_longint(f); | |
9935066b S |
697 | inode = read_longint(f); |
698 | } | |
699 | if (flist->hlink_pool) { | |
5bf63a11 S |
700 | file->link_u.idev = pool_talloc(flist->hlink_pool, |
701 | struct idev, 1, "inode_table"); | |
9935066b S |
702 | file->F_INODE = inode; |
703 | file->F_DEV = dev; | |
736a6a29 | 704 | } |
72914a60 | 705 | } |
dc5ddbcc | 706 | #endif |
ebed4c3a | 707 | |
9a4a237e | 708 | if (always_checksum && (sum_len || protocol_version < 28)) { |
7c4f063b | 709 | char *sum; |
9a4a237e | 710 | int slen = protocol_version < 21 ? 2 : MD4_SUM_LENGTH; |
a289addd WD |
711 | if (sum_len) { |
712 | file->u.sum = sum = bp; | |
713 | /*bp += sum_len;*/ | |
9a4a237e | 714 | } else { |
fea4db62 | 715 | /* Prior to 28, we get a useless set of nulls. */ |
7c4f063b | 716 | sum = empty_sum; |
fea4db62 | 717 | } |
9a4a237e | 718 | read_buf(f, sum, slen); |
72914a60 | 719 | } |
ebed4c3a | 720 | |
72914a60 | 721 | if (!preserve_perms) { |
72914a60 | 722 | /* set an appropriate set of permissions based on original |
fea4db62 | 723 | * permissions and umask. This emulates what GNU cp does */ |
72914a60 AT |
724 | file->mode &= ~orig_umask; |
725 | } | |
f5db0993 WD |
726 | |
727 | return file; | |
c627d613 AT |
728 | } |
729 | ||
730 | ||
db719fb0 MP |
731 | /** |
732 | * Create a file_struct for a named file by reading its stat() | |
733 | * information and performing extensive checks against global | |
734 | * options. | |
735 | * | |
736 | * @return the new file, or NULL if there was an error or this file | |
737 | * should be excluded. | |
738 | * | |
739 | * @todo There is a small optimization opportunity here to avoid | |
740 | * stat()ing the file in some circumstances, which has a certain cost. | |
741 | * We are called immediately after doing readdir(), and so we may | |
742 | * already know the d_type of the file. We could for example avoid | |
743 | * statting directories if we're not recursing, but this is not a very | |
744 | * important case. Some systems may not have d_type. | |
745 | **/ | |
314f4591 | 746 | struct file_struct *make_file(char *fname, struct file_list *flist, |
7842418b | 747 | int filter_level) |
c627d613 | 748 | { |
a289addd WD |
749 | static char *lastdir; |
750 | static int lastdir_len = -1; | |
3ec4dd97 | 751 | struct file_struct *file; |
bcacc18b | 752 | STRUCT_STAT st; |
3ec4dd97 | 753 | char sum[SUM_LENGTH]; |
1923b1fc | 754 | char thisname[MAXPATHLEN]; |
e0870f1d | 755 | char linkname[MAXPATHLEN]; |
a1d55ad0 | 756 | int alloc_len, basename_len, dirname_len, linkname_len, sum_len; |
a289addd | 757 | char *basename, *dirname, *bp; |
4844449a | 758 | unsigned short flags = 0; |
3ec4dd97 | 759 | |
d508258a | 760 | if (!flist || !flist->count) /* Ignore lastdir when invalid. */ |
7de2483f | 761 | lastdir_len = -1; |
9935066b | 762 | |
1923b1fc WD |
763 | if (strlcpy(thisname, fname, sizeof thisname) |
764 | >= sizeof thisname - flist_dir_len) { | |
71903f60 WD |
765 | rprintf(FINFO, "skipping overly long name: %s\n", |
766 | safe_fname(fname)); | |
882e6893 WD |
767 | return NULL; |
768 | } | |
58b1999e | 769 | clean_fname(thisname, 0); |
b7736c79 | 770 | if (sanitize_paths) |
33ffd7c3 | 771 | sanitize_path(thisname, thisname, "", 0); |
3ec4dd97 | 772 | |
ebed4c3a | 773 | memset(sum, 0, SUM_LENGTH); |
3ec4dd97 | 774 | |
e0870f1d | 775 | if (readlink_stat(thisname, &st, linkname) != 0) { |
76e26e10 | 776 | int save_errno = errno; |
a4a7e64c | 777 | /* See if file is excluded before reporting an error. */ |
7842418b WD |
778 | if (filter_level != NO_FILTERS |
779 | && is_excluded(thisname, 0, filter_level)) | |
a4a7e64c WD |
780 | return NULL; |
781 | if (save_errno == ENOENT) { | |
4f5b0756 | 782 | #ifdef SUPPORT_LINKS |
a4a7e64c WD |
783 | /* Avoid "vanished" error if symlink points nowhere. */ |
784 | if (copy_links && do_lstat(thisname, &st) == 0 | |
785 | && S_ISLNK(st.st_mode)) { | |
786 | io_error |= IOERR_GENERAL; | |
787 | rprintf(FERROR, "symlink has no referent: %s\n", | |
788 | full_fname(thisname)); | |
e5ce3bcf WD |
789 | } else |
790 | #endif | |
791 | { | |
a4a7e64c WD |
792 | enum logcode c = am_daemon && protocol_version < 28 |
793 | ? FERROR : FINFO; | |
794 | io_error |= IOERR_VANISHED; | |
795 | rprintf(c, "file has vanished: %s\n", | |
796 | full_fname(thisname)); | |
76e26e10 | 797 | } |
a4a7e64c | 798 | } else { |
a8726d2a | 799 | io_error |= IOERR_GENERAL; |
d62bcc17 WD |
800 | rsyserr(FERROR, save_errno, "readlink %s failed", |
801 | full_fname(thisname)); | |
76e26e10 | 802 | } |
3ec4dd97 AT |
803 | return NULL; |
804 | } | |
c627d613 | 805 | |
7842418b WD |
806 | /* backup.c calls us with filter_level set to NO_FILTERS. */ |
807 | if (filter_level == NO_FILTERS) | |
808 | goto skip_filters; | |
ac1a0994 | 809 | |
7e037c42 | 810 | if (S_ISDIR(st.st_mode) && !xfer_dirs) { |
71903f60 | 811 | rprintf(FINFO, "skipping directory %s\n", safe_fname(thisname)); |
3ec4dd97 AT |
812 | return NULL; |
813 | } | |
ebed4c3a | 814 | |
e90cdb8a WD |
815 | /* We only care about directories because we need to avoid recursing |
816 | * into a mount-point directory, not to avoid copying a symlinked | |
817 | * file if -L (or similar) was specified. */ | |
818 | if (one_file_system && st.st_dev != filesystem_dev | |
819 | && S_ISDIR(st.st_mode)) | |
4844449a | 820 | flags |= FLAG_MOUNT_POINT; |
ebed4c3a | 821 | |
7842418b | 822 | if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) |
76e26e10 DD |
823 | return NULL; |
824 | ||
132fcf36 | 825 | if (lp_ignore_nonreadable(module_id)) { |
4f5b0756 | 826 | #ifdef SUPPORT_LINKS |
132fcf36 WD |
827 | if (!S_ISLNK(st.st_mode)) |
828 | #endif | |
829 | if (access(thisname, R_OK) != 0) | |
830 | return NULL; | |
831 | } | |
ac1a0994 | 832 | |
7842418b | 833 | skip_filters: |
ac1a0994 | 834 | |
ea847c62 WD |
835 | if (verbose > 2) { |
836 | rprintf(FINFO, "[%s] make_file(%s,*,%d)\n", | |
71903f60 | 837 | who_am_i(), safe_fname(thisname), filter_level); |
ea847c62 | 838 | } |
ebed4c3a | 839 | |
a289addd WD |
840 | if ((basename = strrchr(thisname, '/')) != NULL) { |
841 | dirname_len = ++basename - thisname; /* counts future '\0' */ | |
842 | if (lastdir_len == dirname_len - 1 | |
843 | && strncmp(thisname, lastdir, lastdir_len) == 0) { | |
844 | dirname = lastdir; | |
845 | dirname_len = 0; /* indicates no copy is needed */ | |
846 | } else | |
847 | dirname = thisname; | |
3ec4dd97 | 848 | } else { |
a289addd WD |
849 | basename = thisname; |
850 | dirname = NULL; | |
851 | dirname_len = 0; | |
3ec4dd97 | 852 | } |
a289addd | 853 | basename_len = strlen(basename) + 1; /* count the '\0' */ |
c627d613 | 854 | |
4f5b0756 | 855 | #ifdef SUPPORT_LINKS |
a289addd WD |
856 | linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0; |
857 | #else | |
858 | linkname_len = 0; | |
859 | #endif | |
860 | ||
a289addd WD |
861 | sum_len = always_checksum && S_ISREG(st.st_mode) ? MD4_SUM_LENGTH : 0; |
862 | ||
61dec11a | 863 | alloc_len = file_struct_len + dirname_len + basename_len |
9935066b S |
864 | + linkname_len + sum_len; |
865 | if (flist) { | |
866 | bp = pool_alloc(flist->file_pool, alloc_len, | |
867 | "receive_file_entry"); | |
868 | } else { | |
869 | if (!(bp = new_array(char, alloc_len))) | |
870 | out_of_memory("receive_file_entry"); | |
871 | } | |
872 | ||
a289addd | 873 | file = (struct file_struct *)bp; |
9935066b | 874 | memset(bp, 0, file_struct_len); |
61dec11a | 875 | bp += file_struct_len; |
a289addd WD |
876 | |
877 | file->flags = flags; | |
3ec4dd97 AT |
878 | file->modtime = st.st_mtime; |
879 | file->length = st.st_size; | |
880 | file->mode = st.st_mode; | |
881 | file->uid = st.st_uid; | |
882 | file->gid = st.st_gid; | |
0d162bd1 | 883 | |
4f5b0756 | 884 | #ifdef SUPPORT_HARD_LINKS |
9935066b S |
885 | if (flist && flist->hlink_pool) { |
886 | if (protocol_version < 28) { | |
887 | if (S_ISREG(st.st_mode)) | |
888 | file->link_u.idev = pool_talloc( | |
889 | flist->hlink_pool, struct idev, 1, | |
890 | "inode_table"); | |
891 | } else { | |
892 | if (!S_ISDIR(st.st_mode) && st.st_nlink > 1) | |
893 | file->link_u.idev = pool_talloc( | |
894 | flist->hlink_pool, struct idev, 1, | |
895 | "inode_table"); | |
896 | } | |
897 | } | |
898 | if (file->link_u.idev) { | |
61dec11a WD |
899 | file->F_DEV = st.st_dev; |
900 | file->F_INODE = st.st_ino; | |
901 | } | |
902 | #endif | |
903 | ||
a289addd WD |
904 | if (dirname_len) { |
905 | file->dirname = lastdir = bp; | |
906 | lastdir_len = dirname_len - 1; | |
907 | memcpy(bp, dirname, dirname_len - 1); | |
908 | bp += dirname_len; | |
909 | bp[-1] = '\0'; | |
910 | } else if (dirname) | |
911 | file->dirname = dirname; | |
912 | ||
913 | file->basename = bp; | |
914 | memcpy(bp, basename, basename_len); | |
915 | bp += basename_len; | |
916 | ||
4f5b0756 | 917 | #ifdef HAVE_STRUCT_STAT_ST_RDEV |
0d162bd1 WD |
918 | if (preserve_devices && IS_DEVICE(st.st_mode)) |
919 | file->u.rdev = st.st_rdev; | |
920 | #endif | |
921 | ||
4f5b0756 | 922 | #ifdef SUPPORT_LINKS |
a289addd WD |
923 | if (linkname_len) { |
924 | file->u.link = bp; | |
925 | memcpy(bp, linkname, linkname_len); | |
926 | bp += linkname_len; | |
927 | } | |
0d162bd1 WD |
928 | #endif |
929 | ||
a289addd WD |
930 | if (sum_len) { |
931 | file->u.sum = bp; | |
932 | file_checksum(thisname, bp, st.st_size); | |
933 | /*bp += sum_len;*/ | |
ebed4c3a | 934 | } |
c627d613 | 935 | |
f3c3ed44 | 936 | file->dir.root = flist_dir; |
c627d613 | 937 | |
23f4587f WD |
938 | /* This code is only used by the receiver when it is building |
939 | * a list of files for a delete pass. */ | |
940 | if (keep_dirlinks && linkname_len && flist) { | |
941 | STRUCT_STAT st2; | |
f5db0993 WD |
942 | int save_mode = file->mode; |
943 | file->mode = S_IFDIR; /* find a directory w/our name */ | |
d64e6f42 | 944 | if (flist_find(the_file_list, file) >= 0 |
23f4587f WD |
945 | && do_stat(thisname, &st2) == 0 && S_ISDIR(st2.st_mode)) { |
946 | file->modtime = st2.st_mtime; | |
947 | file->length = st2.st_size; | |
948 | file->mode = st2.st_mode; | |
949 | file->uid = st2.st_uid; | |
950 | file->gid = st2.st_gid; | |
951 | file->u.link = NULL; | |
f5db0993 WD |
952 | } else |
953 | file->mode = save_mode; | |
23f4587f WD |
954 | } |
955 | ||
d17190df | 956 | if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) |
a800434a | 957 | stats.total_size += st.st_size; |
c627d613 | 958 | |
3ec4dd97 | 959 | return file; |
c627d613 AT |
960 | } |
961 | ||
962 | ||
301fb56c WD |
963 | static struct file_struct *send_file_name(int f, struct file_list *flist, |
964 | char *fname, unsigned short base_flags) | |
c627d613 | 965 | { |
ebed4c3a MP |
966 | struct file_struct *file; |
967 | ||
37802f40 WD |
968 | file = make_file(fname, flist, f == -2 ? SERVER_FILTERS : ALL_FILTERS); |
969 | if (!file) | |
301fb56c | 970 | return NULL; |
ebed4c3a | 971 | |
53135fe8 | 972 | maybe_emit_filelist_progress(flist->count + flist_count_offset); |
ebed4c3a | 973 | |
d9d6bc52 | 974 | flist_expand(flist); |
ebed4c3a | 975 | |
c120ff37 | 976 | if (file->basename[0]) { |
ebed4c3a MP |
977 | flist->files[flist->count++] = file; |
978 | send_file_entry(file, f, base_flags); | |
979 | } | |
301fb56c WD |
980 | return file; |
981 | } | |
ebed4c3a | 982 | |
301fb56c WD |
983 | static void send_if_directory(int f, struct file_list *flist, |
984 | struct file_struct *file) | |
985 | { | |
986 | char fbuf[MAXPATHLEN]; | |
987 | ||
988 | if (S_ISDIR(file->mode) | |
f1773e09 WD |
989 | && !(file->flags & FLAG_MOUNT_POINT) && f_name_to(file, fbuf)) { |
990 | void *save_filters; | |
991 | unsigned int len = strlen(fbuf); | |
992 | if (len > 1 && fbuf[len-1] == '/') | |
993 | fbuf[--len] = '\0'; | |
994 | if (len >= MAXPATHLEN - 1) { | |
995 | io_error |= IOERR_GENERAL; | |
996 | rprintf(FERROR, "skipping long-named directory: %s\n", | |
997 | full_fname(fbuf)); | |
998 | return; | |
999 | } | |
1000 | save_filters = push_local_filters(fbuf, len); | |
1001 | send_directory(f, flist, fbuf, len); | |
1002 | pop_local_filters(save_filters); | |
ebed4c3a | 1003 | } |
c627d613 AT |
1004 | } |
1005 | ||
1006 | ||
301fb56c | 1007 | /* This function is normally called by the sender, but the receiving side also |
7b558d7f | 1008 | * calls it from get_dirlist() with f set to -1 so that we just construct the |
301fb56c WD |
1009 | * file list in memory without sending it over the wire. Also, get_dirlist() |
1010 | * might call this with f set to -2, which also indicates that local filter | |
1011 | * rules should be ignored. */ | |
f1773e09 | 1012 | static void send_directory(int f, struct file_list *flist, |
32cbfe7b | 1013 | char *fbuf, int len) |
c627d613 | 1014 | { |
3ec4dd97 | 1015 | struct dirent *di; |
32cbfe7b | 1016 | unsigned remainder; |
3ec4dd97 | 1017 | char *p; |
f1773e09 | 1018 | DIR *d; |
301fb56c | 1019 | int start = flist->count; |
3ec4dd97 | 1020 | |
f1773e09 | 1021 | if (!(d = opendir(fbuf))) { |
06c28400 | 1022 | io_error |= IOERR_GENERAL; |
f1773e09 | 1023 | rsyserr(FERROR, errno, "opendir %s failed", full_fname(fbuf)); |
3ec4dd97 AT |
1024 | return; |
1025 | } | |
c627d613 | 1026 | |
19b2a5d9 WD |
1027 | p = fbuf + len; |
1028 | if (len != 1 || *fbuf != '/') | |
eddd5d12 | 1029 | *p++ = '/'; |
f1773e09 | 1030 | *p = '\0'; |
32cbfe7b | 1031 | remainder = MAXPATHLEN - (p - fbuf); |
ebed4c3a | 1032 | |
6a7cc46c | 1033 | for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) { |
d6e6ecbd | 1034 | char *dname = d_name(di); |
6a7cc46c S |
1035 | if (dname[0] == '.' && (dname[1] == '\0' |
1036 | || (dname[1] == '.' && dname[2] == '\0'))) | |
3ec4dd97 | 1037 | continue; |
301fb56c WD |
1038 | if (strlcpy(p, dname, remainder) < remainder) |
1039 | send_file_name(f, flist, fbuf, 0); | |
1040 | else { | |
eddd5d12 WD |
1041 | io_error |= IOERR_GENERAL; |
1042 | rprintf(FINFO, | |
1043 | "cannot send long-named file %s\n", | |
f1773e09 | 1044 | full_fname(fbuf)); |
eddd5d12 | 1045 | } |
3ec4dd97 | 1046 | } |
32cbfe7b WD |
1047 | |
1048 | fbuf[len] = '\0'; | |
1049 | ||
6a7cc46c | 1050 | if (errno) { |
06c28400 | 1051 | io_error |= IOERR_GENERAL; |
71903f60 | 1052 | rsyserr(FERROR, errno, "readdir(%s)", full_fname(fbuf)); |
6a7cc46c | 1053 | } |
c627d613 | 1054 | |
3ec4dd97 | 1055 | closedir(d); |
301fb56c WD |
1056 | |
1057 | if (recurse) { | |
1058 | int i, end = flist->count - 1; | |
1059 | for (i = start; i <= end; i++) | |
1060 | send_if_directory(f, flist, flist->files[i]); | |
1061 | } | |
c627d613 AT |
1062 | } |
1063 | ||
1064 | ||
ebed4c3a | 1065 | struct file_list *send_file_list(int f, int argc, char *argv[]) |
c627d613 | 1066 | { |
24d0fcde | 1067 | int l; |
bcacc18b | 1068 | STRUCT_STAT st; |
808c57c3 | 1069 | char *p, *dir, olddir[sizeof curr_dir]; |
ebed4c3a | 1070 | char lastpath[MAXPATHLEN] = ""; |
649d65ed | 1071 | struct file_list *flist; |
31b4d25d | 1072 | struct timeval start_tv, end_tv; |
a800434a | 1073 | int64 start_write; |
24d0fcde | 1074 | int use_ff_fd = 0; |
649d65ed | 1075 | |
134f4338 | 1076 | if (show_filelist_p()) |
1bbd10fe | 1077 | start_filelist_progress("building file list"); |
c627d613 | 1078 | |
a800434a | 1079 | start_write = stats.total_written; |
31b4d25d | 1080 | gettimeofday(&start_tv, NULL); |
a800434a | 1081 | |
134f4338 | 1082 | flist = flist_new(WITH_HLINK, "send_file_list"); |
c627d613 | 1083 | |
134f4338 WD |
1084 | io_start_buffering_out(); |
1085 | if (filesfrom_fd >= 0) { | |
1086 | if (argv[0] && !push_dir(argv[0])) { | |
1087 | rsyserr(FERROR, errno, "push_dir %s failed", | |
1088 | full_fname(argv[0])); | |
1089 | exit_cleanup(RERR_FILESELECT); | |
24d0fcde | 1090 | } |
134f4338 | 1091 | use_ff_fd = 1; |
d6dead6b AT |
1092 | } |
1093 | ||
24d0fcde | 1094 | while (1) { |
301fb56c | 1095 | struct file_struct *file; |
fc638474 DD |
1096 | char fname2[MAXPATHLEN]; |
1097 | char *fname = fname2; | |
301fb56c | 1098 | int is_dot_dir; |
c627d613 | 1099 | |
24d0fcde WD |
1100 | if (use_ff_fd) { |
1101 | if (read_filesfrom_line(filesfrom_fd, fname) == 0) | |
1102 | break; | |
33ffd7c3 | 1103 | sanitize_path(fname, fname, "", 0); |
24d0fcde WD |
1104 | } else { |
1105 | if (argc-- == 0) | |
1106 | break; | |
1107 | strlcpy(fname, *argv++, MAXPATHLEN); | |
1108 | if (sanitize_paths) | |
33ffd7c3 | 1109 | sanitize_path(fname, fname, "", 0); |
24d0fcde | 1110 | } |
c627d613 | 1111 | |
649d65ed | 1112 | l = strlen(fname); |
9f125ea7 | 1113 | if (!l || fname[l - 1] == '/') { |
6931c138 WD |
1114 | if (l == 2 && fname[0] == '.') { |
1115 | /* Turn "./" into just "." rather than "./." */ | |
1116 | fname[1] = '\0'; | |
557a35f5 WD |
1117 | } else { |
1118 | if (l + 1 >= MAXPATHLEN) | |
a1f99493 | 1119 | overflow_exit("send_file_list"); |
eddd5d12 WD |
1120 | fname[l++] = '.'; |
1121 | fname[l] = '\0'; | |
53f821f1 | 1122 | } |
301fb56c | 1123 | is_dot_dir = 1; |
a289f89f WD |
1124 | } else if (l > 1 && fname[l-1] == '.' && fname[l-2] == '.' |
1125 | && (l == 2 || fname[l-3] == '/')) { | |
1126 | if (l + 2 >= MAXPATHLEN) | |
a1f99493 | 1127 | overflow_exit("send_file_list"); |
a289f89f WD |
1128 | fname[l++] = '/'; |
1129 | fname[l++] = '.'; | |
1130 | fname[l] = '\0'; | |
1131 | is_dot_dir = 1; | |
301fb56c WD |
1132 | } else { |
1133 | is_dot_dir = fname[l-1] == '.' | |
1134 | && (l == 1 || fname[l-2] == '/'); | |
649d65ed | 1135 | } |
c627d613 | 1136 | |
314f4591 | 1137 | if (link_stat(fname, &st, keep_dirlinks) != 0) { |
134f4338 WD |
1138 | io_error |= IOERR_GENERAL; |
1139 | rsyserr(FERROR, errno, "link_stat %s failed", | |
1140 | full_fname(fname)); | |
649d65ed AT |
1141 | continue; |
1142 | } | |
c627d613 | 1143 | |
7e037c42 | 1144 | if (S_ISDIR(st.st_mode) && !xfer_dirs) { |
71903f60 WD |
1145 | rprintf(FINFO, "skipping directory %s\n", |
1146 | safe_fname(fname)); | |
649d65ed AT |
1147 | continue; |
1148 | } | |
c627d613 | 1149 | |
649d65ed | 1150 | dir = NULL; |
808c57c3 | 1151 | olddir[0] = '\0'; |
649d65ed AT |
1152 | |
1153 | if (!relative_paths) { | |
ebed4c3a | 1154 | p = strrchr(fname, '/'); |
649d65ed | 1155 | if (p) { |
151f59f1 | 1156 | *p = '\0'; |
ebed4c3a | 1157 | if (p == fname) |
649d65ed AT |
1158 | dir = "/"; |
1159 | else | |
ebed4c3a MP |
1160 | dir = fname; |
1161 | fname = p + 1; | |
649d65ed | 1162 | } |
d2ea5980 WD |
1163 | } else if ((p = strstr(fname, "/./")) != NULL) { |
1164 | *p = '\0'; | |
1165 | if (p == fname) | |
1166 | dir = "/"; | |
1167 | else | |
1168 | dir = fname; | |
1169 | fname = p + 3; | |
1170 | } | |
1171 | ||
1172 | if (!*fname) | |
1173 | fname = "."; | |
1174 | ||
1175 | if (dir && *dir) { | |
1176 | static char *lastdir; | |
1177 | static int lastdir_len; | |
1178 | ||
8ad5cea3 | 1179 | strlcpy(olddir, curr_dir, sizeof olddir); |
d2ea5980 WD |
1180 | |
1181 | if (!push_dir(dir)) { | |
1182 | io_error |= IOERR_GENERAL; | |
1183 | rsyserr(FERROR, errno, "push_dir %s failed", | |
1184 | full_fname(dir)); | |
1185 | continue; | |
1186 | } | |
1187 | ||
1188 | if (lastdir && strcmp(lastdir, dir) == 0) { | |
1189 | flist_dir = lastdir; | |
1190 | flist_dir_len = lastdir_len; | |
1191 | } else { | |
1192 | flist_dir = lastdir = strdup(dir); | |
1193 | flist_dir_len = lastdir_len = strlen(dir); | |
1194 | } | |
1195 | } | |
1196 | ||
1197 | if (implied_dirs && (p=strrchr(fname,'/')) && p != fname) { | |
151f59f1 WD |
1198 | /* Send the implied directories at the start of the |
1199 | * source spec, so we get their permissions right. */ | |
2154309a | 1200 | char *lp = lastpath, *fn = fname, *slash = fname; |
151f59f1 | 1201 | *p = '\0'; |
2154309a WD |
1202 | /* Skip any initial directories in our path that we |
1203 | * have in common with lastpath. */ | |
1204 | while (*fn && *lp == *fn) { | |
1205 | if (*fn == '/') | |
1206 | slash = fn; | |
1207 | lp++, fn++; | |
1208 | } | |
1209 | *p = '/'; | |
1210 | if (fn != p || (*lp && *lp != '/')) { | |
0f57446d | 1211 | int save_copy_links = copy_links; |
7e037c42 | 1212 | int save_xfer_dirs = xfer_dirs; |
2154309a | 1213 | copy_links = copy_unsafe_links; |
7e037c42 | 1214 | xfer_dirs = 1; |
2154309a | 1215 | while ((slash = strchr(slash+1, '/')) != 0) { |
151f59f1 | 1216 | *slash = '\0'; |
301fb56c | 1217 | send_file_name(f, flist, fname, 0); |
2154309a | 1218 | *slash = '/'; |
649d65ed | 1219 | } |
0f57446d | 1220 | copy_links = save_copy_links; |
7e037c42 | 1221 | xfer_dirs = save_xfer_dirs; |
151f59f1 | 1222 | *p = '\0'; |
2154309a | 1223 | strlcpy(lastpath, fname, sizeof lastpath); |
649d65ed AT |
1224 | *p = '/'; |
1225 | } | |
1226 | } | |
ebed4c3a | 1227 | |
2bca43f6 | 1228 | if (one_file_system) |
45478cc7 | 1229 | filesystem_dev = st.st_dev; |
2bca43f6 | 1230 | |
301fb56c WD |
1231 | if ((file = send_file_name(f, flist, fname, XMIT_TOP_DIR))) { |
1232 | if (recurse || (xfer_dirs && is_dot_dir)) | |
1233 | send_if_directory(f, flist, file); | |
1234 | } | |
2bca43f6 | 1235 | |
808c57c3 | 1236 | if (olddir[0]) { |
649d65ed | 1237 | flist_dir = NULL; |
882e6893 | 1238 | flist_dir_len = 0; |
808c57c3 | 1239 | if (!pop_dir(olddir)) { |
d62bcc17 | 1240 | rsyserr(FERROR, errno, "pop_dir %s failed", |
92cdc393 | 1241 | full_fname(olddir)); |
65417579 | 1242 | exit_cleanup(RERR_FILESELECT); |
649d65ed | 1243 | } |
649d65ed | 1244 | } |
649d65ed | 1245 | } |
dc5ddbcc | 1246 | |
134f4338 WD |
1247 | gettimeofday(&end_tv, NULL); |
1248 | stats.flist_buildtime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000 | |
1249 | + (end_tv.tv_usec - start_tv.tv_usec) / 1000; | |
1250 | if (stats.flist_buildtime == 0) | |
1251 | stats.flist_buildtime = 1; | |
1252 | start_tv = end_tv; | |
31b4d25d | 1253 | |
134f4338 | 1254 | send_file_entry(NULL, f, 0); |
c627d613 | 1255 | |
134f4338 WD |
1256 | if (show_filelist_p()) |
1257 | finish_filelist_progress(flist); | |
31b4d25d | 1258 | |
134f4338 WD |
1259 | gettimeofday(&end_tv, NULL); |
1260 | stats.flist_xfertime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000 | |
1261 | + (end_tv.tv_usec - start_tv.tv_usec) / 1000; | |
ebed4c3a | 1262 | |
7cf8e8d0 | 1263 | if (flist->hlink_pool) { |
9935066b S |
1264 | pool_destroy(flist->hlink_pool); |
1265 | flist->hlink_pool = NULL; | |
1266 | } | |
1267 | ||
f5db0993 WD |
1268 | /* Sort the list without removing any duplicates. This allows the |
1269 | * receiving side to ask for any name they like, which gives us the | |
1270 | * flexibility to change the way we unduplicate names in the future | |
1271 | * without causing a compatibility problem with older versions. */ | |
827c37f6 | 1272 | clean_flist(flist, 0, 0); |
ebed4c3a | 1273 | |
134f4338 WD |
1274 | /* Now send the uid/gid list. This was introduced in |
1275 | * protocol version 15 */ | |
1276 | send_uid_list(f); | |
f6c34742 | 1277 | |
134f4338 WD |
1278 | /* send the io_error flag */ |
1279 | write_int(f, lp_ignore_errors(module_id) ? 0 : io_error); | |
6ba9279f | 1280 | |
134f4338 WD |
1281 | io_end_buffering(); |
1282 | stats.flist_size = stats.total_written - start_write; | |
1283 | stats.num_files = flist->count; | |
d6dead6b | 1284 | |
cefed3e8 | 1285 | if (verbose > 3) |
32cbfe7b | 1286 | output_flist(flist); |
cefed3e8 | 1287 | |
17faa41c | 1288 | if (verbose > 2) |
ebed4c3a | 1289 | rprintf(FINFO, "send_file_list done\n"); |
17faa41c | 1290 | |
649d65ed | 1291 | return flist; |
c627d613 AT |
1292 | } |
1293 | ||
1294 | ||
1295 | struct file_list *recv_file_list(int f) | |
1296 | { | |
ebed4c3a | 1297 | struct file_list *flist; |
1ef00d20 | 1298 | unsigned short flags; |
ebed4c3a | 1299 | int64 start_read; |
c627d613 | 1300 | |
1bbd10fe DD |
1301 | if (show_filelist_p()) |
1302 | start_filelist_progress("receiving file list"); | |
c627d613 | 1303 | |
ebed4c3a | 1304 | start_read = stats.total_read; |
a800434a | 1305 | |
9935066b | 1306 | flist = flist_new(WITH_HLINK, "recv_file_list"); |
c627d613 | 1307 | |
ebed4c3a MP |
1308 | flist->count = 0; |
1309 | flist->malloced = 1000; | |
58cadc86 | 1310 | flist->files = new_array(struct file_struct *, flist->malloced); |
ebed4c3a MP |
1311 | if (!flist->files) |
1312 | goto oom; | |
c627d613 AT |
1313 | |
1314 | ||
1ef00d20 | 1315 | while ((flags = read_byte(f)) != 0) { |
f5db0993 | 1316 | struct file_struct *file; |
dbda5fbf | 1317 | |
d9d6bc52 | 1318 | flist_expand(flist); |
c627d613 | 1319 | |
d01d15e0 | 1320 | if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS)) |
75bc8600 | 1321 | flags |= read_byte(f) << 8; |
f5db0993 | 1322 | file = receive_file_entry(flist, flags, f); |
c627d613 | 1323 | |
f5db0993 WD |
1324 | if (S_ISREG(file->mode)) |
1325 | stats.total_size += file->length; | |
c627d613 | 1326 | |
f5db0993 | 1327 | flist->files[flist->count++] = file; |
c627d613 | 1328 | |
53135fe8 | 1329 | maybe_emit_filelist_progress(flist->count); |
1bbd10fe | 1330 | |
8018edd3 | 1331 | if (verbose > 2) { |
ebed4c3a | 1332 | rprintf(FINFO, "recv_file_name(%s)\n", |
f5db0993 | 1333 | safe_fname(f_name(file))); |
8018edd3 | 1334 | } |
ebed4c3a | 1335 | } |
f5db0993 | 1336 | receive_file_entry(NULL, 0, 0); /* Signal that we're done. */ |
c627d613 | 1337 | |
ebed4c3a MP |
1338 | if (verbose > 2) |
1339 | rprintf(FINFO, "received %d names\n", flist->count); | |
c627d613 | 1340 | |
b7736c79 | 1341 | if (show_filelist_p()) |
1bbd10fe | 1342 | finish_filelist_progress(flist); |
a06d19e3 | 1343 | |
983b1ed3 WD |
1344 | clean_flist(flist, relative_paths, 1); |
1345 | ||
37802f40 | 1346 | if (f >= 0) { |
785db4ce WD |
1347 | /* Now send the uid/gid list. This was introduced in |
1348 | * protocol version 15 */ | |
ebed4c3a | 1349 | recv_uid_list(f, flist); |
f6c34742 | 1350 | |
b9f592fb WD |
1351 | /* Recv the io_error flag */ |
1352 | if (lp_ignore_errors(module_id) || ignore_errors) | |
1353 | read_int(f); | |
1354 | else | |
1355 | io_error |= read_int(f); | |
ebed4c3a | 1356 | } |
6ba9279f | 1357 | |
cefed3e8 | 1358 | if (verbose > 3) |
32cbfe7b | 1359 | output_flist(flist); |
cefed3e8 | 1360 | |
ebed4c3a MP |
1361 | if (list_only) { |
1362 | int i; | |
b7736c79 | 1363 | for (i = 0; i < flist->count; i++) |
ebed4c3a | 1364 | list_file_entry(flist->files[i]); |
ebed4c3a | 1365 | } |
f7632fc6 | 1366 | |
ebed4c3a MP |
1367 | if (verbose > 2) |
1368 | rprintf(FINFO, "recv_file_list done\n"); | |
17faa41c | 1369 | |
ebed4c3a MP |
1370 | stats.flist_size = stats.total_read - start_read; |
1371 | stats.num_files = flist->count; | |
a800434a | 1372 | |
ebed4c3a | 1373 | return flist; |
c627d613 | 1374 | |
3e491682 | 1375 | oom: |
ebed4c3a MP |
1376 | out_of_memory("recv_file_list"); |
1377 | return NULL; /* not reached */ | |
c627d613 AT |
1378 | } |
1379 | ||
1380 | ||
14698a3a | 1381 | static int file_compare(struct file_struct **file1, struct file_struct **file2) |
c627d613 | 1382 | { |
14698a3a | 1383 | return f_name_cmp(*file1, *file2); |
c627d613 AT |
1384 | } |
1385 | ||
1386 | ||
f5db0993 WD |
1387 | /* Search for an identically-named item in the file list. Note that the |
1388 | * items must agree in their directory-ness, or no match is returned. */ | |
2f3cad89 | 1389 | int flist_find(struct file_list *flist, struct file_struct *f) |
c627d613 | 1390 | { |
f3c3ed44 WD |
1391 | int low = flist->low, high = flist->high; |
1392 | int ret, mid, mid_up; | |
1393 | ||
1394 | while (low <= high) { | |
1395 | mid = (low + high) / 2; | |
1396 | for (mid_up = mid; !flist->files[mid_up]->basename; mid_up++) {} | |
1397 | if (mid_up <= high) | |
14698a3a | 1398 | ret = f_name_cmp(flist->files[mid_up], f); |
f3c3ed44 WD |
1399 | else |
1400 | ret = 1; | |
f5db0993 WD |
1401 | if (ret == 0) { |
1402 | if (protocol_version < 29 | |
1403 | && S_ISDIR(flist->files[mid_up]->mode) | |
1404 | != S_ISDIR(f->mode)) | |
1405 | return -1; | |
f3c3ed44 | 1406 | return mid_up; |
f5db0993 | 1407 | } |
b7736c79 | 1408 | if (ret > 0) |
f3c3ed44 | 1409 | high = mid - 1; |
b7736c79 | 1410 | else |
f3c3ed44 | 1411 | low = mid_up + 1; |
d966ee25 | 1412 | } |
d966ee25 | 1413 | return -1; |
c627d613 AT |
1414 | } |
1415 | ||
f5db0993 | 1416 | |
3ec4dd97 | 1417 | /* |
9935066b S |
1418 | * Free up any resources a file_struct has allocated |
1419 | * and clear the file. | |
3ec4dd97 | 1420 | */ |
9935066b | 1421 | void clear_file(int i, struct file_list *flist) |
c627d613 | 1422 | { |
9935066b S |
1423 | if (flist->hlink_pool && flist->files[i]->link_u.idev) |
1424 | pool_free(flist->hlink_pool, 0, flist->files[i]->link_u.idev); | |
1425 | memset(flist->files[i], 0, file_struct_len); | |
3ec4dd97 | 1426 | } |
c627d613 | 1427 | |
c627d613 | 1428 | |
3d382777 AT |
1429 | /* |
1430 | * allocate a new file list | |
1431 | */ | |
9935066b | 1432 | struct file_list *flist_new(int with_hlink, char *msg) |
3d382777 AT |
1433 | { |
1434 | struct file_list *flist; | |
1435 | ||
58cadc86 | 1436 | flist = new(struct file_list); |
ebed4c3a | 1437 | if (!flist) |
9935066b | 1438 | out_of_memory(msg); |
3d382777 | 1439 | |
9935066b S |
1440 | memset(flist, 0, sizeof (struct file_list)); |
1441 | ||
1442 | if (!(flist->file_pool = pool_create(FILE_EXTENT, 0, | |
1443 | out_of_memory, POOL_INTERN))) | |
1444 | out_of_memory(msg); | |
1445 | ||
4f5b0756 | 1446 | #ifdef SUPPORT_HARD_LINKS |
9935066b | 1447 | if (with_hlink && preserve_hard_links) { |
3e491682 | 1448 | if (!(flist->hlink_pool = pool_create(HLINK_EXTENT, |
9935066b S |
1449 | sizeof (struct idev), out_of_memory, POOL_INTERN))) |
1450 | out_of_memory(msg); | |
1451 | } | |
1452 | #endif | |
d9d6bc52 | 1453 | |
3d382777 AT |
1454 | return flist; |
1455 | } | |
ebed4c3a | 1456 | |
3ec4dd97 AT |
1457 | /* |
1458 | * free up all elements in a flist | |
1459 | */ | |
1460 | void flist_free(struct file_list *flist) | |
1461 | { | |
9935066b S |
1462 | pool_destroy(flist->file_pool); |
1463 | pool_destroy(flist->hlink_pool); | |
3ec4dd97 | 1464 | free(flist->files); |
3ec4dd97 | 1465 | free(flist); |
c627d613 AT |
1466 | } |
1467 | ||
1468 | ||
1469 | /* | |
1470 | * This routine ensures we don't have any duplicate names in our file list. | |
dbda5fbf | 1471 | * duplicate names can cause corruption because of the pipelining |
c627d613 | 1472 | */ |
827c37f6 | 1473 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups) |
c627d613 | 1474 | { |
6931c138 | 1475 | int i, prev_i = 0; |
c627d613 | 1476 | |
910ee8c9 WD |
1477 | if (!flist) |
1478 | return; | |
1479 | if (flist->count == 0) { | |
1480 | flist->high = -1; | |
3ec4dd97 | 1481 | return; |
910ee8c9 | 1482 | } |
3ec4dd97 | 1483 | |
bf0c5bec | 1484 | sorting_flist = flist; |
ebed4c3a | 1485 | qsort(flist->files, flist->count, |
a4a7e64c | 1486 | sizeof flist->files[0], (int (*)())file_compare); |
bf0c5bec | 1487 | sorting_flist = NULL; |
ebed4c3a | 1488 | |
827c37f6 | 1489 | for (i = no_dups? 0 : flist->count; i < flist->count; i++) { |
b91b50c0 | 1490 | if (flist->files[i]->basename) { |
6931c138 | 1491 | prev_i = i; |
b91b50c0 WD |
1492 | break; |
1493 | } | |
1494 | } | |
f3c3ed44 | 1495 | flist->low = prev_i; |
b91b50c0 | 1496 | while (++i < flist->count) { |
fe1c19dc | 1497 | int j; |
f5db0993 WD |
1498 | struct file_struct *file = flist->files[i]; |
1499 | ||
1500 | if (!file->basename) | |
b91b50c0 | 1501 | continue; |
fe1c19dc WD |
1502 | if (f_name_cmp(file, flist->files[prev_i]) == 0) |
1503 | j = prev_i; | |
1504 | else if (protocol_version >= 29 && S_ISDIR(file->mode)) { | |
f5db0993 WD |
1505 | int save_mode = file->mode; |
1506 | /* Make sure that this directory doesn't duplicate a | |
1507 | * non-directory earlier in the list. */ | |
f5db0993 | 1508 | flist->high = prev_i; |
fe1c19dc WD |
1509 | file->mode = S_IFREG; |
1510 | j = flist_find(flist, file); | |
f5db0993 | 1511 | file->mode = save_mode; |
fe1c19dc WD |
1512 | } else |
1513 | j = -1; | |
1514 | if (j >= 0) { | |
1515 | struct file_struct *fp = flist->files[j]; | |
1516 | int keep, drop; | |
1517 | /* If one is a dir and the other is not, we want to | |
1518 | * keep the dir because it might have contents in the | |
1519 | * list. */ | |
1520 | if (S_ISDIR(file->mode) != S_ISDIR(fp->mode)) { | |
1521 | if (S_ISDIR(file->mode)) | |
1522 | keep = i, drop = j; | |
1523 | else | |
1524 | keep = j, drop = i; | |
1525 | } else | |
1526 | keep = j, drop = i; | |
b91b50c0 | 1527 | if (verbose > 1 && !am_server) { |
ebed4c3a | 1528 | rprintf(FINFO, |
fe1c19dc WD |
1529 | "removing duplicate name %s from file list (%d)\n", |
1530 | safe_fname(f_name(file)), drop); | |
b91b50c0 | 1531 | } |
6931c138 | 1532 | /* Make sure that if we unduplicate '.', that we don't |
ee3751c8 | 1533 | * lose track of a user-specified top directory. */ |
0f0b2e66 WD |
1534 | flist->files[keep]->flags |= flist->files[drop]->flags |
1535 | & (FLAG_TOP_DIR|FLAG_DEL_HERE); | |
fe1c19dc WD |
1536 | |
1537 | clear_file(drop, flist); | |
9935066b | 1538 | |
fe1c19dc WD |
1539 | if (keep == i) { |
1540 | if (flist->low == drop) { | |
1541 | for (j = drop + 1; | |
1542 | j < i && !flist->files[j]->basename; | |
1543 | j++) {} | |
1544 | flist->low = j; | |
1545 | } | |
1546 | prev_i = i; | |
1547 | } | |
728d0922 | 1548 | } else |
6931c138 | 1549 | prev_i = i; |
3ec4dd97 | 1550 | } |
f5db0993 | 1551 | flist->high = no_dups ? prev_i : flist->count - 1; |
0199b05f AT |
1552 | |
1553 | if (strip_root) { | |
f5db0993 WD |
1554 | /* We need to strip off the leading slashes for relative |
1555 | * paths, but this must be done _after_ the sorting phase. */ | |
1556 | for (i = flist->low; i <= flist->high; i++) { | |
1557 | struct file_struct *file = flist->files[i]; | |
ebed4c3a | 1558 | |
f5db0993 WD |
1559 | if (!file->dirname) |
1560 | continue; | |
1561 | if (*file->dirname == '/') { | |
1562 | char *s = file->dirname + 1; | |
1563 | while (*s == '/') s++; | |
1564 | memmove(file->dirname, s, strlen(s) + 1); | |
0199b05f | 1565 | } |
f5db0993 WD |
1566 | |
1567 | if (!*file->dirname) | |
1568 | file->dirname = NULL; | |
0199b05f AT |
1569 | } |
1570 | } | |
cefed3e8 | 1571 | } |
0199b05f | 1572 | |
32cbfe7b WD |
1573 | |
1574 | static void output_flist(struct file_list *flist) | |
cefed3e8 | 1575 | { |
f3c3ed44 | 1576 | char uidbuf[16], gidbuf[16], depthbuf[16]; |
cefed3e8 | 1577 | struct file_struct *file; |
32cbfe7b | 1578 | const char *who = who_am_i(); |
cefed3e8 | 1579 | int i; |
0199b05f | 1580 | |
ebed4c3a | 1581 | for (i = 0; i < flist->count; i++) { |
cefed3e8 | 1582 | file = flist->files[i]; |
56194bcd | 1583 | if ((am_root || am_sender) && preserve_uid) |
f05f993e WD |
1584 | sprintf(uidbuf, " uid=%ld", (long)file->uid); |
1585 | else | |
1586 | *uidbuf = '\0'; | |
cefed3e8 | 1587 | if (preserve_gid && file->gid != GID_NONE) |
f05f993e WD |
1588 | sprintf(gidbuf, " gid=%ld", (long)file->gid); |
1589 | else | |
1590 | *gidbuf = '\0'; | |
f3c3ed44 WD |
1591 | if (!am_sender) |
1592 | sprintf(depthbuf, "%d", file->dir.depth); | |
14698a3a | 1593 | rprintf(FINFO, "[%s] i=%d %s %s%s%s%s mode=0%o len=%.0f%s%s flags=%x\n", |
32cbfe7b | 1594 | who, i, am_sender ? NS(file->dir.root) : depthbuf, |
71903f60 | 1595 | file->dirname ? safe_fname(file->dirname) : "", |
14698a3a WD |
1596 | file->dirname ? "/" : "", NS(file->basename), |
1597 | S_ISDIR(file->mode) ? "/" : "", (int)file->mode, | |
f3c3ed44 | 1598 | (double)file->length, uidbuf, gidbuf, file->flags); |
0199b05f | 1599 | } |
3ec4dd97 AT |
1600 | } |
1601 | ||
1602 | ||
8824e2ce | 1603 | enum fnc_state { s_DIR, s_SLASH, s_BASE, s_TRAILING }; |
f5db0993 | 1604 | enum fnc_type { t_PATH, t_ITEM }; |
8018edd3 | 1605 | |
2f3cad89 | 1606 | /* Compare the names of two file_struct entities, similar to how strcmp() |
f5db0993 WD |
1607 | * would do if it were operating on the joined strings. |
1608 | * | |
1609 | * Some differences beginning with protocol_version 29: (1) directory names | |
1610 | * are compared with an assumed trailing slash so that they compare in a | |
1611 | * way that would cause them to sort immediately prior to any content they | |
1612 | * may have; (2) a directory of any name compares after a non-directory of | |
1613 | * any name at the same depth; (3) a directory with name "." compares prior | |
1614 | * to anything else. These changes mean that a directory and a non-dir | |
1615 | * with the same name will not compare as equal (protocol_version >= 29). | |
1616 | * | |
1617 | * The dirname component can be an empty string, but the basename component | |
1618 | * cannot (and never is in the current codebase). The basename component | |
1619 | * may be NULL (for a removed item), in which case it is considered to be | |
1620 | * after any existing item. */ | |
8018edd3 | 1621 | int f_name_cmp(struct file_struct *f1, struct file_struct *f2) |
3ec4dd97 | 1622 | { |
8018edd3 WD |
1623 | int dif; |
1624 | const uchar *c1, *c2; | |
1ef00d20 | 1625 | enum fnc_state state1, state2; |
f5db0993 WD |
1626 | enum fnc_type type1, type2; |
1627 | enum fnc_type t_path = protocol_version >= 29 ? t_PATH : t_ITEM; | |
8018edd3 WD |
1628 | |
1629 | if (!f1 || !f1->basename) { | |
1630 | if (!f2 || !f2->basename) | |
1631 | return 0; | |
1632 | return -1; | |
1633 | } | |
1634 | if (!f2 || !f2->basename) | |
1635 | return 1; | |
1636 | ||
14698a3a WD |
1637 | c1 = (uchar*)f1->dirname; |
1638 | c2 = (uchar*)f2->dirname; | |
1639 | if (c1 == c2) | |
1640 | c1 = c2 = NULL; | |
1641 | if (!c1) { | |
f5db0993 | 1642 | type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM; |
e90b8ace | 1643 | c1 = (uchar*)f1->basename; |
f5db0993 WD |
1644 | if (type1 == t_PATH && *c1 == '.' && !c1[1]) { |
1645 | type1 = t_ITEM; | |
1646 | state1 = s_TRAILING; | |
1647 | c1 = (uchar*)""; | |
1648 | } else | |
1649 | state1 = s_BASE; | |
080ddf58 | 1650 | } else if (!*c1) { |
f5db0993 | 1651 | type1 = t_path; |
8824e2ce | 1652 | state1 = s_SLASH; |
080ddf58 | 1653 | c1 = (uchar*)"/"; |
f5db0993 WD |
1654 | } else { |
1655 | type1 = t_path; | |
8824e2ce | 1656 | state1 = s_DIR; |
f5db0993 | 1657 | } |
14698a3a | 1658 | if (!c2) { |
f5db0993 | 1659 | type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM; |
e90b8ace | 1660 | c2 = (uchar*)f2->basename; |
f5db0993 WD |
1661 | if (type2 == t_PATH && *c2 == '.' && !c2[1]) { |
1662 | type2 = t_ITEM; | |
1663 | state2 = s_TRAILING; | |
1664 | c2 = (uchar*)""; | |
1665 | } else | |
1666 | state2 = s_BASE; | |
080ddf58 | 1667 | } else if (!*c2) { |
f5db0993 | 1668 | type2 = t_path; |
8824e2ce | 1669 | state2 = s_SLASH; |
080ddf58 | 1670 | c2 = (uchar*)"/"; |
f5db0993 WD |
1671 | } else { |
1672 | type2 = t_path; | |
8824e2ce | 1673 | state2 = s_DIR; |
f5db0993 WD |
1674 | } |
1675 | ||
1676 | if (type1 != type2) | |
1677 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 WD |
1678 | |
1679 | while (1) { | |
f5db0993 | 1680 | if ((dif = (int)*c1++ - (int)*c2++) != 0) |
8018edd3 | 1681 | break; |
f5db0993 | 1682 | if (!*c1) { |
8018edd3 | 1683 | switch (state1) { |
8824e2ce WD |
1684 | case s_DIR: |
1685 | state1 = s_SLASH; | |
e90b8ace | 1686 | c1 = (uchar*)"/"; |
8018edd3 | 1687 | break; |
8824e2ce | 1688 | case s_SLASH: |
f5db0993 | 1689 | type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM; |
e90b8ace | 1690 | c1 = (uchar*)f1->basename; |
cbb5fa4f WD |
1691 | if (type1 == t_PATH && *c1 == '.' && !c1[1]) { |
1692 | type1 = t_ITEM; | |
1693 | state1 = s_TRAILING; | |
1694 | c1 = (uchar*)""; | |
1695 | } else | |
1696 | state1 = s_BASE; | |
8018edd3 | 1697 | break; |
8824e2ce WD |
1698 | case s_BASE: |
1699 | state1 = s_TRAILING; | |
f5db0993 | 1700 | if (type1 == t_PATH) { |
2f3cad89 | 1701 | c1 = (uchar*)"/"; |
f5db0993 WD |
1702 | break; |
1703 | } | |
1704 | /* FALL THROUGH */ | |
8824e2ce | 1705 | case s_TRAILING: |
f5db0993 | 1706 | type1 = t_ITEM; |
8018edd3 WD |
1707 | break; |
1708 | } | |
f5db0993 WD |
1709 | if (*c2 && type1 != type2) |
1710 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 | 1711 | } |
f5db0993 | 1712 | if (!*c2) { |
8018edd3 | 1713 | switch (state2) { |
8824e2ce WD |
1714 | case s_DIR: |
1715 | state2 = s_SLASH; | |
e90b8ace | 1716 | c2 = (uchar*)"/"; |
8018edd3 | 1717 | break; |
8824e2ce | 1718 | case s_SLASH: |
f5db0993 | 1719 | type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM; |
e90b8ace | 1720 | c2 = (uchar*)f2->basename; |
cbb5fa4f WD |
1721 | if (type2 == t_PATH && *c2 == '.' && !c2[1]) { |
1722 | type2 = t_ITEM; | |
1723 | state2 = s_TRAILING; | |
1724 | c2 = (uchar*)""; | |
1725 | } else | |
1726 | state2 = s_BASE; | |
8018edd3 | 1727 | break; |
8824e2ce | 1728 | case s_BASE: |
8824e2ce | 1729 | state2 = s_TRAILING; |
f5db0993 | 1730 | if (type2 == t_PATH) { |
2f3cad89 | 1731 | c2 = (uchar*)"/"; |
f5db0993 WD |
1732 | break; |
1733 | } | |
1734 | /* FALL THROUGH */ | |
8824e2ce | 1735 | case s_TRAILING: |
f5db0993 WD |
1736 | if (!*c1) |
1737 | return 0; | |
1738 | type2 = t_ITEM; | |
8018edd3 WD |
1739 | break; |
1740 | } | |
f5db0993 WD |
1741 | if (type1 != type2) |
1742 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 WD |
1743 | } |
1744 | } | |
1745 | ||
1746 | return dif; | |
1747 | } | |
1748 | ||
3ec4dd97 | 1749 | |
8018edd3 | 1750 | /* Return a copy of the full filename of a flist entry, using the indicated |
882e6893 WD |
1751 | * buffer. No size-checking is done because we checked the size when creating |
1752 | * the file_struct entry. | |
8018edd3 | 1753 | */ |
882e6893 | 1754 | char *f_name_to(struct file_struct *f, char *fbuf) |
8018edd3 | 1755 | { |
ebed4c3a MP |
1756 | if (!f || !f->basename) |
1757 | return NULL; | |
3ec4dd97 | 1758 | |
3ec4dd97 | 1759 | if (f->dirname) { |
882e6893 WD |
1760 | int len = strlen(f->dirname); |
1761 | memcpy(fbuf, f->dirname, len); | |
1762 | fbuf[len] = '/'; | |
1763 | strcpy(fbuf + len + 1, f->basename); | |
8018edd3 | 1764 | } else |
882e6893 | 1765 | strcpy(fbuf, f->basename); |
b7736c79 | 1766 | return fbuf; |
8018edd3 | 1767 | } |
e03dfae5 | 1768 | |
3ec4dd97 | 1769 | |
45478cc7 | 1770 | /* Like f_name_to(), but we rotate through 5 static buffers of our own. */ |
8018edd3 WD |
1771 | char *f_name(struct file_struct *f) |
1772 | { | |
1773 | static char names[5][MAXPATHLEN]; | |
1774 | static unsigned int n; | |
1775 | ||
1776 | n = (n + 1) % (sizeof names / sizeof names[0]); | |
1777 | ||
882e6893 | 1778 | return f_name_to(f, names[n]); |
c627d613 | 1779 | } |
649f8742 | 1780 | |
45478cc7 | 1781 | |
32cbfe7b WD |
1782 | /* Do a non-recursive scan of the named directory, possibly ignoring all |
1783 | * exclude rules except for the daemon's. If "dlen" is >=0, it is the length | |
1784 | * of the dirname string, and also indicates that "dirname" is a MAXPATHLEN | |
1785 | * buffer (the functions we call will append names onto the end, but the old | |
1786 | * dir value will be restored on exit). */ | |
1787 | struct file_list *get_dirlist(char *dirname, int dlen, | |
1788 | int ignore_filter_rules) | |
37802f40 WD |
1789 | { |
1790 | struct file_list *dirlist; | |
1791 | char dirbuf[MAXPATHLEN]; | |
37802f40 WD |
1792 | int save_recurse = recurse; |
1793 | ||
32cbfe7b WD |
1794 | if (dlen < 0) { |
1795 | dlen = strlcpy(dirbuf, dirname, MAXPATHLEN); | |
1796 | if (dlen >= MAXPATHLEN) | |
1797 | return NULL; | |
1798 | dirname = dirbuf; | |
1799 | } | |
37802f40 WD |
1800 | |
1801 | dirlist = flist_new(WITHOUT_HLINK, "get_dirlist"); | |
32cbfe7b | 1802 | |
37802f40 | 1803 | recurse = 0; |
32cbfe7b | 1804 | send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen); |
37802f40 | 1805 | recurse = save_recurse; |
53135fe8 WD |
1806 | if (do_progress) |
1807 | flist_count_offset += dirlist->count; | |
37802f40 | 1808 | |
564ef546 WD |
1809 | clean_flist(dirlist, 0, 0); |
1810 | ||
45478cc7 | 1811 | if (verbose > 3) |
32cbfe7b | 1812 | output_flist(dirlist); |
45478cc7 | 1813 | |
32cbfe7b | 1814 | return dirlist; |
45478cc7 | 1815 | } |