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 | ||
728d0922 WD |
483 | if (always_checksum) { |
484 | char *sum; | |
485 | if (S_ISREG(mode)) | |
486 | sum = file->u.sum; | |
487 | else if (protocol_version < 28) { | |
488 | /* Prior to 28, we sent a useless set of nulls. */ | |
489 | sum = empty_sum; | |
490 | } else | |
491 | sum = NULL; | |
492 | if (sum) { | |
3e491682 S |
493 | write_buf(f, sum, |
494 | protocol_version < 21 ? 2 : MD4_SUM_LENGTH); | |
728d0922 | 495 | } |
ebed4c3a | 496 | } |
182dca5c | 497 | |
ebed4c3a | 498 | strlcpy(lastname, fname, MAXPATHLEN); |
eca2adb4 MP |
499 | |
500 | io_write_phase = "unknown"; | |
182dca5c AT |
501 | } |
502 | ||
503 | ||
504 | ||
f5db0993 WD |
505 | static struct file_struct *receive_file_entry(struct file_list *flist, |
506 | unsigned short flags, int f) | |
182dca5c | 507 | { |
5911fee5 WD |
508 | static time_t modtime; |
509 | static mode_t mode; | |
1490812a | 510 | static int64 dev; |
4124540d | 511 | static dev_t rdev; |
9c5e91f8 | 512 | static uint32 rdev_major; |
5911fee5 WD |
513 | static uid_t uid; |
514 | static gid_t gid; | |
a289addd | 515 | static char lastname[MAXPATHLEN], *lastdir; |
33ffd7c3 | 516 | static int lastdir_depth, lastdir_len = -1; |
42f23f47 | 517 | static unsigned int del_hier_name_len = 0; |
649f8742 | 518 | static int in_del_hier = 0; |
72914a60 | 519 | char thisname[MAXPATHLEN]; |
ebed4c3a | 520 | unsigned int l1 = 0, l2 = 0; |
a1d55ad0 | 521 | int alloc_len, basename_len, dirname_len, linkname_len, sum_len; |
a289addd WD |
522 | OFF_T file_length; |
523 | char *basename, *dirname, *bp; | |
72914a60 AT |
524 | struct file_struct *file; |
525 | ||
f3c3ed44 | 526 | if (!flist) { |
5911fee5 | 527 | modtime = 0, mode = 0; |
4124540d | 528 | dev = 0, rdev = makedev(0, 0); |
9c5e91f8 | 529 | rdev_major = 0; |
5911fee5 WD |
530 | uid = 0, gid = 0; |
531 | *lastname = '\0'; | |
3db859e8 | 532 | lastdir_len = -1; |
649f8742 | 533 | in_del_hier = 0; |
f5db0993 | 534 | return NULL; |
5911fee5 WD |
535 | } |
536 | ||
d01d15e0 | 537 | if (flags & XMIT_SAME_NAME) |
72914a60 | 538 | l1 = read_byte(f); |
ebed4c3a | 539 | |
d01d15e0 | 540 | if (flags & XMIT_LONG_NAME) |
72914a60 AT |
541 | l2 = read_int(f); |
542 | else | |
543 | l2 = read_byte(f); | |
544 | ||
ebed4c3a MP |
545 | if (l2 >= MAXPATHLEN - l1) { |
546 | rprintf(FERROR, | |
547 | "overflow: flags=0x%x l1=%d l2=%d lastname=%s\n", | |
71903f60 | 548 | flags, l1, l2, safe_fname(lastname)); |
d0fd26aa AT |
549 | overflow("receive_file_entry"); |
550 | } | |
72914a60 | 551 | |
ebed4c3a MP |
552 | strlcpy(thisname, lastname, l1 + 1); |
553 | read_sbuf(f, &thisname[l1], l2); | |
554 | thisname[l1 + l2] = 0; | |
72914a60 | 555 | |
ebed4c3a | 556 | strlcpy(lastname, thisname, MAXPATHLEN); |
72914a60 | 557 | |
58b1999e | 558 | clean_fname(thisname, 0); |
72914a60 | 559 | |
0d162bd1 | 560 | if (sanitize_paths) |
33ffd7c3 | 561 | sanitize_path(thisname, thisname, "", 0); |
cb13abfe | 562 | |
a289addd WD |
563 | if ((basename = strrchr(thisname, '/')) != NULL) { |
564 | dirname_len = ++basename - thisname; /* counts future '\0' */ | |
565 | if (lastdir_len == dirname_len - 1 | |
566 | && strncmp(thisname, lastdir, lastdir_len) == 0) { | |
567 | dirname = lastdir; | |
568 | dirname_len = 0; /* indicates no copy is needed */ | |
569 | } else | |
570 | dirname = thisname; | |
72914a60 | 571 | } else { |
a289addd WD |
572 | basename = thisname; |
573 | dirname = NULL; | |
574 | dirname_len = 0; | |
72914a60 | 575 | } |
a289addd | 576 | basename_len = strlen(basename) + 1; /* count the '\0' */ |
72914a60 | 577 | |
a289addd | 578 | file_length = read_longint(f); |
d01d15e0 | 579 | if (!(flags & XMIT_SAME_TIME)) |
30f337c9 | 580 | modtime = (time_t)read_int(f); |
d01d15e0 | 581 | if (!(flags & XMIT_SAME_MODE)) |
30f337c9 | 582 | mode = from_wire_mode(read_int(f)); |
1ef00d20 | 583 | |
a289addd WD |
584 | if (preserve_uid && !(flags & XMIT_SAME_UID)) |
585 | uid = (uid_t)read_int(f); | |
586 | if (preserve_gid && !(flags & XMIT_SAME_GID)) | |
587 | gid = (gid_t)read_int(f); | |
588 | ||
1ef00d20 | 589 | if (preserve_devices) { |
75bc8600 | 590 | if (protocol_version < 28) { |
30f337c9 | 591 | if (IS_DEVICE(mode)) { |
d01d15e0 | 592 | if (!(flags & XMIT_SAME_RDEV_pre28)) |
9c5e91f8 | 593 | rdev = (dev_t)read_int(f); |
75bc8600 | 594 | } else |
9c5e91f8 | 595 | rdev = makedev(0, 0); |
30f337c9 | 596 | } else if (IS_DEVICE(mode)) { |
9c5e91f8 WD |
597 | uint32 rdev_minor; |
598 | if (!(flags & XMIT_SAME_RDEV_MAJOR)) | |
599 | rdev_major = read_int(f); | |
600 | if (flags & XMIT_RDEV_MINOR_IS_SMALL) | |
601 | rdev_minor = read_byte(f); | |
602 | else | |
603 | rdev_minor = read_int(f); | |
604 | rdev = makedev(rdev_major, rdev_minor); | |
1ef00d20 | 605 | } |
b7736c79 | 606 | } |
72914a60 | 607 | |
4f5b0756 | 608 | #ifdef SUPPORT_LINKS |
30f337c9 | 609 | if (preserve_links && S_ISLNK(mode)) { |
a289addd WD |
610 | linkname_len = read_int(f) + 1; /* count the '\0' */ |
611 | if (linkname_len <= 0 || linkname_len > MAXPATHLEN) { | |
612 | rprintf(FERROR, "overflow: linkname_len=%d\n", | |
613 | linkname_len - 1); | |
9dd891bb MP |
614 | overflow("receive_file_entry"); |
615 | } | |
72914a60 | 616 | } |
a289addd | 617 | else |
0d162bd1 | 618 | #endif |
a289addd | 619 | linkname_len = 0; |
0d162bd1 | 620 | |
a289addd WD |
621 | sum_len = always_checksum && S_ISREG(mode) ? MD4_SUM_LENGTH : 0; |
622 | ||
61dec11a | 623 | alloc_len = file_struct_len + dirname_len + basename_len |
9935066b S |
624 | + linkname_len + sum_len; |
625 | bp = pool_alloc(flist->file_pool, alloc_len, "receive_file_entry"); | |
626 | ||
f5db0993 | 627 | file = (struct file_struct *)bp; |
9935066b | 628 | memset(bp, 0, file_struct_len); |
61dec11a | 629 | bp += file_struct_len; |
a289addd | 630 | |
649f8742 | 631 | file->flags = 0; |
a289addd WD |
632 | file->modtime = modtime; |
633 | file->length = file_length; | |
634 | file->mode = mode; | |
635 | file->uid = uid; | |
636 | file->gid = gid; | |
637 | ||
f3c3ed44 WD |
638 | if (dirname_len) { |
639 | file->dirname = lastdir = bp; | |
640 | lastdir_len = dirname_len - 1; | |
641 | memcpy(bp, dirname, dirname_len - 1); | |
642 | bp += dirname_len; | |
643 | bp[-1] = '\0'; | |
644 | lastdir_depth = count_dir_elements(lastdir); | |
645 | file->dir.depth = lastdir_depth + 1; | |
646 | } else if (dirname) { | |
647 | file->dirname = dirname; /* we're reusing lastname */ | |
648 | file->dir.depth = lastdir_depth + 1; | |
649 | } else | |
650 | file->dir.depth = 1; | |
651 | ||
649f8742 | 652 | if (S_ISDIR(mode)) { |
ee3751c8 | 653 | if (basename_len == 1+1 && *basename == '.') /* +1 for '\0' */ |
f3c3ed44 | 654 | file->dir.depth--; |
ee3751c8 | 655 | if (flags & XMIT_TOP_DIR) { |
649f8742 | 656 | in_del_hier = 1; |
f3c3ed44 | 657 | del_hier_name_len = file->dir.depth == 0 ? 0 : l1 + l2; |
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 | |
72914a60 | 708 | if (always_checksum) { |
7c4f063b | 709 | char *sum; |
a289addd WD |
710 | if (sum_len) { |
711 | file->u.sum = sum = bp; | |
712 | /*bp += sum_len;*/ | |
fea4db62 WD |
713 | } else if (protocol_version < 28) { |
714 | /* Prior to 28, we get a useless set of nulls. */ | |
7c4f063b | 715 | sum = empty_sum; |
fea4db62 WD |
716 | } else |
717 | sum = NULL; | |
718 | if (sum) { | |
3e491682 S |
719 | read_buf(f, sum, |
720 | protocol_version < 21 ? 2 : MD4_SUM_LENGTH); | |
fea4db62 | 721 | } |
72914a60 | 722 | } |
ebed4c3a | 723 | |
72914a60 | 724 | if (!preserve_perms) { |
72914a60 | 725 | /* set an appropriate set of permissions based on original |
fea4db62 | 726 | * permissions and umask. This emulates what GNU cp does */ |
72914a60 AT |
727 | file->mode &= ~orig_umask; |
728 | } | |
f5db0993 WD |
729 | |
730 | return file; | |
c627d613 AT |
731 | } |
732 | ||
733 | ||
db719fb0 MP |
734 | /** |
735 | * Create a file_struct for a named file by reading its stat() | |
736 | * information and performing extensive checks against global | |
737 | * options. | |
738 | * | |
739 | * @return the new file, or NULL if there was an error or this file | |
740 | * should be excluded. | |
741 | * | |
742 | * @todo There is a small optimization opportunity here to avoid | |
743 | * stat()ing the file in some circumstances, which has a certain cost. | |
744 | * We are called immediately after doing readdir(), and so we may | |
745 | * already know the d_type of the file. We could for example avoid | |
746 | * statting directories if we're not recursing, but this is not a very | |
747 | * important case. Some systems may not have d_type. | |
748 | **/ | |
314f4591 | 749 | struct file_struct *make_file(char *fname, struct file_list *flist, |
7842418b | 750 | int filter_level) |
c627d613 | 751 | { |
a289addd WD |
752 | static char *lastdir; |
753 | static int lastdir_len = -1; | |
3ec4dd97 | 754 | struct file_struct *file; |
bcacc18b | 755 | STRUCT_STAT st; |
3ec4dd97 | 756 | char sum[SUM_LENGTH]; |
1923b1fc | 757 | char thisname[MAXPATHLEN]; |
e0870f1d | 758 | char linkname[MAXPATHLEN]; |
a1d55ad0 | 759 | int alloc_len, basename_len, dirname_len, linkname_len, sum_len; |
a289addd | 760 | char *basename, *dirname, *bp; |
4844449a | 761 | unsigned short flags = 0; |
3ec4dd97 | 762 | |
d508258a | 763 | if (!flist || !flist->count) /* Ignore lastdir when invalid. */ |
7de2483f | 764 | lastdir_len = -1; |
9935066b | 765 | |
1923b1fc WD |
766 | if (strlcpy(thisname, fname, sizeof thisname) |
767 | >= sizeof thisname - flist_dir_len) { | |
71903f60 WD |
768 | rprintf(FINFO, "skipping overly long name: %s\n", |
769 | safe_fname(fname)); | |
882e6893 WD |
770 | return NULL; |
771 | } | |
58b1999e | 772 | clean_fname(thisname, 0); |
b7736c79 | 773 | if (sanitize_paths) |
33ffd7c3 | 774 | sanitize_path(thisname, thisname, "", 0); |
3ec4dd97 | 775 | |
ebed4c3a | 776 | memset(sum, 0, SUM_LENGTH); |
3ec4dd97 | 777 | |
e0870f1d | 778 | if (readlink_stat(thisname, &st, linkname) != 0) { |
76e26e10 | 779 | int save_errno = errno; |
a4a7e64c | 780 | /* See if file is excluded before reporting an error. */ |
7842418b WD |
781 | if (filter_level != NO_FILTERS |
782 | && is_excluded(thisname, 0, filter_level)) | |
a4a7e64c WD |
783 | return NULL; |
784 | if (save_errno == ENOENT) { | |
4f5b0756 | 785 | #ifdef SUPPORT_LINKS |
a4a7e64c WD |
786 | /* Avoid "vanished" error if symlink points nowhere. */ |
787 | if (copy_links && do_lstat(thisname, &st) == 0 | |
788 | && S_ISLNK(st.st_mode)) { | |
789 | io_error |= IOERR_GENERAL; | |
790 | rprintf(FERROR, "symlink has no referent: %s\n", | |
791 | full_fname(thisname)); | |
e5ce3bcf WD |
792 | } else |
793 | #endif | |
794 | { | |
a4a7e64c WD |
795 | enum logcode c = am_daemon && protocol_version < 28 |
796 | ? FERROR : FINFO; | |
797 | io_error |= IOERR_VANISHED; | |
798 | rprintf(c, "file has vanished: %s\n", | |
799 | full_fname(thisname)); | |
76e26e10 | 800 | } |
a4a7e64c | 801 | } else { |
a8726d2a | 802 | io_error |= IOERR_GENERAL; |
d62bcc17 WD |
803 | rsyserr(FERROR, save_errno, "readlink %s failed", |
804 | full_fname(thisname)); | |
76e26e10 | 805 | } |
3ec4dd97 AT |
806 | return NULL; |
807 | } | |
c627d613 | 808 | |
7842418b WD |
809 | /* backup.c calls us with filter_level set to NO_FILTERS. */ |
810 | if (filter_level == NO_FILTERS) | |
811 | goto skip_filters; | |
ac1a0994 | 812 | |
7e037c42 | 813 | if (S_ISDIR(st.st_mode) && !xfer_dirs) { |
71903f60 | 814 | rprintf(FINFO, "skipping directory %s\n", safe_fname(thisname)); |
3ec4dd97 AT |
815 | return NULL; |
816 | } | |
ebed4c3a | 817 | |
e90cdb8a WD |
818 | /* We only care about directories because we need to avoid recursing |
819 | * into a mount-point directory, not to avoid copying a symlinked | |
820 | * file if -L (or similar) was specified. */ | |
821 | if (one_file_system && st.st_dev != filesystem_dev | |
822 | && S_ISDIR(st.st_mode)) | |
4844449a | 823 | flags |= FLAG_MOUNT_POINT; |
ebed4c3a | 824 | |
7842418b | 825 | if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) |
76e26e10 DD |
826 | return NULL; |
827 | ||
132fcf36 | 828 | if (lp_ignore_nonreadable(module_id)) { |
4f5b0756 | 829 | #ifdef SUPPORT_LINKS |
132fcf36 WD |
830 | if (!S_ISLNK(st.st_mode)) |
831 | #endif | |
832 | if (access(thisname, R_OK) != 0) | |
833 | return NULL; | |
834 | } | |
ac1a0994 | 835 | |
7842418b | 836 | skip_filters: |
ac1a0994 | 837 | |
ea847c62 WD |
838 | if (verbose > 2) { |
839 | rprintf(FINFO, "[%s] make_file(%s,*,%d)\n", | |
71903f60 | 840 | who_am_i(), safe_fname(thisname), filter_level); |
ea847c62 | 841 | } |
ebed4c3a | 842 | |
a289addd WD |
843 | if ((basename = strrchr(thisname, '/')) != NULL) { |
844 | dirname_len = ++basename - thisname; /* counts future '\0' */ | |
845 | if (lastdir_len == dirname_len - 1 | |
846 | && strncmp(thisname, lastdir, lastdir_len) == 0) { | |
847 | dirname = lastdir; | |
848 | dirname_len = 0; /* indicates no copy is needed */ | |
849 | } else | |
850 | dirname = thisname; | |
3ec4dd97 | 851 | } else { |
a289addd WD |
852 | basename = thisname; |
853 | dirname = NULL; | |
854 | dirname_len = 0; | |
3ec4dd97 | 855 | } |
a289addd | 856 | basename_len = strlen(basename) + 1; /* count the '\0' */ |
c627d613 | 857 | |
4f5b0756 | 858 | #ifdef SUPPORT_LINKS |
a289addd WD |
859 | linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0; |
860 | #else | |
861 | linkname_len = 0; | |
862 | #endif | |
863 | ||
a289addd WD |
864 | sum_len = always_checksum && S_ISREG(st.st_mode) ? MD4_SUM_LENGTH : 0; |
865 | ||
61dec11a | 866 | alloc_len = file_struct_len + dirname_len + basename_len |
9935066b S |
867 | + linkname_len + sum_len; |
868 | if (flist) { | |
869 | bp = pool_alloc(flist->file_pool, alloc_len, | |
870 | "receive_file_entry"); | |
871 | } else { | |
872 | if (!(bp = new_array(char, alloc_len))) | |
873 | out_of_memory("receive_file_entry"); | |
874 | } | |
875 | ||
a289addd | 876 | file = (struct file_struct *)bp; |
9935066b | 877 | memset(bp, 0, file_struct_len); |
61dec11a | 878 | bp += file_struct_len; |
a289addd WD |
879 | |
880 | file->flags = flags; | |
3ec4dd97 AT |
881 | file->modtime = st.st_mtime; |
882 | file->length = st.st_size; | |
883 | file->mode = st.st_mode; | |
884 | file->uid = st.st_uid; | |
885 | file->gid = st.st_gid; | |
0d162bd1 | 886 | |
4f5b0756 | 887 | #ifdef SUPPORT_HARD_LINKS |
9935066b S |
888 | if (flist && flist->hlink_pool) { |
889 | if (protocol_version < 28) { | |
890 | if (S_ISREG(st.st_mode)) | |
891 | file->link_u.idev = pool_talloc( | |
892 | flist->hlink_pool, struct idev, 1, | |
893 | "inode_table"); | |
894 | } else { | |
895 | if (!S_ISDIR(st.st_mode) && st.st_nlink > 1) | |
896 | file->link_u.idev = pool_talloc( | |
897 | flist->hlink_pool, struct idev, 1, | |
898 | "inode_table"); | |
899 | } | |
900 | } | |
901 | if (file->link_u.idev) { | |
61dec11a WD |
902 | file->F_DEV = st.st_dev; |
903 | file->F_INODE = st.st_ino; | |
904 | } | |
905 | #endif | |
906 | ||
a289addd WD |
907 | if (dirname_len) { |
908 | file->dirname = lastdir = bp; | |
909 | lastdir_len = dirname_len - 1; | |
910 | memcpy(bp, dirname, dirname_len - 1); | |
911 | bp += dirname_len; | |
912 | bp[-1] = '\0'; | |
913 | } else if (dirname) | |
914 | file->dirname = dirname; | |
915 | ||
916 | file->basename = bp; | |
917 | memcpy(bp, basename, basename_len); | |
918 | bp += basename_len; | |
919 | ||
4f5b0756 | 920 | #ifdef HAVE_STRUCT_STAT_ST_RDEV |
0d162bd1 WD |
921 | if (preserve_devices && IS_DEVICE(st.st_mode)) |
922 | file->u.rdev = st.st_rdev; | |
923 | #endif | |
924 | ||
4f5b0756 | 925 | #ifdef SUPPORT_LINKS |
a289addd WD |
926 | if (linkname_len) { |
927 | file->u.link = bp; | |
928 | memcpy(bp, linkname, linkname_len); | |
929 | bp += linkname_len; | |
930 | } | |
0d162bd1 WD |
931 | #endif |
932 | ||
a289addd WD |
933 | if (sum_len) { |
934 | file->u.sum = bp; | |
935 | file_checksum(thisname, bp, st.st_size); | |
936 | /*bp += sum_len;*/ | |
ebed4c3a | 937 | } |
c627d613 | 938 | |
f3c3ed44 | 939 | file->dir.root = flist_dir; |
c627d613 | 940 | |
23f4587f WD |
941 | /* This code is only used by the receiver when it is building |
942 | * a list of files for a delete pass. */ | |
943 | if (keep_dirlinks && linkname_len && flist) { | |
944 | STRUCT_STAT st2; | |
f5db0993 WD |
945 | int save_mode = file->mode; |
946 | file->mode = S_IFDIR; /* find a directory w/our name */ | |
d64e6f42 | 947 | if (flist_find(the_file_list, file) >= 0 |
23f4587f WD |
948 | && do_stat(thisname, &st2) == 0 && S_ISDIR(st2.st_mode)) { |
949 | file->modtime = st2.st_mtime; | |
950 | file->length = st2.st_size; | |
951 | file->mode = st2.st_mode; | |
952 | file->uid = st2.st_uid; | |
953 | file->gid = st2.st_gid; | |
954 | file->u.link = NULL; | |
f5db0993 WD |
955 | } else |
956 | file->mode = save_mode; | |
23f4587f WD |
957 | } |
958 | ||
d17190df | 959 | if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) |
a800434a | 960 | stats.total_size += st.st_size; |
c627d613 | 961 | |
3ec4dd97 | 962 | return file; |
c627d613 AT |
963 | } |
964 | ||
965 | ||
301fb56c WD |
966 | static struct file_struct *send_file_name(int f, struct file_list *flist, |
967 | char *fname, unsigned short base_flags) | |
c627d613 | 968 | { |
ebed4c3a MP |
969 | struct file_struct *file; |
970 | ||
37802f40 WD |
971 | file = make_file(fname, flist, f == -2 ? SERVER_FILTERS : ALL_FILTERS); |
972 | if (!file) | |
301fb56c | 973 | return NULL; |
ebed4c3a | 974 | |
53135fe8 | 975 | maybe_emit_filelist_progress(flist->count + flist_count_offset); |
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 | } | |
301fb56c WD |
983 | return file; |
984 | } | |
ebed4c3a | 985 | |
301fb56c WD |
986 | static void send_if_directory(int f, struct file_list *flist, |
987 | struct file_struct *file) | |
988 | { | |
989 | char fbuf[MAXPATHLEN]; | |
990 | ||
991 | if (S_ISDIR(file->mode) | |
f1773e09 WD |
992 | && !(file->flags & FLAG_MOUNT_POINT) && f_name_to(file, fbuf)) { |
993 | void *save_filters; | |
994 | unsigned int len = strlen(fbuf); | |
995 | if (len > 1 && fbuf[len-1] == '/') | |
996 | fbuf[--len] = '\0'; | |
997 | if (len >= MAXPATHLEN - 1) { | |
998 | io_error |= IOERR_GENERAL; | |
999 | rprintf(FERROR, "skipping long-named directory: %s\n", | |
1000 | full_fname(fbuf)); | |
1001 | return; | |
1002 | } | |
1003 | save_filters = push_local_filters(fbuf, len); | |
1004 | send_directory(f, flist, fbuf, len); | |
1005 | pop_local_filters(save_filters); | |
ebed4c3a | 1006 | } |
c627d613 AT |
1007 | } |
1008 | ||
1009 | ||
301fb56c | 1010 | /* This function is normally called by the sender, but the receiving side also |
7b558d7f | 1011 | * calls it from get_dirlist() with f set to -1 so that we just construct the |
301fb56c WD |
1012 | * file list in memory without sending it over the wire. Also, get_dirlist() |
1013 | * might call this with f set to -2, which also indicates that local filter | |
1014 | * rules should be ignored. */ | |
f1773e09 | 1015 | static void send_directory(int f, struct file_list *flist, |
32cbfe7b | 1016 | char *fbuf, int len) |
c627d613 | 1017 | { |
3ec4dd97 | 1018 | struct dirent *di; |
32cbfe7b | 1019 | unsigned remainder; |
3ec4dd97 | 1020 | char *p; |
f1773e09 | 1021 | DIR *d; |
301fb56c | 1022 | int start = flist->count; |
3ec4dd97 | 1023 | |
f1773e09 | 1024 | if (!(d = opendir(fbuf))) { |
06c28400 | 1025 | io_error |= IOERR_GENERAL; |
f1773e09 | 1026 | rsyserr(FERROR, errno, "opendir %s failed", full_fname(fbuf)); |
3ec4dd97 AT |
1027 | return; |
1028 | } | |
c627d613 | 1029 | |
19b2a5d9 WD |
1030 | p = fbuf + len; |
1031 | if (len != 1 || *fbuf != '/') | |
eddd5d12 | 1032 | *p++ = '/'; |
f1773e09 | 1033 | *p = '\0'; |
32cbfe7b | 1034 | remainder = MAXPATHLEN - (p - fbuf); |
ebed4c3a | 1035 | |
6a7cc46c | 1036 | for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) { |
d6e6ecbd | 1037 | char *dname = d_name(di); |
6a7cc46c S |
1038 | if (dname[0] == '.' && (dname[1] == '\0' |
1039 | || (dname[1] == '.' && dname[2] == '\0'))) | |
3ec4dd97 | 1040 | continue; |
301fb56c WD |
1041 | if (strlcpy(p, dname, remainder) < remainder) |
1042 | send_file_name(f, flist, fbuf, 0); | |
1043 | else { | |
eddd5d12 WD |
1044 | io_error |= IOERR_GENERAL; |
1045 | rprintf(FINFO, | |
1046 | "cannot send long-named file %s\n", | |
f1773e09 | 1047 | full_fname(fbuf)); |
eddd5d12 | 1048 | } |
3ec4dd97 | 1049 | } |
32cbfe7b WD |
1050 | |
1051 | fbuf[len] = '\0'; | |
1052 | ||
6a7cc46c | 1053 | if (errno) { |
06c28400 | 1054 | io_error |= IOERR_GENERAL; |
71903f60 | 1055 | rsyserr(FERROR, errno, "readdir(%s)", full_fname(fbuf)); |
6a7cc46c | 1056 | } |
c627d613 | 1057 | |
3ec4dd97 | 1058 | closedir(d); |
301fb56c WD |
1059 | |
1060 | if (recurse) { | |
1061 | int i, end = flist->count - 1; | |
1062 | for (i = start; i <= end; i++) | |
1063 | send_if_directory(f, flist, flist->files[i]); | |
1064 | } | |
c627d613 AT |
1065 | } |
1066 | ||
1067 | ||
ebed4c3a | 1068 | struct file_list *send_file_list(int f, int argc, char *argv[]) |
c627d613 | 1069 | { |
24d0fcde | 1070 | int l; |
bcacc18b | 1071 | STRUCT_STAT st; |
808c57c3 | 1072 | char *p, *dir, olddir[sizeof curr_dir]; |
ebed4c3a | 1073 | char lastpath[MAXPATHLEN] = ""; |
649d65ed | 1074 | struct file_list *flist; |
31b4d25d | 1075 | struct timeval start_tv, end_tv; |
a800434a | 1076 | int64 start_write; |
24d0fcde | 1077 | int use_ff_fd = 0; |
649d65ed | 1078 | |
134f4338 | 1079 | if (show_filelist_p()) |
1bbd10fe | 1080 | start_filelist_progress("building file list"); |
c627d613 | 1081 | |
a800434a | 1082 | start_write = stats.total_written; |
31b4d25d | 1083 | gettimeofday(&start_tv, NULL); |
a800434a | 1084 | |
134f4338 | 1085 | flist = flist_new(WITH_HLINK, "send_file_list"); |
c627d613 | 1086 | |
134f4338 WD |
1087 | io_start_buffering_out(); |
1088 | if (filesfrom_fd >= 0) { | |
1089 | if (argv[0] && !push_dir(argv[0])) { | |
1090 | rsyserr(FERROR, errno, "push_dir %s failed", | |
1091 | full_fname(argv[0])); | |
1092 | exit_cleanup(RERR_FILESELECT); | |
24d0fcde | 1093 | } |
134f4338 | 1094 | use_ff_fd = 1; |
d6dead6b AT |
1095 | } |
1096 | ||
24d0fcde | 1097 | while (1) { |
301fb56c | 1098 | struct file_struct *file; |
fc638474 DD |
1099 | char fname2[MAXPATHLEN]; |
1100 | char *fname = fname2; | |
301fb56c | 1101 | int is_dot_dir; |
c627d613 | 1102 | |
24d0fcde WD |
1103 | if (use_ff_fd) { |
1104 | if (read_filesfrom_line(filesfrom_fd, fname) == 0) | |
1105 | break; | |
33ffd7c3 | 1106 | sanitize_path(fname, fname, "", 0); |
24d0fcde WD |
1107 | } else { |
1108 | if (argc-- == 0) | |
1109 | break; | |
1110 | strlcpy(fname, *argv++, MAXPATHLEN); | |
1111 | if (sanitize_paths) | |
33ffd7c3 | 1112 | sanitize_path(fname, fname, "", 0); |
24d0fcde | 1113 | } |
c627d613 | 1114 | |
649d65ed | 1115 | l = strlen(fname); |
9f125ea7 | 1116 | if (!l || fname[l - 1] == '/') { |
6931c138 WD |
1117 | if (l == 2 && fname[0] == '.') { |
1118 | /* Turn "./" into just "." rather than "./." */ | |
1119 | fname[1] = '\0'; | |
eddd5d12 WD |
1120 | } else if (l < MAXPATHLEN) { |
1121 | fname[l++] = '.'; | |
1122 | fname[l] = '\0'; | |
53f821f1 | 1123 | } |
301fb56c WD |
1124 | is_dot_dir = 1; |
1125 | } else { | |
1126 | is_dot_dir = fname[l-1] == '.' | |
1127 | && (l == 1 || fname[l-2] == '/'); | |
649d65ed | 1128 | } |
c627d613 | 1129 | |
314f4591 | 1130 | if (link_stat(fname, &st, keep_dirlinks) != 0) { |
134f4338 WD |
1131 | io_error |= IOERR_GENERAL; |
1132 | rsyserr(FERROR, errno, "link_stat %s failed", | |
1133 | full_fname(fname)); | |
649d65ed AT |
1134 | continue; |
1135 | } | |
c627d613 | 1136 | |
7e037c42 | 1137 | if (S_ISDIR(st.st_mode) && !xfer_dirs) { |
71903f60 WD |
1138 | rprintf(FINFO, "skipping directory %s\n", |
1139 | safe_fname(fname)); | |
649d65ed AT |
1140 | continue; |
1141 | } | |
c627d613 | 1142 | |
649d65ed | 1143 | dir = NULL; |
808c57c3 | 1144 | olddir[0] = '\0'; |
649d65ed AT |
1145 | |
1146 | if (!relative_paths) { | |
ebed4c3a | 1147 | p = strrchr(fname, '/'); |
649d65ed AT |
1148 | if (p) { |
1149 | *p = 0; | |
ebed4c3a | 1150 | if (p == fname) |
649d65ed AT |
1151 | dir = "/"; |
1152 | else | |
ebed4c3a MP |
1153 | dir = fname; |
1154 | fname = p + 1; | |
649d65ed | 1155 | } |
134f4338 | 1156 | } else if (implied_dirs && (p=strrchr(fname,'/')) && p != fname) { |
649d65ed AT |
1157 | /* this ensures we send the intermediate directories, |
1158 | thus getting their permissions right */ | |
2154309a | 1159 | char *lp = lastpath, *fn = fname, *slash = fname; |
649d65ed | 1160 | *p = 0; |
2154309a WD |
1161 | /* Skip any initial directories in our path that we |
1162 | * have in common with lastpath. */ | |
1163 | while (*fn && *lp == *fn) { | |
1164 | if (*fn == '/') | |
1165 | slash = fn; | |
1166 | lp++, fn++; | |
1167 | } | |
1168 | *p = '/'; | |
1169 | if (fn != p || (*lp && *lp != '/')) { | |
0f57446d | 1170 | int save_copy_links = copy_links; |
7e037c42 | 1171 | int save_xfer_dirs = xfer_dirs; |
2154309a | 1172 | copy_links = copy_unsafe_links; |
7e037c42 | 1173 | xfer_dirs = 1; |
2154309a WD |
1174 | while ((slash = strchr(slash+1, '/')) != 0) { |
1175 | *slash = 0; | |
301fb56c | 1176 | send_file_name(f, flist, fname, 0); |
2154309a | 1177 | *slash = '/'; |
649d65ed | 1178 | } |
0f57446d | 1179 | copy_links = save_copy_links; |
7e037c42 | 1180 | xfer_dirs = save_xfer_dirs; |
2154309a WD |
1181 | *p = 0; |
1182 | strlcpy(lastpath, fname, sizeof lastpath); | |
649d65ed AT |
1183 | *p = '/'; |
1184 | } | |
1185 | } | |
ebed4c3a | 1186 | |
649d65ed AT |
1187 | if (!*fname) |
1188 | fname = "."; | |
ebed4c3a | 1189 | |
649d65ed | 1190 | if (dir && *dir) { |
882e6893 WD |
1191 | static char *lastdir; |
1192 | static int lastdir_len; | |
1193 | ||
808c57c3 | 1194 | strcpy(olddir, curr_dir); /* can't overflow */ |
5243c216 | 1195 | |
808c57c3 | 1196 | if (!push_dir(dir)) { |
06c28400 | 1197 | io_error |= IOERR_GENERAL; |
d62bcc17 WD |
1198 | rsyserr(FERROR, errno, "push_dir %s failed", |
1199 | full_fname(dir)); | |
649d65ed AT |
1200 | continue; |
1201 | } | |
5243c216 | 1202 | |
882e6893 WD |
1203 | if (lastdir && strcmp(lastdir, dir) == 0) { |
1204 | flist_dir = lastdir; | |
1205 | flist_dir_len = lastdir_len; | |
1206 | } else { | |
882e6893 WD |
1207 | flist_dir = lastdir = strdup(dir); |
1208 | flist_dir_len = lastdir_len = strlen(dir); | |
1209 | } | |
2bca43f6 | 1210 | } |
ebed4c3a | 1211 | |
2bca43f6 | 1212 | if (one_file_system) |
45478cc7 | 1213 | filesystem_dev = st.st_dev; |
2bca43f6 | 1214 | |
301fb56c WD |
1215 | if ((file = send_file_name(f, flist, fname, XMIT_TOP_DIR))) { |
1216 | if (recurse || (xfer_dirs && is_dot_dir)) | |
1217 | send_if_directory(f, flist, file); | |
1218 | } | |
2bca43f6 | 1219 | |
808c57c3 | 1220 | if (olddir[0]) { |
649d65ed | 1221 | flist_dir = NULL; |
882e6893 | 1222 | flist_dir_len = 0; |
808c57c3 | 1223 | if (!pop_dir(olddir)) { |
d62bcc17 WD |
1224 | rsyserr(FERROR, errno, "pop_dir %s failed", |
1225 | full_fname(dir)); | |
65417579 | 1226 | exit_cleanup(RERR_FILESELECT); |
649d65ed | 1227 | } |
649d65ed | 1228 | } |
649d65ed | 1229 | } |
dc5ddbcc | 1230 | |
134f4338 WD |
1231 | gettimeofday(&end_tv, NULL); |
1232 | stats.flist_buildtime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000 | |
1233 | + (end_tv.tv_usec - start_tv.tv_usec) / 1000; | |
1234 | if (stats.flist_buildtime == 0) | |
1235 | stats.flist_buildtime = 1; | |
1236 | start_tv = end_tv; | |
31b4d25d | 1237 | |
134f4338 | 1238 | send_file_entry(NULL, f, 0); |
c627d613 | 1239 | |
134f4338 WD |
1240 | if (show_filelist_p()) |
1241 | finish_filelist_progress(flist); | |
31b4d25d | 1242 | |
134f4338 WD |
1243 | gettimeofday(&end_tv, NULL); |
1244 | stats.flist_xfertime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000 | |
1245 | + (end_tv.tv_usec - start_tv.tv_usec) / 1000; | |
ebed4c3a | 1246 | |
7cf8e8d0 | 1247 | if (flist->hlink_pool) { |
9935066b S |
1248 | pool_destroy(flist->hlink_pool); |
1249 | flist->hlink_pool = NULL; | |
1250 | } | |
1251 | ||
f5db0993 WD |
1252 | /* Sort the list without removing any duplicates. This allows the |
1253 | * receiving side to ask for any name they like, which gives us the | |
1254 | * flexibility to change the way we unduplicate names in the future | |
1255 | * without causing a compatibility problem with older versions. */ | |
827c37f6 | 1256 | clean_flist(flist, 0, 0); |
ebed4c3a | 1257 | |
134f4338 WD |
1258 | /* Now send the uid/gid list. This was introduced in |
1259 | * protocol version 15 */ | |
1260 | send_uid_list(f); | |
f6c34742 | 1261 | |
134f4338 WD |
1262 | /* send the io_error flag */ |
1263 | write_int(f, lp_ignore_errors(module_id) ? 0 : io_error); | |
6ba9279f | 1264 | |
134f4338 WD |
1265 | io_end_buffering(); |
1266 | stats.flist_size = stats.total_written - start_write; | |
1267 | stats.num_files = flist->count; | |
d6dead6b | 1268 | |
cefed3e8 | 1269 | if (verbose > 3) |
32cbfe7b | 1270 | output_flist(flist); |
cefed3e8 | 1271 | |
17faa41c | 1272 | if (verbose > 2) |
ebed4c3a | 1273 | rprintf(FINFO, "send_file_list done\n"); |
17faa41c | 1274 | |
649d65ed | 1275 | return flist; |
c627d613 AT |
1276 | } |
1277 | ||
1278 | ||
1279 | struct file_list *recv_file_list(int f) | |
1280 | { | |
ebed4c3a | 1281 | struct file_list *flist; |
1ef00d20 | 1282 | unsigned short flags; |
ebed4c3a | 1283 | int64 start_read; |
c627d613 | 1284 | |
1bbd10fe DD |
1285 | if (show_filelist_p()) |
1286 | start_filelist_progress("receiving file list"); | |
c627d613 | 1287 | |
ebed4c3a | 1288 | start_read = stats.total_read; |
a800434a | 1289 | |
9935066b | 1290 | flist = flist_new(WITH_HLINK, "recv_file_list"); |
c627d613 | 1291 | |
ebed4c3a MP |
1292 | flist->count = 0; |
1293 | flist->malloced = 1000; | |
58cadc86 | 1294 | flist->files = new_array(struct file_struct *, flist->malloced); |
ebed4c3a MP |
1295 | if (!flist->files) |
1296 | goto oom; | |
c627d613 AT |
1297 | |
1298 | ||
1ef00d20 | 1299 | while ((flags = read_byte(f)) != 0) { |
f5db0993 | 1300 | struct file_struct *file; |
dbda5fbf | 1301 | |
d9d6bc52 | 1302 | flist_expand(flist); |
c627d613 | 1303 | |
d01d15e0 | 1304 | if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS)) |
75bc8600 | 1305 | flags |= read_byte(f) << 8; |
f5db0993 | 1306 | file = receive_file_entry(flist, flags, f); |
c627d613 | 1307 | |
f5db0993 WD |
1308 | if (S_ISREG(file->mode)) |
1309 | stats.total_size += file->length; | |
c627d613 | 1310 | |
f5db0993 | 1311 | flist->files[flist->count++] = file; |
c627d613 | 1312 | |
53135fe8 | 1313 | maybe_emit_filelist_progress(flist->count); |
1bbd10fe | 1314 | |
8018edd3 | 1315 | if (verbose > 2) { |
ebed4c3a | 1316 | rprintf(FINFO, "recv_file_name(%s)\n", |
f5db0993 | 1317 | safe_fname(f_name(file))); |
8018edd3 | 1318 | } |
ebed4c3a | 1319 | } |
f5db0993 | 1320 | receive_file_entry(NULL, 0, 0); /* Signal that we're done. */ |
c627d613 | 1321 | |
ebed4c3a MP |
1322 | if (verbose > 2) |
1323 | rprintf(FINFO, "received %d names\n", flist->count); | |
c627d613 | 1324 | |
b7736c79 | 1325 | if (show_filelist_p()) |
1bbd10fe | 1326 | finish_filelist_progress(flist); |
a06d19e3 | 1327 | |
983b1ed3 WD |
1328 | clean_flist(flist, relative_paths, 1); |
1329 | ||
37802f40 | 1330 | if (f >= 0) { |
785db4ce WD |
1331 | /* Now send the uid/gid list. This was introduced in |
1332 | * protocol version 15 */ | |
ebed4c3a | 1333 | recv_uid_list(f, flist); |
f6c34742 | 1334 | |
b9f592fb WD |
1335 | /* Recv the io_error flag */ |
1336 | if (lp_ignore_errors(module_id) || ignore_errors) | |
1337 | read_int(f); | |
1338 | else | |
1339 | io_error |= read_int(f); | |
ebed4c3a | 1340 | } |
6ba9279f | 1341 | |
cefed3e8 | 1342 | if (verbose > 3) |
32cbfe7b | 1343 | output_flist(flist); |
cefed3e8 | 1344 | |
ebed4c3a MP |
1345 | if (list_only) { |
1346 | int i; | |
b7736c79 | 1347 | for (i = 0; i < flist->count; i++) |
ebed4c3a | 1348 | list_file_entry(flist->files[i]); |
ebed4c3a | 1349 | } |
f7632fc6 | 1350 | |
ebed4c3a MP |
1351 | if (verbose > 2) |
1352 | rprintf(FINFO, "recv_file_list done\n"); | |
17faa41c | 1353 | |
ebed4c3a MP |
1354 | stats.flist_size = stats.total_read - start_read; |
1355 | stats.num_files = flist->count; | |
a800434a | 1356 | |
ebed4c3a | 1357 | return flist; |
c627d613 | 1358 | |
3e491682 | 1359 | oom: |
ebed4c3a MP |
1360 | out_of_memory("recv_file_list"); |
1361 | return NULL; /* not reached */ | |
c627d613 AT |
1362 | } |
1363 | ||
1364 | ||
14698a3a | 1365 | static int file_compare(struct file_struct **file1, struct file_struct **file2) |
c627d613 | 1366 | { |
14698a3a | 1367 | return f_name_cmp(*file1, *file2); |
c627d613 AT |
1368 | } |
1369 | ||
1370 | ||
f5db0993 WD |
1371 | /* Search for an identically-named item in the file list. Note that the |
1372 | * items must agree in their directory-ness, or no match is returned. */ | |
2f3cad89 | 1373 | int flist_find(struct file_list *flist, struct file_struct *f) |
c627d613 | 1374 | { |
f3c3ed44 WD |
1375 | int low = flist->low, high = flist->high; |
1376 | int ret, mid, mid_up; | |
1377 | ||
1378 | while (low <= high) { | |
1379 | mid = (low + high) / 2; | |
1380 | for (mid_up = mid; !flist->files[mid_up]->basename; mid_up++) {} | |
1381 | if (mid_up <= high) | |
14698a3a | 1382 | ret = f_name_cmp(flist->files[mid_up], f); |
f3c3ed44 WD |
1383 | else |
1384 | ret = 1; | |
f5db0993 WD |
1385 | if (ret == 0) { |
1386 | if (protocol_version < 29 | |
1387 | && S_ISDIR(flist->files[mid_up]->mode) | |
1388 | != S_ISDIR(f->mode)) | |
1389 | return -1; | |
f3c3ed44 | 1390 | return mid_up; |
f5db0993 | 1391 | } |
b7736c79 | 1392 | if (ret > 0) |
f3c3ed44 | 1393 | high = mid - 1; |
b7736c79 | 1394 | else |
f3c3ed44 | 1395 | low = mid_up + 1; |
d966ee25 | 1396 | } |
d966ee25 | 1397 | return -1; |
c627d613 AT |
1398 | } |
1399 | ||
f5db0993 | 1400 | |
3ec4dd97 | 1401 | /* |
9935066b S |
1402 | * Free up any resources a file_struct has allocated |
1403 | * and clear the file. | |
3ec4dd97 | 1404 | */ |
9935066b | 1405 | void clear_file(int i, struct file_list *flist) |
c627d613 | 1406 | { |
9935066b S |
1407 | if (flist->hlink_pool && flist->files[i]->link_u.idev) |
1408 | pool_free(flist->hlink_pool, 0, flist->files[i]->link_u.idev); | |
1409 | memset(flist->files[i], 0, file_struct_len); | |
3ec4dd97 | 1410 | } |
c627d613 | 1411 | |
c627d613 | 1412 | |
3d382777 AT |
1413 | /* |
1414 | * allocate a new file list | |
1415 | */ | |
9935066b | 1416 | struct file_list *flist_new(int with_hlink, char *msg) |
3d382777 AT |
1417 | { |
1418 | struct file_list *flist; | |
1419 | ||
58cadc86 | 1420 | flist = new(struct file_list); |
ebed4c3a | 1421 | if (!flist) |
9935066b | 1422 | out_of_memory(msg); |
3d382777 | 1423 | |
9935066b S |
1424 | memset(flist, 0, sizeof (struct file_list)); |
1425 | ||
1426 | if (!(flist->file_pool = pool_create(FILE_EXTENT, 0, | |
1427 | out_of_memory, POOL_INTERN))) | |
1428 | out_of_memory(msg); | |
1429 | ||
4f5b0756 | 1430 | #ifdef SUPPORT_HARD_LINKS |
9935066b | 1431 | if (with_hlink && preserve_hard_links) { |
3e491682 | 1432 | if (!(flist->hlink_pool = pool_create(HLINK_EXTENT, |
9935066b S |
1433 | sizeof (struct idev), out_of_memory, POOL_INTERN))) |
1434 | out_of_memory(msg); | |
1435 | } | |
1436 | #endif | |
d9d6bc52 | 1437 | |
3d382777 AT |
1438 | return flist; |
1439 | } | |
ebed4c3a | 1440 | |
3ec4dd97 AT |
1441 | /* |
1442 | * free up all elements in a flist | |
1443 | */ | |
1444 | void flist_free(struct file_list *flist) | |
1445 | { | |
9935066b S |
1446 | pool_destroy(flist->file_pool); |
1447 | pool_destroy(flist->hlink_pool); | |
3ec4dd97 | 1448 | free(flist->files); |
3ec4dd97 | 1449 | free(flist); |
c627d613 AT |
1450 | } |
1451 | ||
1452 | ||
1453 | /* | |
1454 | * This routine ensures we don't have any duplicate names in our file list. | |
dbda5fbf | 1455 | * duplicate names can cause corruption because of the pipelining |
c627d613 | 1456 | */ |
827c37f6 | 1457 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups) |
c627d613 | 1458 | { |
6931c138 | 1459 | int i, prev_i = 0; |
c627d613 | 1460 | |
ebed4c3a | 1461 | if (!flist || flist->count == 0) |
3ec4dd97 | 1462 | return; |
3ec4dd97 | 1463 | |
bf0c5bec | 1464 | sorting_flist = flist; |
ebed4c3a | 1465 | qsort(flist->files, flist->count, |
a4a7e64c | 1466 | sizeof flist->files[0], (int (*)())file_compare); |
bf0c5bec | 1467 | sorting_flist = NULL; |
ebed4c3a | 1468 | |
827c37f6 | 1469 | for (i = no_dups? 0 : flist->count; i < flist->count; i++) { |
b91b50c0 | 1470 | if (flist->files[i]->basename) { |
6931c138 | 1471 | prev_i = i; |
b91b50c0 WD |
1472 | break; |
1473 | } | |
1474 | } | |
f3c3ed44 | 1475 | flist->low = prev_i; |
b91b50c0 | 1476 | while (++i < flist->count) { |
fe1c19dc | 1477 | int j; |
f5db0993 WD |
1478 | struct file_struct *file = flist->files[i]; |
1479 | ||
1480 | if (!file->basename) | |
b91b50c0 | 1481 | continue; |
fe1c19dc WD |
1482 | if (f_name_cmp(file, flist->files[prev_i]) == 0) |
1483 | j = prev_i; | |
1484 | else if (protocol_version >= 29 && S_ISDIR(file->mode)) { | |
f5db0993 WD |
1485 | int save_mode = file->mode; |
1486 | /* Make sure that this directory doesn't duplicate a | |
1487 | * non-directory earlier in the list. */ | |
f5db0993 | 1488 | flist->high = prev_i; |
fe1c19dc WD |
1489 | file->mode = S_IFREG; |
1490 | j = flist_find(flist, file); | |
f5db0993 | 1491 | file->mode = save_mode; |
fe1c19dc WD |
1492 | } else |
1493 | j = -1; | |
1494 | if (j >= 0) { | |
1495 | struct file_struct *fp = flist->files[j]; | |
1496 | int keep, drop; | |
1497 | /* If one is a dir and the other is not, we want to | |
1498 | * keep the dir because it might have contents in the | |
1499 | * list. */ | |
1500 | if (S_ISDIR(file->mode) != S_ISDIR(fp->mode)) { | |
1501 | if (S_ISDIR(file->mode)) | |
1502 | keep = i, drop = j; | |
1503 | else | |
1504 | keep = j, drop = i; | |
1505 | } else | |
1506 | keep = j, drop = i; | |
b91b50c0 | 1507 | if (verbose > 1 && !am_server) { |
ebed4c3a | 1508 | rprintf(FINFO, |
fe1c19dc WD |
1509 | "removing duplicate name %s from file list (%d)\n", |
1510 | safe_fname(f_name(file)), drop); | |
b91b50c0 | 1511 | } |
6931c138 | 1512 | /* Make sure that if we unduplicate '.', that we don't |
ee3751c8 | 1513 | * lose track of a user-specified top directory. */ |
fe1c19dc WD |
1514 | if (flist->files[drop]->flags & FLAG_TOP_DIR) |
1515 | flist->files[keep]->flags |= FLAG_TOP_DIR; | |
1516 | ||
1517 | clear_file(drop, flist); | |
9935066b | 1518 | |
fe1c19dc WD |
1519 | if (keep == i) { |
1520 | if (flist->low == drop) { | |
1521 | for (j = drop + 1; | |
1522 | j < i && !flist->files[j]->basename; | |
1523 | j++) {} | |
1524 | flist->low = j; | |
1525 | } | |
1526 | prev_i = i; | |
1527 | } | |
728d0922 | 1528 | } else |
6931c138 | 1529 | prev_i = i; |
3ec4dd97 | 1530 | } |
f5db0993 | 1531 | flist->high = no_dups ? prev_i : flist->count - 1; |
0199b05f AT |
1532 | |
1533 | if (strip_root) { | |
f5db0993 WD |
1534 | /* We need to strip off the leading slashes for relative |
1535 | * paths, but this must be done _after_ the sorting phase. */ | |
1536 | for (i = flist->low; i <= flist->high; i++) { | |
1537 | struct file_struct *file = flist->files[i]; | |
ebed4c3a | 1538 | |
f5db0993 WD |
1539 | if (!file->dirname) |
1540 | continue; | |
1541 | if (*file->dirname == '/') { | |
1542 | char *s = file->dirname + 1; | |
1543 | while (*s == '/') s++; | |
1544 | memmove(file->dirname, s, strlen(s) + 1); | |
0199b05f | 1545 | } |
f5db0993 WD |
1546 | |
1547 | if (!*file->dirname) | |
1548 | file->dirname = NULL; | |
0199b05f AT |
1549 | } |
1550 | } | |
cefed3e8 | 1551 | } |
0199b05f | 1552 | |
32cbfe7b WD |
1553 | |
1554 | static void output_flist(struct file_list *flist) | |
cefed3e8 | 1555 | { |
f3c3ed44 | 1556 | char uidbuf[16], gidbuf[16], depthbuf[16]; |
cefed3e8 | 1557 | struct file_struct *file; |
32cbfe7b | 1558 | const char *who = who_am_i(); |
cefed3e8 | 1559 | int i; |
0199b05f | 1560 | |
ebed4c3a | 1561 | for (i = 0; i < flist->count; i++) { |
cefed3e8 | 1562 | file = flist->files[i]; |
56194bcd | 1563 | if ((am_root || am_sender) && preserve_uid) |
f05f993e WD |
1564 | sprintf(uidbuf, " uid=%ld", (long)file->uid); |
1565 | else | |
1566 | *uidbuf = '\0'; | |
cefed3e8 | 1567 | if (preserve_gid && file->gid != GID_NONE) |
f05f993e WD |
1568 | sprintf(gidbuf, " gid=%ld", (long)file->gid); |
1569 | else | |
1570 | *gidbuf = '\0'; | |
f3c3ed44 WD |
1571 | if (!am_sender) |
1572 | sprintf(depthbuf, "%d", file->dir.depth); | |
14698a3a | 1573 | rprintf(FINFO, "[%s] i=%d %s %s%s%s%s mode=0%o len=%.0f%s%s flags=%x\n", |
32cbfe7b | 1574 | who, i, am_sender ? NS(file->dir.root) : depthbuf, |
71903f60 | 1575 | file->dirname ? safe_fname(file->dirname) : "", |
14698a3a WD |
1576 | file->dirname ? "/" : "", NS(file->basename), |
1577 | S_ISDIR(file->mode) ? "/" : "", (int)file->mode, | |
f3c3ed44 | 1578 | (double)file->length, uidbuf, gidbuf, file->flags); |
0199b05f | 1579 | } |
3ec4dd97 AT |
1580 | } |
1581 | ||
1582 | ||
8824e2ce | 1583 | enum fnc_state { s_DIR, s_SLASH, s_BASE, s_TRAILING }; |
f5db0993 | 1584 | enum fnc_type { t_PATH, t_ITEM }; |
8018edd3 | 1585 | |
2f3cad89 | 1586 | /* Compare the names of two file_struct entities, similar to how strcmp() |
f5db0993 WD |
1587 | * would do if it were operating on the joined strings. |
1588 | * | |
1589 | * Some differences beginning with protocol_version 29: (1) directory names | |
1590 | * are compared with an assumed trailing slash so that they compare in a | |
1591 | * way that would cause them to sort immediately prior to any content they | |
1592 | * may have; (2) a directory of any name compares after a non-directory of | |
1593 | * any name at the same depth; (3) a directory with name "." compares prior | |
1594 | * to anything else. These changes mean that a directory and a non-dir | |
1595 | * with the same name will not compare as equal (protocol_version >= 29). | |
1596 | * | |
1597 | * The dirname component can be an empty string, but the basename component | |
1598 | * cannot (and never is in the current codebase). The basename component | |
1599 | * may be NULL (for a removed item), in which case it is considered to be | |
1600 | * after any existing item. */ | |
8018edd3 | 1601 | int f_name_cmp(struct file_struct *f1, struct file_struct *f2) |
3ec4dd97 | 1602 | { |
8018edd3 WD |
1603 | int dif; |
1604 | const uchar *c1, *c2; | |
1ef00d20 | 1605 | enum fnc_state state1, state2; |
f5db0993 WD |
1606 | enum fnc_type type1, type2; |
1607 | enum fnc_type t_path = protocol_version >= 29 ? t_PATH : t_ITEM; | |
8018edd3 WD |
1608 | |
1609 | if (!f1 || !f1->basename) { | |
1610 | if (!f2 || !f2->basename) | |
1611 | return 0; | |
1612 | return -1; | |
1613 | } | |
1614 | if (!f2 || !f2->basename) | |
1615 | return 1; | |
1616 | ||
14698a3a WD |
1617 | c1 = (uchar*)f1->dirname; |
1618 | c2 = (uchar*)f2->dirname; | |
1619 | if (c1 == c2) | |
1620 | c1 = c2 = NULL; | |
1621 | if (!c1) { | |
f5db0993 | 1622 | type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM; |
e90b8ace | 1623 | c1 = (uchar*)f1->basename; |
f5db0993 WD |
1624 | if (type1 == t_PATH && *c1 == '.' && !c1[1]) { |
1625 | type1 = t_ITEM; | |
1626 | state1 = s_TRAILING; | |
1627 | c1 = (uchar*)""; | |
1628 | } else | |
1629 | state1 = s_BASE; | |
080ddf58 | 1630 | } else if (!*c1) { |
f5db0993 | 1631 | type1 = t_path; |
8824e2ce | 1632 | state1 = s_SLASH; |
080ddf58 | 1633 | c1 = (uchar*)"/"; |
f5db0993 WD |
1634 | } else { |
1635 | type1 = t_path; | |
8824e2ce | 1636 | state1 = s_DIR; |
f5db0993 | 1637 | } |
14698a3a | 1638 | if (!c2) { |
f5db0993 | 1639 | type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM; |
e90b8ace | 1640 | c2 = (uchar*)f2->basename; |
f5db0993 WD |
1641 | if (type2 == t_PATH && *c2 == '.' && !c2[1]) { |
1642 | type2 = t_ITEM; | |
1643 | state2 = s_TRAILING; | |
1644 | c2 = (uchar*)""; | |
1645 | } else | |
1646 | state2 = s_BASE; | |
080ddf58 | 1647 | } else if (!*c2) { |
f5db0993 | 1648 | type2 = t_path; |
8824e2ce | 1649 | state2 = s_SLASH; |
080ddf58 | 1650 | c2 = (uchar*)"/"; |
f5db0993 WD |
1651 | } else { |
1652 | type2 = t_path; | |
8824e2ce | 1653 | state2 = s_DIR; |
f5db0993 WD |
1654 | } |
1655 | ||
1656 | if (type1 != type2) | |
1657 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 WD |
1658 | |
1659 | while (1) { | |
f5db0993 | 1660 | if ((dif = (int)*c1++ - (int)*c2++) != 0) |
8018edd3 | 1661 | break; |
f5db0993 | 1662 | if (!*c1) { |
8018edd3 | 1663 | switch (state1) { |
8824e2ce WD |
1664 | case s_DIR: |
1665 | state1 = s_SLASH; | |
e90b8ace | 1666 | c1 = (uchar*)"/"; |
8018edd3 | 1667 | break; |
8824e2ce | 1668 | case s_SLASH: |
f5db0993 | 1669 | type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM; |
8824e2ce | 1670 | state1 = s_BASE; |
e90b8ace | 1671 | c1 = (uchar*)f1->basename; |
8018edd3 | 1672 | break; |
8824e2ce WD |
1673 | case s_BASE: |
1674 | state1 = s_TRAILING; | |
f5db0993 | 1675 | if (type1 == t_PATH) { |
2f3cad89 | 1676 | c1 = (uchar*)"/"; |
f5db0993 WD |
1677 | break; |
1678 | } | |
1679 | /* FALL THROUGH */ | |
8824e2ce | 1680 | case s_TRAILING: |
f5db0993 | 1681 | type1 = t_ITEM; |
8018edd3 WD |
1682 | break; |
1683 | } | |
f5db0993 WD |
1684 | if (*c2 && type1 != type2) |
1685 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 | 1686 | } |
f5db0993 | 1687 | if (!*c2) { |
8018edd3 | 1688 | switch (state2) { |
8824e2ce WD |
1689 | case s_DIR: |
1690 | state2 = s_SLASH; | |
e90b8ace | 1691 | c2 = (uchar*)"/"; |
8018edd3 | 1692 | break; |
8824e2ce | 1693 | case s_SLASH: |
f5db0993 | 1694 | type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM; |
8824e2ce | 1695 | state2 = s_BASE; |
e90b8ace | 1696 | c2 = (uchar*)f2->basename; |
8018edd3 | 1697 | break; |
8824e2ce | 1698 | case s_BASE: |
8824e2ce | 1699 | state2 = s_TRAILING; |
f5db0993 | 1700 | if (type2 == t_PATH) { |
2f3cad89 | 1701 | c2 = (uchar*)"/"; |
f5db0993 WD |
1702 | break; |
1703 | } | |
1704 | /* FALL THROUGH */ | |
8824e2ce | 1705 | case s_TRAILING: |
f5db0993 WD |
1706 | if (!*c1) |
1707 | return 0; | |
1708 | type2 = t_ITEM; | |
8018edd3 WD |
1709 | break; |
1710 | } | |
f5db0993 WD |
1711 | if (type1 != type2) |
1712 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 WD |
1713 | } |
1714 | } | |
1715 | ||
1716 | return dif; | |
1717 | } | |
1718 | ||
3ec4dd97 | 1719 | |
8018edd3 | 1720 | /* Return a copy of the full filename of a flist entry, using the indicated |
882e6893 WD |
1721 | * buffer. No size-checking is done because we checked the size when creating |
1722 | * the file_struct entry. | |
8018edd3 | 1723 | */ |
882e6893 | 1724 | char *f_name_to(struct file_struct *f, char *fbuf) |
8018edd3 | 1725 | { |
ebed4c3a MP |
1726 | if (!f || !f->basename) |
1727 | return NULL; | |
3ec4dd97 | 1728 | |
3ec4dd97 | 1729 | if (f->dirname) { |
882e6893 WD |
1730 | int len = strlen(f->dirname); |
1731 | memcpy(fbuf, f->dirname, len); | |
1732 | fbuf[len] = '/'; | |
1733 | strcpy(fbuf + len + 1, f->basename); | |
8018edd3 | 1734 | } else |
882e6893 | 1735 | strcpy(fbuf, f->basename); |
b7736c79 | 1736 | return fbuf; |
8018edd3 | 1737 | } |
e03dfae5 | 1738 | |
3ec4dd97 | 1739 | |
45478cc7 | 1740 | /* Like f_name_to(), but we rotate through 5 static buffers of our own. */ |
8018edd3 WD |
1741 | char *f_name(struct file_struct *f) |
1742 | { | |
1743 | static char names[5][MAXPATHLEN]; | |
1744 | static unsigned int n; | |
1745 | ||
1746 | n = (n + 1) % (sizeof names / sizeof names[0]); | |
1747 | ||
882e6893 | 1748 | return f_name_to(f, names[n]); |
c627d613 | 1749 | } |
649f8742 | 1750 | |
45478cc7 | 1751 | |
32cbfe7b WD |
1752 | /* Do a non-recursive scan of the named directory, possibly ignoring all |
1753 | * exclude rules except for the daemon's. If "dlen" is >=0, it is the length | |
1754 | * of the dirname string, and also indicates that "dirname" is a MAXPATHLEN | |
1755 | * buffer (the functions we call will append names onto the end, but the old | |
1756 | * dir value will be restored on exit). */ | |
1757 | struct file_list *get_dirlist(char *dirname, int dlen, | |
1758 | int ignore_filter_rules) | |
37802f40 WD |
1759 | { |
1760 | struct file_list *dirlist; | |
1761 | char dirbuf[MAXPATHLEN]; | |
37802f40 WD |
1762 | int save_recurse = recurse; |
1763 | ||
32cbfe7b WD |
1764 | if (dlen < 0) { |
1765 | dlen = strlcpy(dirbuf, dirname, MAXPATHLEN); | |
1766 | if (dlen >= MAXPATHLEN) | |
1767 | return NULL; | |
1768 | dirname = dirbuf; | |
1769 | } | |
37802f40 WD |
1770 | |
1771 | dirlist = flist_new(WITHOUT_HLINK, "get_dirlist"); | |
32cbfe7b | 1772 | |
37802f40 | 1773 | recurse = 0; |
32cbfe7b | 1774 | send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen); |
37802f40 | 1775 | recurse = save_recurse; |
53135fe8 WD |
1776 | if (do_progress) |
1777 | flist_count_offset += dirlist->count; | |
37802f40 | 1778 | |
564ef546 WD |
1779 | clean_flist(dirlist, 0, 0); |
1780 | ||
45478cc7 | 1781 | if (verbose > 3) |
32cbfe7b | 1782 | output_flist(dirlist); |
45478cc7 | 1783 | |
32cbfe7b | 1784 | return dirlist; |
45478cc7 | 1785 | } |