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 { | |
0a982011 | 417 | if (!(flags & 0xFF)) |
75c51953 | 418 | flags |= S_ISDIR(mode) ? XMIT_LONG_NAME : XMIT_TOP_DIR; |
75bc8600 WD |
419 | write_byte(f, flags); |
420 | } | |
d01d15e0 | 421 | if (flags & XMIT_SAME_NAME) |
ebed4c3a | 422 | write_byte(f, l1); |
d01d15e0 | 423 | if (flags & XMIT_LONG_NAME) |
ebed4c3a | 424 | write_int(f, l2); |
72914a60 | 425 | else |
ebed4c3a MP |
426 | write_byte(f, l2); |
427 | write_buf(f, fname + l1, l2); | |
72914a60 | 428 | |
ebed4c3a | 429 | write_longint(f, file->length); |
d01d15e0 | 430 | if (!(flags & XMIT_SAME_TIME)) |
30f337c9 | 431 | write_int(f, modtime); |
d01d15e0 | 432 | if (!(flags & XMIT_SAME_MODE)) |
30f337c9 | 433 | write_int(f, to_wire_mode(mode)); |
d01d15e0 | 434 | if (preserve_uid && !(flags & XMIT_SAME_UID)) { |
9f7b8c3b WD |
435 | if (!numeric_ids) |
436 | add_uid(uid); | |
30f337c9 | 437 | write_int(f, uid); |
72914a60 | 438 | } |
d01d15e0 | 439 | if (preserve_gid && !(flags & XMIT_SAME_GID)) { |
9f7b8c3b WD |
440 | if (!numeric_ids) |
441 | add_gid(gid); | |
30f337c9 | 442 | write_int(f, gid); |
72914a60 | 443 | } |
30f337c9 | 444 | if (preserve_devices && IS_DEVICE(mode)) { |
9c5e91f8 WD |
445 | if (protocol_version < 28) { |
446 | if (!(flags & XMIT_SAME_RDEV_pre28)) | |
447 | write_int(f, (int)rdev); | |
448 | } else { | |
449 | if (!(flags & XMIT_SAME_RDEV_MAJOR)) | |
450 | write_int(f, major(rdev)); | |
451 | if (flags & XMIT_RDEV_MINOR_IS_SMALL) | |
452 | write_byte(f, minor(rdev)); | |
453 | else | |
454 | write_int(f, minor(rdev)); | |
455 | } | |
75bc8600 | 456 | } |
c627d613 | 457 | |
4f5b0756 | 458 | #ifdef SUPPORT_LINKS |
30f337c9 | 459 | if (preserve_links && S_ISLNK(mode)) { |
306ffb8c WD |
460 | int len = strlen(file->u.link); |
461 | write_int(f, len); | |
462 | write_buf(f, file->u.link, len); | |
72914a60 | 463 | } |
c627d613 AT |
464 | #endif |
465 | ||
4f5b0756 | 466 | #ifdef SUPPORT_HARD_LINKS |
d01d15e0 | 467 | if (flags & XMIT_HAS_IDEV_DATA) { |
4124540d | 468 | if (protocol_version < 26) { |
736a6a29 | 469 | /* 32-bit dev_t and ino_t */ |
30f337c9 | 470 | write_int(f, dev); |
92cc9dd7 | 471 | write_int(f, file->F_INODE); |
736a6a29 MP |
472 | } else { |
473 | /* 64-bit dev_t and ino_t */ | |
4124540d WD |
474 | if (!(flags & XMIT_SAME_DEV)) |
475 | write_longint(f, dev); | |
92cc9dd7 | 476 | write_longint(f, file->F_INODE); |
736a6a29 | 477 | } |
72914a60 | 478 | } |
dc5ddbcc AT |
479 | #endif |
480 | ||
9a4a237e | 481 | if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) { |
728d0922 | 482 | char *sum; |
9a4a237e | 483 | int slen = protocol_version < 21 ? 2 : MD4_SUM_LENGTH; |
728d0922 WD |
484 | if (S_ISREG(mode)) |
485 | sum = file->u.sum; | |
9a4a237e | 486 | else { |
728d0922 WD |
487 | /* Prior to 28, we sent a useless set of nulls. */ |
488 | sum = empty_sum; | |
728d0922 | 489 | } |
9a4a237e | 490 | write_buf(f, sum, slen); |
ebed4c3a | 491 | } |
182dca5c | 492 | |
ebed4c3a | 493 | strlcpy(lastname, fname, MAXPATHLEN); |
eca2adb4 MP |
494 | |
495 | io_write_phase = "unknown"; | |
182dca5c AT |
496 | } |
497 | ||
498 | ||
499 | ||
f5db0993 WD |
500 | static struct file_struct *receive_file_entry(struct file_list *flist, |
501 | unsigned short flags, int f) | |
182dca5c | 502 | { |
5911fee5 WD |
503 | static time_t modtime; |
504 | static mode_t mode; | |
1490812a | 505 | static int64 dev; |
4124540d | 506 | static dev_t rdev; |
9c5e91f8 | 507 | static uint32 rdev_major; |
5911fee5 WD |
508 | static uid_t uid; |
509 | static gid_t gid; | |
a289addd | 510 | static char lastname[MAXPATHLEN], *lastdir; |
33ffd7c3 | 511 | static int lastdir_depth, lastdir_len = -1; |
42f23f47 | 512 | static unsigned int del_hier_name_len = 0; |
649f8742 | 513 | static int in_del_hier = 0; |
72914a60 | 514 | char thisname[MAXPATHLEN]; |
ebed4c3a | 515 | unsigned int l1 = 0, l2 = 0; |
a1d55ad0 | 516 | int alloc_len, basename_len, dirname_len, linkname_len, sum_len; |
a289addd WD |
517 | OFF_T file_length; |
518 | char *basename, *dirname, *bp; | |
72914a60 AT |
519 | struct file_struct *file; |
520 | ||
f3c3ed44 | 521 | if (!flist) { |
5911fee5 | 522 | modtime = 0, mode = 0; |
4124540d | 523 | dev = 0, rdev = makedev(0, 0); |
9c5e91f8 | 524 | rdev_major = 0; |
5911fee5 WD |
525 | uid = 0, gid = 0; |
526 | *lastname = '\0'; | |
3db859e8 | 527 | lastdir_len = -1; |
649f8742 | 528 | in_del_hier = 0; |
f5db0993 | 529 | return NULL; |
5911fee5 WD |
530 | } |
531 | ||
d01d15e0 | 532 | if (flags & XMIT_SAME_NAME) |
72914a60 | 533 | l1 = read_byte(f); |
ebed4c3a | 534 | |
d01d15e0 | 535 | if (flags & XMIT_LONG_NAME) |
72914a60 AT |
536 | l2 = read_int(f); |
537 | else | |
538 | l2 = read_byte(f); | |
539 | ||
ebed4c3a MP |
540 | if (l2 >= MAXPATHLEN - l1) { |
541 | rprintf(FERROR, | |
542 | "overflow: flags=0x%x l1=%d l2=%d lastname=%s\n", | |
71903f60 | 543 | flags, l1, l2, safe_fname(lastname)); |
a1f99493 | 544 | overflow_exit("receive_file_entry"); |
d0fd26aa | 545 | } |
72914a60 | 546 | |
ebed4c3a MP |
547 | strlcpy(thisname, lastname, l1 + 1); |
548 | read_sbuf(f, &thisname[l1], l2); | |
549 | thisname[l1 + l2] = 0; | |
72914a60 | 550 | |
ebed4c3a | 551 | strlcpy(lastname, thisname, MAXPATHLEN); |
72914a60 | 552 | |
58b1999e | 553 | clean_fname(thisname, 0); |
72914a60 | 554 | |
0d162bd1 | 555 | if (sanitize_paths) |
33ffd7c3 | 556 | sanitize_path(thisname, thisname, "", 0); |
cb13abfe | 557 | |
a289addd WD |
558 | if ((basename = strrchr(thisname, '/')) != NULL) { |
559 | dirname_len = ++basename - thisname; /* counts future '\0' */ | |
560 | if (lastdir_len == dirname_len - 1 | |
561 | && strncmp(thisname, lastdir, lastdir_len) == 0) { | |
562 | dirname = lastdir; | |
563 | dirname_len = 0; /* indicates no copy is needed */ | |
564 | } else | |
565 | dirname = thisname; | |
72914a60 | 566 | } else { |
a289addd WD |
567 | basename = thisname; |
568 | dirname = NULL; | |
569 | dirname_len = 0; | |
72914a60 | 570 | } |
a289addd | 571 | basename_len = strlen(basename) + 1; /* count the '\0' */ |
72914a60 | 572 | |
a289addd | 573 | file_length = read_longint(f); |
d01d15e0 | 574 | if (!(flags & XMIT_SAME_TIME)) |
30f337c9 | 575 | modtime = (time_t)read_int(f); |
d01d15e0 | 576 | if (!(flags & XMIT_SAME_MODE)) |
30f337c9 | 577 | mode = from_wire_mode(read_int(f)); |
1ef00d20 | 578 | |
a289addd WD |
579 | if (preserve_uid && !(flags & XMIT_SAME_UID)) |
580 | uid = (uid_t)read_int(f); | |
581 | if (preserve_gid && !(flags & XMIT_SAME_GID)) | |
582 | gid = (gid_t)read_int(f); | |
583 | ||
1ef00d20 | 584 | if (preserve_devices) { |
75bc8600 | 585 | if (protocol_version < 28) { |
30f337c9 | 586 | if (IS_DEVICE(mode)) { |
d01d15e0 | 587 | if (!(flags & XMIT_SAME_RDEV_pre28)) |
9c5e91f8 | 588 | rdev = (dev_t)read_int(f); |
75bc8600 | 589 | } else |
9c5e91f8 | 590 | rdev = makedev(0, 0); |
30f337c9 | 591 | } else if (IS_DEVICE(mode)) { |
9c5e91f8 WD |
592 | uint32 rdev_minor; |
593 | if (!(flags & XMIT_SAME_RDEV_MAJOR)) | |
594 | rdev_major = read_int(f); | |
595 | if (flags & XMIT_RDEV_MINOR_IS_SMALL) | |
596 | rdev_minor = read_byte(f); | |
597 | else | |
598 | rdev_minor = read_int(f); | |
599 | rdev = makedev(rdev_major, rdev_minor); | |
1ef00d20 | 600 | } |
b7736c79 | 601 | } |
72914a60 | 602 | |
4f5b0756 | 603 | #ifdef SUPPORT_LINKS |
30f337c9 | 604 | if (preserve_links && S_ISLNK(mode)) { |
a289addd WD |
605 | linkname_len = read_int(f) + 1; /* count the '\0' */ |
606 | if (linkname_len <= 0 || linkname_len > MAXPATHLEN) { | |
607 | rprintf(FERROR, "overflow: linkname_len=%d\n", | |
608 | linkname_len - 1); | |
a1f99493 | 609 | overflow_exit("receive_file_entry"); |
9dd891bb | 610 | } |
72914a60 | 611 | } |
a289addd | 612 | else |
0d162bd1 | 613 | #endif |
a289addd | 614 | linkname_len = 0; |
0d162bd1 | 615 | |
a289addd WD |
616 | sum_len = always_checksum && S_ISREG(mode) ? MD4_SUM_LENGTH : 0; |
617 | ||
61dec11a | 618 | alloc_len = file_struct_len + dirname_len + basename_len |
9935066b S |
619 | + linkname_len + sum_len; |
620 | bp = pool_alloc(flist->file_pool, alloc_len, "receive_file_entry"); | |
621 | ||
f5db0993 | 622 | file = (struct file_struct *)bp; |
9935066b | 623 | memset(bp, 0, file_struct_len); |
61dec11a | 624 | bp += file_struct_len; |
a289addd | 625 | |
649f8742 | 626 | file->flags = 0; |
a289addd WD |
627 | file->modtime = modtime; |
628 | file->length = file_length; | |
629 | file->mode = mode; | |
630 | file->uid = uid; | |
631 | file->gid = gid; | |
632 | ||
f3c3ed44 WD |
633 | if (dirname_len) { |
634 | file->dirname = lastdir = bp; | |
635 | lastdir_len = dirname_len - 1; | |
636 | memcpy(bp, dirname, dirname_len - 1); | |
637 | bp += dirname_len; | |
638 | bp[-1] = '\0'; | |
639 | lastdir_depth = count_dir_elements(lastdir); | |
640 | file->dir.depth = lastdir_depth + 1; | |
641 | } else if (dirname) { | |
642 | file->dirname = dirname; /* we're reusing lastname */ | |
643 | file->dir.depth = lastdir_depth + 1; | |
644 | } else | |
645 | file->dir.depth = 1; | |
646 | ||
649f8742 | 647 | if (S_ISDIR(mode)) { |
ee3751c8 | 648 | if (basename_len == 1+1 && *basename == '.') /* +1 for '\0' */ |
f3c3ed44 | 649 | file->dir.depth--; |
ee3751c8 | 650 | if (flags & XMIT_TOP_DIR) { |
75c51953 | 651 | in_del_hier = recurse; |
f3c3ed44 | 652 | del_hier_name_len = file->dir.depth == 0 ? 0 : l1 + l2; |
7a16e122 WD |
653 | if (relative_paths && del_hier_name_len > 2 |
654 | && basename_len == 1+1 && *basename == '.') | |
655 | del_hier_name_len -= 2; | |
ee3751c8 WD |
656 | file->flags |= FLAG_TOP_DIR | FLAG_DEL_HERE; |
657 | } else if (in_del_hier) { | |
f3c3ed44 WD |
658 | if (!relative_paths || !del_hier_name_len |
659 | || (l1 >= del_hier_name_len | |
660 | && thisname[del_hier_name_len] == '/')) | |
ee3751c8 | 661 | file->flags |= FLAG_DEL_HERE; |
649f8742 WD |
662 | else |
663 | in_del_hier = 0; | |
664 | } | |
665 | } | |
666 | ||
a289addd WD |
667 | file->basename = bp; |
668 | memcpy(bp, basename, basename_len); | |
669 | bp += basename_len; | |
670 | ||
671 | if (preserve_devices && IS_DEVICE(mode)) | |
672 | file->u.rdev = rdev; | |
673 | ||
4f5b0756 | 674 | #ifdef SUPPORT_LINKS |
a289addd WD |
675 | if (linkname_len) { |
676 | file->u.link = bp; | |
677 | read_sbuf(f, bp, linkname_len - 1); | |
678 | if (sanitize_paths) | |
33ffd7c3 | 679 | sanitize_path(bp, bp, "", lastdir_depth); |
a289addd WD |
680 | bp += linkname_len; |
681 | } | |
682 | #endif | |
683 | ||
4f5b0756 | 684 | #ifdef SUPPORT_HARD_LINKS |
9935066b S |
685 | if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode)) |
686 | flags |= XMIT_HAS_IDEV_DATA; | |
97a67bdf | 687 | if (flags & XMIT_HAS_IDEV_DATA) { |
1490812a | 688 | int64 inode; |
4124540d WD |
689 | if (protocol_version < 26) { |
690 | dev = read_int(f); | |
9935066b | 691 | inode = read_int(f); |
736a6a29 | 692 | } else { |
4124540d WD |
693 | if (!(flags & XMIT_SAME_DEV)) |
694 | dev = read_longint(f); | |
9935066b S |
695 | inode = read_longint(f); |
696 | } | |
697 | if (flist->hlink_pool) { | |
5bf63a11 S |
698 | file->link_u.idev = pool_talloc(flist->hlink_pool, |
699 | struct idev, 1, "inode_table"); | |
9935066b S |
700 | file->F_INODE = inode; |
701 | file->F_DEV = dev; | |
736a6a29 | 702 | } |
72914a60 | 703 | } |
dc5ddbcc | 704 | #endif |
ebed4c3a | 705 | |
9a4a237e | 706 | if (always_checksum && (sum_len || protocol_version < 28)) { |
7c4f063b | 707 | char *sum; |
9a4a237e | 708 | int slen = protocol_version < 21 ? 2 : MD4_SUM_LENGTH; |
a289addd WD |
709 | if (sum_len) { |
710 | file->u.sum = sum = bp; | |
711 | /*bp += sum_len;*/ | |
9a4a237e | 712 | } else { |
fea4db62 | 713 | /* Prior to 28, we get a useless set of nulls. */ |
7c4f063b | 714 | sum = empty_sum; |
fea4db62 | 715 | } |
9a4a237e | 716 | read_buf(f, sum, slen); |
72914a60 | 717 | } |
ebed4c3a | 718 | |
72914a60 | 719 | if (!preserve_perms) { |
72914a60 | 720 | /* set an appropriate set of permissions based on original |
fea4db62 | 721 | * permissions and umask. This emulates what GNU cp does */ |
72914a60 AT |
722 | file->mode &= ~orig_umask; |
723 | } | |
f5db0993 WD |
724 | |
725 | return file; | |
c627d613 AT |
726 | } |
727 | ||
728 | ||
db719fb0 MP |
729 | /** |
730 | * Create a file_struct for a named file by reading its stat() | |
731 | * information and performing extensive checks against global | |
732 | * options. | |
733 | * | |
734 | * @return the new file, or NULL if there was an error or this file | |
735 | * should be excluded. | |
736 | * | |
737 | * @todo There is a small optimization opportunity here to avoid | |
738 | * stat()ing the file in some circumstances, which has a certain cost. | |
739 | * We are called immediately after doing readdir(), and so we may | |
740 | * already know the d_type of the file. We could for example avoid | |
741 | * statting directories if we're not recursing, but this is not a very | |
742 | * important case. Some systems may not have d_type. | |
743 | **/ | |
314f4591 | 744 | struct file_struct *make_file(char *fname, struct file_list *flist, |
7842418b | 745 | int filter_level) |
c627d613 | 746 | { |
a289addd WD |
747 | static char *lastdir; |
748 | static int lastdir_len = -1; | |
3ec4dd97 | 749 | struct file_struct *file; |
bcacc18b | 750 | STRUCT_STAT st; |
3ec4dd97 | 751 | char sum[SUM_LENGTH]; |
1923b1fc | 752 | char thisname[MAXPATHLEN]; |
e0870f1d | 753 | char linkname[MAXPATHLEN]; |
a1d55ad0 | 754 | int alloc_len, basename_len, dirname_len, linkname_len, sum_len; |
a289addd | 755 | char *basename, *dirname, *bp; |
4844449a | 756 | unsigned short flags = 0; |
3ec4dd97 | 757 | |
d508258a | 758 | if (!flist || !flist->count) /* Ignore lastdir when invalid. */ |
7de2483f | 759 | lastdir_len = -1; |
9935066b | 760 | |
1923b1fc WD |
761 | if (strlcpy(thisname, fname, sizeof thisname) |
762 | >= sizeof thisname - flist_dir_len) { | |
71903f60 WD |
763 | rprintf(FINFO, "skipping overly long name: %s\n", |
764 | safe_fname(fname)); | |
882e6893 WD |
765 | return NULL; |
766 | } | |
58b1999e | 767 | clean_fname(thisname, 0); |
b7736c79 | 768 | if (sanitize_paths) |
33ffd7c3 | 769 | sanitize_path(thisname, thisname, "", 0); |
3ec4dd97 | 770 | |
ebed4c3a | 771 | memset(sum, 0, SUM_LENGTH); |
3ec4dd97 | 772 | |
e0870f1d | 773 | if (readlink_stat(thisname, &st, linkname) != 0) { |
76e26e10 | 774 | int save_errno = errno; |
a4a7e64c | 775 | /* See if file is excluded before reporting an error. */ |
7842418b WD |
776 | if (filter_level != NO_FILTERS |
777 | && is_excluded(thisname, 0, filter_level)) | |
a4a7e64c WD |
778 | return NULL; |
779 | if (save_errno == ENOENT) { | |
4f5b0756 | 780 | #ifdef SUPPORT_LINKS |
a4a7e64c WD |
781 | /* Avoid "vanished" error if symlink points nowhere. */ |
782 | if (copy_links && do_lstat(thisname, &st) == 0 | |
783 | && S_ISLNK(st.st_mode)) { | |
784 | io_error |= IOERR_GENERAL; | |
785 | rprintf(FERROR, "symlink has no referent: %s\n", | |
786 | full_fname(thisname)); | |
e5ce3bcf WD |
787 | } else |
788 | #endif | |
789 | { | |
a4a7e64c WD |
790 | enum logcode c = am_daemon && protocol_version < 28 |
791 | ? FERROR : FINFO; | |
792 | io_error |= IOERR_VANISHED; | |
793 | rprintf(c, "file has vanished: %s\n", | |
794 | full_fname(thisname)); | |
76e26e10 | 795 | } |
a4a7e64c | 796 | } else { |
a8726d2a | 797 | io_error |= IOERR_GENERAL; |
d62bcc17 WD |
798 | rsyserr(FERROR, save_errno, "readlink %s failed", |
799 | full_fname(thisname)); | |
76e26e10 | 800 | } |
3ec4dd97 AT |
801 | return NULL; |
802 | } | |
c627d613 | 803 | |
7842418b WD |
804 | /* backup.c calls us with filter_level set to NO_FILTERS. */ |
805 | if (filter_level == NO_FILTERS) | |
806 | goto skip_filters; | |
ac1a0994 | 807 | |
7e037c42 | 808 | if (S_ISDIR(st.st_mode) && !xfer_dirs) { |
71903f60 | 809 | rprintf(FINFO, "skipping directory %s\n", safe_fname(thisname)); |
3ec4dd97 AT |
810 | return NULL; |
811 | } | |
ebed4c3a | 812 | |
e90cdb8a WD |
813 | /* We only care about directories because we need to avoid recursing |
814 | * into a mount-point directory, not to avoid copying a symlinked | |
815 | * file if -L (or similar) was specified. */ | |
816 | if (one_file_system && st.st_dev != filesystem_dev | |
817 | && S_ISDIR(st.st_mode)) | |
4844449a | 818 | flags |= FLAG_MOUNT_POINT; |
ebed4c3a | 819 | |
7842418b | 820 | if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) |
76e26e10 DD |
821 | return NULL; |
822 | ||
132fcf36 | 823 | if (lp_ignore_nonreadable(module_id)) { |
4f5b0756 | 824 | #ifdef SUPPORT_LINKS |
132fcf36 WD |
825 | if (!S_ISLNK(st.st_mode)) |
826 | #endif | |
827 | if (access(thisname, R_OK) != 0) | |
828 | return NULL; | |
829 | } | |
ac1a0994 | 830 | |
7842418b | 831 | skip_filters: |
ac1a0994 | 832 | |
ea847c62 WD |
833 | if (verbose > 2) { |
834 | rprintf(FINFO, "[%s] make_file(%s,*,%d)\n", | |
71903f60 | 835 | who_am_i(), safe_fname(thisname), filter_level); |
ea847c62 | 836 | } |
ebed4c3a | 837 | |
a289addd WD |
838 | if ((basename = strrchr(thisname, '/')) != NULL) { |
839 | dirname_len = ++basename - thisname; /* counts future '\0' */ | |
840 | if (lastdir_len == dirname_len - 1 | |
841 | && strncmp(thisname, lastdir, lastdir_len) == 0) { | |
842 | dirname = lastdir; | |
843 | dirname_len = 0; /* indicates no copy is needed */ | |
844 | } else | |
845 | dirname = thisname; | |
3ec4dd97 | 846 | } else { |
a289addd WD |
847 | basename = thisname; |
848 | dirname = NULL; | |
849 | dirname_len = 0; | |
3ec4dd97 | 850 | } |
a289addd | 851 | basename_len = strlen(basename) + 1; /* count the '\0' */ |
c627d613 | 852 | |
4f5b0756 | 853 | #ifdef SUPPORT_LINKS |
a289addd WD |
854 | linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0; |
855 | #else | |
856 | linkname_len = 0; | |
857 | #endif | |
858 | ||
a289addd WD |
859 | sum_len = always_checksum && S_ISREG(st.st_mode) ? MD4_SUM_LENGTH : 0; |
860 | ||
61dec11a | 861 | alloc_len = file_struct_len + dirname_len + basename_len |
9935066b S |
862 | + linkname_len + sum_len; |
863 | if (flist) { | |
864 | bp = pool_alloc(flist->file_pool, alloc_len, | |
865 | "receive_file_entry"); | |
866 | } else { | |
867 | if (!(bp = new_array(char, alloc_len))) | |
868 | out_of_memory("receive_file_entry"); | |
869 | } | |
870 | ||
a289addd | 871 | file = (struct file_struct *)bp; |
9935066b | 872 | memset(bp, 0, file_struct_len); |
61dec11a | 873 | bp += file_struct_len; |
a289addd WD |
874 | |
875 | file->flags = flags; | |
3ec4dd97 AT |
876 | file->modtime = st.st_mtime; |
877 | file->length = st.st_size; | |
878 | file->mode = st.st_mode; | |
879 | file->uid = st.st_uid; | |
880 | file->gid = st.st_gid; | |
0d162bd1 | 881 | |
4f5b0756 | 882 | #ifdef SUPPORT_HARD_LINKS |
9935066b S |
883 | if (flist && flist->hlink_pool) { |
884 | if (protocol_version < 28) { | |
885 | if (S_ISREG(st.st_mode)) | |
886 | file->link_u.idev = pool_talloc( | |
887 | flist->hlink_pool, struct idev, 1, | |
888 | "inode_table"); | |
889 | } else { | |
890 | if (!S_ISDIR(st.st_mode) && st.st_nlink > 1) | |
891 | file->link_u.idev = pool_talloc( | |
892 | flist->hlink_pool, struct idev, 1, | |
893 | "inode_table"); | |
894 | } | |
895 | } | |
896 | if (file->link_u.idev) { | |
61dec11a WD |
897 | file->F_DEV = st.st_dev; |
898 | file->F_INODE = st.st_ino; | |
899 | } | |
900 | #endif | |
901 | ||
a289addd WD |
902 | if (dirname_len) { |
903 | file->dirname = lastdir = bp; | |
904 | lastdir_len = dirname_len - 1; | |
905 | memcpy(bp, dirname, dirname_len - 1); | |
906 | bp += dirname_len; | |
907 | bp[-1] = '\0'; | |
908 | } else if (dirname) | |
909 | file->dirname = dirname; | |
910 | ||
911 | file->basename = bp; | |
912 | memcpy(bp, basename, basename_len); | |
913 | bp += basename_len; | |
914 | ||
4f5b0756 | 915 | #ifdef HAVE_STRUCT_STAT_ST_RDEV |
0d162bd1 WD |
916 | if (preserve_devices && IS_DEVICE(st.st_mode)) |
917 | file->u.rdev = st.st_rdev; | |
918 | #endif | |
919 | ||
4f5b0756 | 920 | #ifdef SUPPORT_LINKS |
a289addd WD |
921 | if (linkname_len) { |
922 | file->u.link = bp; | |
923 | memcpy(bp, linkname, linkname_len); | |
924 | bp += linkname_len; | |
925 | } | |
0d162bd1 WD |
926 | #endif |
927 | ||
a289addd WD |
928 | if (sum_len) { |
929 | file->u.sum = bp; | |
930 | file_checksum(thisname, bp, st.st_size); | |
931 | /*bp += sum_len;*/ | |
ebed4c3a | 932 | } |
c627d613 | 933 | |
f3c3ed44 | 934 | file->dir.root = flist_dir; |
c627d613 | 935 | |
23f4587f WD |
936 | /* This code is only used by the receiver when it is building |
937 | * a list of files for a delete pass. */ | |
938 | if (keep_dirlinks && linkname_len && flist) { | |
939 | STRUCT_STAT st2; | |
f5db0993 WD |
940 | int save_mode = file->mode; |
941 | file->mode = S_IFDIR; /* find a directory w/our name */ | |
d64e6f42 | 942 | if (flist_find(the_file_list, file) >= 0 |
23f4587f WD |
943 | && do_stat(thisname, &st2) == 0 && S_ISDIR(st2.st_mode)) { |
944 | file->modtime = st2.st_mtime; | |
945 | file->length = st2.st_size; | |
946 | file->mode = st2.st_mode; | |
947 | file->uid = st2.st_uid; | |
948 | file->gid = st2.st_gid; | |
949 | file->u.link = NULL; | |
f5db0993 WD |
950 | } else |
951 | file->mode = save_mode; | |
23f4587f WD |
952 | } |
953 | ||
d17190df | 954 | if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) |
a800434a | 955 | stats.total_size += st.st_size; |
c627d613 | 956 | |
3ec4dd97 | 957 | return file; |
c627d613 AT |
958 | } |
959 | ||
960 | ||
301fb56c WD |
961 | static struct file_struct *send_file_name(int f, struct file_list *flist, |
962 | char *fname, unsigned short base_flags) | |
c627d613 | 963 | { |
ebed4c3a MP |
964 | struct file_struct *file; |
965 | ||
37802f40 WD |
966 | file = make_file(fname, flist, f == -2 ? SERVER_FILTERS : ALL_FILTERS); |
967 | if (!file) | |
301fb56c | 968 | return NULL; |
ebed4c3a | 969 | |
53135fe8 | 970 | maybe_emit_filelist_progress(flist->count + flist_count_offset); |
ebed4c3a | 971 | |
d9d6bc52 | 972 | flist_expand(flist); |
ebed4c3a | 973 | |
c120ff37 | 974 | if (file->basename[0]) { |
ebed4c3a MP |
975 | flist->files[flist->count++] = file; |
976 | send_file_entry(file, f, base_flags); | |
977 | } | |
301fb56c WD |
978 | return file; |
979 | } | |
ebed4c3a | 980 | |
301fb56c WD |
981 | static void send_if_directory(int f, struct file_list *flist, |
982 | struct file_struct *file) | |
983 | { | |
984 | char fbuf[MAXPATHLEN]; | |
985 | ||
986 | if (S_ISDIR(file->mode) | |
f1773e09 WD |
987 | && !(file->flags & FLAG_MOUNT_POINT) && f_name_to(file, fbuf)) { |
988 | void *save_filters; | |
989 | unsigned int len = strlen(fbuf); | |
990 | if (len > 1 && fbuf[len-1] == '/') | |
991 | fbuf[--len] = '\0'; | |
992 | if (len >= MAXPATHLEN - 1) { | |
993 | io_error |= IOERR_GENERAL; | |
994 | rprintf(FERROR, "skipping long-named directory: %s\n", | |
995 | full_fname(fbuf)); | |
996 | return; | |
997 | } | |
998 | save_filters = push_local_filters(fbuf, len); | |
999 | send_directory(f, flist, fbuf, len); | |
1000 | pop_local_filters(save_filters); | |
ebed4c3a | 1001 | } |
c627d613 AT |
1002 | } |
1003 | ||
1004 | ||
301fb56c | 1005 | /* This function is normally called by the sender, but the receiving side also |
7b558d7f | 1006 | * calls it from get_dirlist() with f set to -1 so that we just construct the |
301fb56c WD |
1007 | * file list in memory without sending it over the wire. Also, get_dirlist() |
1008 | * might call this with f set to -2, which also indicates that local filter | |
1009 | * rules should be ignored. */ | |
f1773e09 | 1010 | static void send_directory(int f, struct file_list *flist, |
32cbfe7b | 1011 | char *fbuf, int len) |
c627d613 | 1012 | { |
3ec4dd97 | 1013 | struct dirent *di; |
32cbfe7b | 1014 | unsigned remainder; |
3ec4dd97 | 1015 | char *p; |
f1773e09 | 1016 | DIR *d; |
301fb56c | 1017 | int start = flist->count; |
3ec4dd97 | 1018 | |
f1773e09 | 1019 | if (!(d = opendir(fbuf))) { |
06c28400 | 1020 | io_error |= IOERR_GENERAL; |
f1773e09 | 1021 | rsyserr(FERROR, errno, "opendir %s failed", full_fname(fbuf)); |
3ec4dd97 AT |
1022 | return; |
1023 | } | |
c627d613 | 1024 | |
19b2a5d9 WD |
1025 | p = fbuf + len; |
1026 | if (len != 1 || *fbuf != '/') | |
eddd5d12 | 1027 | *p++ = '/'; |
f1773e09 | 1028 | *p = '\0'; |
32cbfe7b | 1029 | remainder = MAXPATHLEN - (p - fbuf); |
ebed4c3a | 1030 | |
6a7cc46c | 1031 | for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) { |
d6e6ecbd | 1032 | char *dname = d_name(di); |
6a7cc46c S |
1033 | if (dname[0] == '.' && (dname[1] == '\0' |
1034 | || (dname[1] == '.' && dname[2] == '\0'))) | |
3ec4dd97 | 1035 | continue; |
301fb56c WD |
1036 | if (strlcpy(p, dname, remainder) < remainder) |
1037 | send_file_name(f, flist, fbuf, 0); | |
1038 | else { | |
eddd5d12 WD |
1039 | io_error |= IOERR_GENERAL; |
1040 | rprintf(FINFO, | |
1041 | "cannot send long-named file %s\n", | |
f1773e09 | 1042 | full_fname(fbuf)); |
eddd5d12 | 1043 | } |
3ec4dd97 | 1044 | } |
32cbfe7b WD |
1045 | |
1046 | fbuf[len] = '\0'; | |
1047 | ||
6a7cc46c | 1048 | if (errno) { |
06c28400 | 1049 | io_error |= IOERR_GENERAL; |
71903f60 | 1050 | rsyserr(FERROR, errno, "readdir(%s)", full_fname(fbuf)); |
6a7cc46c | 1051 | } |
c627d613 | 1052 | |
3ec4dd97 | 1053 | closedir(d); |
301fb56c WD |
1054 | |
1055 | if (recurse) { | |
1056 | int i, end = flist->count - 1; | |
1057 | for (i = start; i <= end; i++) | |
1058 | send_if_directory(f, flist, flist->files[i]); | |
1059 | } | |
c627d613 AT |
1060 | } |
1061 | ||
1062 | ||
ebed4c3a | 1063 | struct file_list *send_file_list(int f, int argc, char *argv[]) |
c627d613 | 1064 | { |
24d0fcde | 1065 | int l; |
bcacc18b | 1066 | STRUCT_STAT st; |
808c57c3 | 1067 | char *p, *dir, olddir[sizeof curr_dir]; |
ebed4c3a | 1068 | char lastpath[MAXPATHLEN] = ""; |
649d65ed | 1069 | struct file_list *flist; |
31b4d25d | 1070 | struct timeval start_tv, end_tv; |
a800434a | 1071 | int64 start_write; |
24d0fcde | 1072 | int use_ff_fd = 0; |
649d65ed | 1073 | |
134f4338 | 1074 | if (show_filelist_p()) |
1bbd10fe | 1075 | start_filelist_progress("building file list"); |
c627d613 | 1076 | |
a800434a | 1077 | start_write = stats.total_written; |
31b4d25d | 1078 | gettimeofday(&start_tv, NULL); |
a800434a | 1079 | |
134f4338 | 1080 | flist = flist_new(WITH_HLINK, "send_file_list"); |
c627d613 | 1081 | |
134f4338 WD |
1082 | io_start_buffering_out(); |
1083 | if (filesfrom_fd >= 0) { | |
1084 | if (argv[0] && !push_dir(argv[0])) { | |
1085 | rsyserr(FERROR, errno, "push_dir %s failed", | |
1086 | full_fname(argv[0])); | |
1087 | exit_cleanup(RERR_FILESELECT); | |
24d0fcde | 1088 | } |
134f4338 | 1089 | use_ff_fd = 1; |
d6dead6b AT |
1090 | } |
1091 | ||
24d0fcde | 1092 | while (1) { |
fc638474 DD |
1093 | char fname2[MAXPATHLEN]; |
1094 | char *fname = fname2; | |
301fb56c | 1095 | int is_dot_dir; |
c627d613 | 1096 | |
24d0fcde WD |
1097 | if (use_ff_fd) { |
1098 | if (read_filesfrom_line(filesfrom_fd, fname) == 0) | |
1099 | break; | |
33ffd7c3 | 1100 | sanitize_path(fname, fname, "", 0); |
24d0fcde WD |
1101 | } else { |
1102 | if (argc-- == 0) | |
1103 | break; | |
1104 | strlcpy(fname, *argv++, MAXPATHLEN); | |
1105 | if (sanitize_paths) | |
33ffd7c3 | 1106 | sanitize_path(fname, fname, "", 0); |
24d0fcde | 1107 | } |
c627d613 | 1108 | |
649d65ed | 1109 | l = strlen(fname); |
9f125ea7 | 1110 | if (!l || fname[l - 1] == '/') { |
6931c138 WD |
1111 | if (l == 2 && fname[0] == '.') { |
1112 | /* Turn "./" into just "." rather than "./." */ | |
1113 | fname[1] = '\0'; | |
557a35f5 WD |
1114 | } else { |
1115 | if (l + 1 >= MAXPATHLEN) | |
a1f99493 | 1116 | overflow_exit("send_file_list"); |
eddd5d12 WD |
1117 | fname[l++] = '.'; |
1118 | fname[l] = '\0'; | |
53f821f1 | 1119 | } |
301fb56c | 1120 | is_dot_dir = 1; |
a289f89f WD |
1121 | } else if (l > 1 && fname[l-1] == '.' && fname[l-2] == '.' |
1122 | && (l == 2 || fname[l-3] == '/')) { | |
1123 | if (l + 2 >= MAXPATHLEN) | |
a1f99493 | 1124 | overflow_exit("send_file_list"); |
a289f89f WD |
1125 | fname[l++] = '/'; |
1126 | fname[l++] = '.'; | |
1127 | fname[l] = '\0'; | |
1128 | is_dot_dir = 1; | |
301fb56c WD |
1129 | } else { |
1130 | is_dot_dir = fname[l-1] == '.' | |
1131 | && (l == 1 || fname[l-2] == '/'); | |
649d65ed | 1132 | } |
c627d613 | 1133 | |
314f4591 | 1134 | if (link_stat(fname, &st, keep_dirlinks) != 0) { |
134f4338 WD |
1135 | io_error |= IOERR_GENERAL; |
1136 | rsyserr(FERROR, errno, "link_stat %s failed", | |
1137 | full_fname(fname)); | |
649d65ed AT |
1138 | continue; |
1139 | } | |
c627d613 | 1140 | |
7e037c42 | 1141 | if (S_ISDIR(st.st_mode) && !xfer_dirs) { |
71903f60 WD |
1142 | rprintf(FINFO, "skipping directory %s\n", |
1143 | safe_fname(fname)); | |
649d65ed AT |
1144 | continue; |
1145 | } | |
c627d613 | 1146 | |
649d65ed | 1147 | dir = NULL; |
808c57c3 | 1148 | olddir[0] = '\0'; |
649d65ed AT |
1149 | |
1150 | if (!relative_paths) { | |
ebed4c3a | 1151 | p = strrchr(fname, '/'); |
649d65ed | 1152 | if (p) { |
151f59f1 | 1153 | *p = '\0'; |
ebed4c3a | 1154 | if (p == fname) |
649d65ed AT |
1155 | dir = "/"; |
1156 | else | |
ebed4c3a MP |
1157 | dir = fname; |
1158 | fname = p + 1; | |
649d65ed | 1159 | } |
d2ea5980 WD |
1160 | } else if ((p = strstr(fname, "/./")) != NULL) { |
1161 | *p = '\0'; | |
1162 | if (p == fname) | |
1163 | dir = "/"; | |
1164 | else | |
1165 | dir = fname; | |
1166 | fname = p + 3; | |
1167 | } | |
1168 | ||
1169 | if (!*fname) | |
1170 | fname = "."; | |
1171 | ||
1172 | if (dir && *dir) { | |
1173 | static char *lastdir; | |
1174 | static int lastdir_len; | |
1175 | ||
8ad5cea3 | 1176 | strlcpy(olddir, curr_dir, sizeof olddir); |
d2ea5980 WD |
1177 | |
1178 | if (!push_dir(dir)) { | |
1179 | io_error |= IOERR_GENERAL; | |
1180 | rsyserr(FERROR, errno, "push_dir %s failed", | |
1181 | full_fname(dir)); | |
1182 | continue; | |
1183 | } | |
1184 | ||
1185 | if (lastdir && strcmp(lastdir, dir) == 0) { | |
1186 | flist_dir = lastdir; | |
1187 | flist_dir_len = lastdir_len; | |
1188 | } else { | |
1189 | flist_dir = lastdir = strdup(dir); | |
1190 | flist_dir_len = lastdir_len = strlen(dir); | |
1191 | } | |
1192 | } | |
1193 | ||
1194 | if (implied_dirs && (p=strrchr(fname,'/')) && p != fname) { | |
151f59f1 WD |
1195 | /* Send the implied directories at the start of the |
1196 | * source spec, so we get their permissions right. */ | |
2154309a | 1197 | char *lp = lastpath, *fn = fname, *slash = fname; |
151f59f1 | 1198 | *p = '\0'; |
2154309a WD |
1199 | /* Skip any initial directories in our path that we |
1200 | * have in common with lastpath. */ | |
1201 | while (*fn && *lp == *fn) { | |
1202 | if (*fn == '/') | |
1203 | slash = fn; | |
1204 | lp++, fn++; | |
1205 | } | |
1206 | *p = '/'; | |
1207 | if (fn != p || (*lp && *lp != '/')) { | |
0f57446d | 1208 | int save_copy_links = copy_links; |
7e037c42 | 1209 | int save_xfer_dirs = xfer_dirs; |
2154309a | 1210 | copy_links = copy_unsafe_links; |
7e037c42 | 1211 | xfer_dirs = 1; |
2154309a | 1212 | while ((slash = strchr(slash+1, '/')) != 0) { |
151f59f1 | 1213 | *slash = '\0'; |
301fb56c | 1214 | send_file_name(f, flist, fname, 0); |
2154309a | 1215 | *slash = '/'; |
649d65ed | 1216 | } |
0f57446d | 1217 | copy_links = save_copy_links; |
7e037c42 | 1218 | xfer_dirs = save_xfer_dirs; |
151f59f1 | 1219 | *p = '\0'; |
2154309a | 1220 | strlcpy(lastpath, fname, sizeof lastpath); |
649d65ed AT |
1221 | *p = '/'; |
1222 | } | |
1223 | } | |
ebed4c3a | 1224 | |
2bca43f6 | 1225 | if (one_file_system) |
45478cc7 | 1226 | filesystem_dev = st.st_dev; |
2bca43f6 | 1227 | |
75c51953 WD |
1228 | if (recurse || (xfer_dirs && is_dot_dir)) { |
1229 | struct file_struct *file; | |
1230 | if ((file = send_file_name(f, flist, fname, XMIT_TOP_DIR))) | |
301fb56c | 1231 | send_if_directory(f, flist, file); |
75c51953 WD |
1232 | } else |
1233 | send_file_name(f, flist, fname, 0); | |
2bca43f6 | 1234 | |
808c57c3 | 1235 | if (olddir[0]) { |
649d65ed | 1236 | flist_dir = NULL; |
882e6893 | 1237 | flist_dir_len = 0; |
808c57c3 | 1238 | if (!pop_dir(olddir)) { |
d62bcc17 | 1239 | rsyserr(FERROR, errno, "pop_dir %s failed", |
92cdc393 | 1240 | full_fname(olddir)); |
65417579 | 1241 | exit_cleanup(RERR_FILESELECT); |
649d65ed | 1242 | } |
649d65ed | 1243 | } |
649d65ed | 1244 | } |
dc5ddbcc | 1245 | |
134f4338 WD |
1246 | gettimeofday(&end_tv, NULL); |
1247 | stats.flist_buildtime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000 | |
1248 | + (end_tv.tv_usec - start_tv.tv_usec) / 1000; | |
1249 | if (stats.flist_buildtime == 0) | |
1250 | stats.flist_buildtime = 1; | |
1251 | start_tv = end_tv; | |
31b4d25d | 1252 | |
134f4338 | 1253 | send_file_entry(NULL, f, 0); |
c627d613 | 1254 | |
134f4338 WD |
1255 | if (show_filelist_p()) |
1256 | finish_filelist_progress(flist); | |
31b4d25d | 1257 | |
134f4338 WD |
1258 | gettimeofday(&end_tv, NULL); |
1259 | stats.flist_xfertime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000 | |
1260 | + (end_tv.tv_usec - start_tv.tv_usec) / 1000; | |
ebed4c3a | 1261 | |
7cf8e8d0 | 1262 | if (flist->hlink_pool) { |
9935066b S |
1263 | pool_destroy(flist->hlink_pool); |
1264 | flist->hlink_pool = NULL; | |
1265 | } | |
1266 | ||
f5db0993 WD |
1267 | /* Sort the list without removing any duplicates. This allows the |
1268 | * receiving side to ask for any name they like, which gives us the | |
1269 | * flexibility to change the way we unduplicate names in the future | |
1270 | * without causing a compatibility problem with older versions. */ | |
827c37f6 | 1271 | clean_flist(flist, 0, 0); |
ebed4c3a | 1272 | |
134f4338 WD |
1273 | /* Now send the uid/gid list. This was introduced in |
1274 | * protocol version 15 */ | |
1275 | send_uid_list(f); | |
f6c34742 | 1276 | |
134f4338 WD |
1277 | /* send the io_error flag */ |
1278 | write_int(f, lp_ignore_errors(module_id) ? 0 : io_error); | |
6ba9279f | 1279 | |
134f4338 WD |
1280 | io_end_buffering(); |
1281 | stats.flist_size = stats.total_written - start_write; | |
1282 | stats.num_files = flist->count; | |
d6dead6b | 1283 | |
cefed3e8 | 1284 | if (verbose > 3) |
32cbfe7b | 1285 | output_flist(flist); |
cefed3e8 | 1286 | |
17faa41c | 1287 | if (verbose > 2) |
ebed4c3a | 1288 | rprintf(FINFO, "send_file_list done\n"); |
17faa41c | 1289 | |
649d65ed | 1290 | return flist; |
c627d613 AT |
1291 | } |
1292 | ||
1293 | ||
1294 | struct file_list *recv_file_list(int f) | |
1295 | { | |
ebed4c3a | 1296 | struct file_list *flist; |
1ef00d20 | 1297 | unsigned short flags; |
ebed4c3a | 1298 | int64 start_read; |
c627d613 | 1299 | |
1bbd10fe DD |
1300 | if (show_filelist_p()) |
1301 | start_filelist_progress("receiving file list"); | |
c627d613 | 1302 | |
ebed4c3a | 1303 | start_read = stats.total_read; |
a800434a | 1304 | |
9935066b | 1305 | flist = flist_new(WITH_HLINK, "recv_file_list"); |
c627d613 | 1306 | |
ebed4c3a MP |
1307 | flist->count = 0; |
1308 | flist->malloced = 1000; | |
58cadc86 | 1309 | flist->files = new_array(struct file_struct *, flist->malloced); |
ebed4c3a MP |
1310 | if (!flist->files) |
1311 | goto oom; | |
c627d613 AT |
1312 | |
1313 | ||
1ef00d20 | 1314 | while ((flags = read_byte(f)) != 0) { |
f5db0993 | 1315 | struct file_struct *file; |
dbda5fbf | 1316 | |
d9d6bc52 | 1317 | flist_expand(flist); |
c627d613 | 1318 | |
d01d15e0 | 1319 | if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS)) |
75bc8600 | 1320 | flags |= read_byte(f) << 8; |
f5db0993 | 1321 | file = receive_file_entry(flist, flags, f); |
c627d613 | 1322 | |
f5db0993 WD |
1323 | if (S_ISREG(file->mode)) |
1324 | stats.total_size += file->length; | |
c627d613 | 1325 | |
f5db0993 | 1326 | flist->files[flist->count++] = file; |
c627d613 | 1327 | |
53135fe8 | 1328 | maybe_emit_filelist_progress(flist->count); |
1bbd10fe | 1329 | |
8018edd3 | 1330 | if (verbose > 2) { |
ebed4c3a | 1331 | rprintf(FINFO, "recv_file_name(%s)\n", |
f5db0993 | 1332 | safe_fname(f_name(file))); |
8018edd3 | 1333 | } |
ebed4c3a | 1334 | } |
f5db0993 | 1335 | receive_file_entry(NULL, 0, 0); /* Signal that we're done. */ |
c627d613 | 1336 | |
ebed4c3a MP |
1337 | if (verbose > 2) |
1338 | rprintf(FINFO, "received %d names\n", flist->count); | |
c627d613 | 1339 | |
b7736c79 | 1340 | if (show_filelist_p()) |
1bbd10fe | 1341 | finish_filelist_progress(flist); |
a06d19e3 | 1342 | |
983b1ed3 WD |
1343 | clean_flist(flist, relative_paths, 1); |
1344 | ||
37802f40 | 1345 | if (f >= 0) { |
785db4ce WD |
1346 | /* Now send the uid/gid list. This was introduced in |
1347 | * protocol version 15 */ | |
ebed4c3a | 1348 | recv_uid_list(f, flist); |
f6c34742 | 1349 | |
b9f592fb WD |
1350 | /* Recv the io_error flag */ |
1351 | if (lp_ignore_errors(module_id) || ignore_errors) | |
1352 | read_int(f); | |
1353 | else | |
1354 | io_error |= read_int(f); | |
ebed4c3a | 1355 | } |
6ba9279f | 1356 | |
cefed3e8 | 1357 | if (verbose > 3) |
32cbfe7b | 1358 | output_flist(flist); |
cefed3e8 | 1359 | |
ebed4c3a MP |
1360 | if (list_only) { |
1361 | int i; | |
b7736c79 | 1362 | for (i = 0; i < flist->count; i++) |
ebed4c3a | 1363 | list_file_entry(flist->files[i]); |
ebed4c3a | 1364 | } |
f7632fc6 | 1365 | |
ebed4c3a MP |
1366 | if (verbose > 2) |
1367 | rprintf(FINFO, "recv_file_list done\n"); | |
17faa41c | 1368 | |
ebed4c3a MP |
1369 | stats.flist_size = stats.total_read - start_read; |
1370 | stats.num_files = flist->count; | |
a800434a | 1371 | |
ebed4c3a | 1372 | return flist; |
c627d613 | 1373 | |
3e491682 | 1374 | oom: |
ebed4c3a MP |
1375 | out_of_memory("recv_file_list"); |
1376 | return NULL; /* not reached */ | |
c627d613 AT |
1377 | } |
1378 | ||
1379 | ||
14698a3a | 1380 | static int file_compare(struct file_struct **file1, struct file_struct **file2) |
c627d613 | 1381 | { |
14698a3a | 1382 | return f_name_cmp(*file1, *file2); |
c627d613 AT |
1383 | } |
1384 | ||
1385 | ||
f5db0993 WD |
1386 | /* Search for an identically-named item in the file list. Note that the |
1387 | * items must agree in their directory-ness, or no match is returned. */ | |
2f3cad89 | 1388 | int flist_find(struct file_list *flist, struct file_struct *f) |
c627d613 | 1389 | { |
f3c3ed44 WD |
1390 | int low = flist->low, high = flist->high; |
1391 | int ret, mid, mid_up; | |
1392 | ||
1393 | while (low <= high) { | |
1394 | mid = (low + high) / 2; | |
1395 | for (mid_up = mid; !flist->files[mid_up]->basename; mid_up++) {} | |
1396 | if (mid_up <= high) | |
14698a3a | 1397 | ret = f_name_cmp(flist->files[mid_up], f); |
f3c3ed44 WD |
1398 | else |
1399 | ret = 1; | |
f5db0993 WD |
1400 | if (ret == 0) { |
1401 | if (protocol_version < 29 | |
1402 | && S_ISDIR(flist->files[mid_up]->mode) | |
1403 | != S_ISDIR(f->mode)) | |
1404 | return -1; | |
f3c3ed44 | 1405 | return mid_up; |
f5db0993 | 1406 | } |
b7736c79 | 1407 | if (ret > 0) |
f3c3ed44 | 1408 | high = mid - 1; |
b7736c79 | 1409 | else |
f3c3ed44 | 1410 | low = mid_up + 1; |
d966ee25 | 1411 | } |
d966ee25 | 1412 | return -1; |
c627d613 AT |
1413 | } |
1414 | ||
f5db0993 | 1415 | |
3ec4dd97 | 1416 | /* |
9935066b S |
1417 | * Free up any resources a file_struct has allocated |
1418 | * and clear the file. | |
3ec4dd97 | 1419 | */ |
9935066b | 1420 | void clear_file(int i, struct file_list *flist) |
c627d613 | 1421 | { |
9935066b S |
1422 | if (flist->hlink_pool && flist->files[i]->link_u.idev) |
1423 | pool_free(flist->hlink_pool, 0, flist->files[i]->link_u.idev); | |
1424 | memset(flist->files[i], 0, file_struct_len); | |
3ec4dd97 | 1425 | } |
c627d613 | 1426 | |
c627d613 | 1427 | |
3d382777 AT |
1428 | /* |
1429 | * allocate a new file list | |
1430 | */ | |
9935066b | 1431 | struct file_list *flist_new(int with_hlink, char *msg) |
3d382777 AT |
1432 | { |
1433 | struct file_list *flist; | |
1434 | ||
58cadc86 | 1435 | flist = new(struct file_list); |
ebed4c3a | 1436 | if (!flist) |
9935066b | 1437 | out_of_memory(msg); |
3d382777 | 1438 | |
9935066b S |
1439 | memset(flist, 0, sizeof (struct file_list)); |
1440 | ||
1441 | if (!(flist->file_pool = pool_create(FILE_EXTENT, 0, | |
1442 | out_of_memory, POOL_INTERN))) | |
1443 | out_of_memory(msg); | |
1444 | ||
4f5b0756 | 1445 | #ifdef SUPPORT_HARD_LINKS |
9935066b | 1446 | if (with_hlink && preserve_hard_links) { |
3e491682 | 1447 | if (!(flist->hlink_pool = pool_create(HLINK_EXTENT, |
9935066b S |
1448 | sizeof (struct idev), out_of_memory, POOL_INTERN))) |
1449 | out_of_memory(msg); | |
1450 | } | |
1451 | #endif | |
d9d6bc52 | 1452 | |
3d382777 AT |
1453 | return flist; |
1454 | } | |
ebed4c3a | 1455 | |
3ec4dd97 AT |
1456 | /* |
1457 | * free up all elements in a flist | |
1458 | */ | |
1459 | void flist_free(struct file_list *flist) | |
1460 | { | |
9935066b S |
1461 | pool_destroy(flist->file_pool); |
1462 | pool_destroy(flist->hlink_pool); | |
3ec4dd97 | 1463 | free(flist->files); |
3ec4dd97 | 1464 | free(flist); |
c627d613 AT |
1465 | } |
1466 | ||
1467 | ||
1468 | /* | |
1469 | * This routine ensures we don't have any duplicate names in our file list. | |
dbda5fbf | 1470 | * duplicate names can cause corruption because of the pipelining |
c627d613 | 1471 | */ |
827c37f6 | 1472 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups) |
c627d613 | 1473 | { |
6931c138 | 1474 | int i, prev_i = 0; |
c627d613 | 1475 | |
910ee8c9 WD |
1476 | if (!flist) |
1477 | return; | |
1478 | if (flist->count == 0) { | |
1479 | flist->high = -1; | |
3ec4dd97 | 1480 | return; |
910ee8c9 | 1481 | } |
3ec4dd97 | 1482 | |
bf0c5bec | 1483 | sorting_flist = flist; |
ebed4c3a | 1484 | qsort(flist->files, flist->count, |
a4a7e64c | 1485 | sizeof flist->files[0], (int (*)())file_compare); |
bf0c5bec | 1486 | sorting_flist = NULL; |
ebed4c3a | 1487 | |
827c37f6 | 1488 | for (i = no_dups? 0 : flist->count; i < flist->count; i++) { |
b91b50c0 | 1489 | if (flist->files[i]->basename) { |
6931c138 | 1490 | prev_i = i; |
b91b50c0 WD |
1491 | break; |
1492 | } | |
1493 | } | |
f3c3ed44 | 1494 | flist->low = prev_i; |
b91b50c0 | 1495 | while (++i < flist->count) { |
fe1c19dc | 1496 | int j; |
f5db0993 WD |
1497 | struct file_struct *file = flist->files[i]; |
1498 | ||
1499 | if (!file->basename) | |
b91b50c0 | 1500 | continue; |
fe1c19dc WD |
1501 | if (f_name_cmp(file, flist->files[prev_i]) == 0) |
1502 | j = prev_i; | |
1503 | else if (protocol_version >= 29 && S_ISDIR(file->mode)) { | |
f5db0993 WD |
1504 | int save_mode = file->mode; |
1505 | /* Make sure that this directory doesn't duplicate a | |
1506 | * non-directory earlier in the list. */ | |
f5db0993 | 1507 | flist->high = prev_i; |
fe1c19dc WD |
1508 | file->mode = S_IFREG; |
1509 | j = flist_find(flist, file); | |
f5db0993 | 1510 | file->mode = save_mode; |
fe1c19dc WD |
1511 | } else |
1512 | j = -1; | |
1513 | if (j >= 0) { | |
1514 | struct file_struct *fp = flist->files[j]; | |
1515 | int keep, drop; | |
1516 | /* If one is a dir and the other is not, we want to | |
1517 | * keep the dir because it might have contents in the | |
1518 | * list. */ | |
1519 | if (S_ISDIR(file->mode) != S_ISDIR(fp->mode)) { | |
1520 | if (S_ISDIR(file->mode)) | |
1521 | keep = i, drop = j; | |
1522 | else | |
1523 | keep = j, drop = i; | |
1524 | } else | |
1525 | keep = j, drop = i; | |
b91b50c0 | 1526 | if (verbose > 1 && !am_server) { |
ebed4c3a | 1527 | rprintf(FINFO, |
fe1c19dc WD |
1528 | "removing duplicate name %s from file list (%d)\n", |
1529 | safe_fname(f_name(file)), drop); | |
b91b50c0 | 1530 | } |
6931c138 | 1531 | /* Make sure that if we unduplicate '.', that we don't |
ee3751c8 | 1532 | * lose track of a user-specified top directory. */ |
0f0b2e66 WD |
1533 | flist->files[keep]->flags |= flist->files[drop]->flags |
1534 | & (FLAG_TOP_DIR|FLAG_DEL_HERE); | |
fe1c19dc WD |
1535 | |
1536 | clear_file(drop, flist); | |
9935066b | 1537 | |
fe1c19dc WD |
1538 | if (keep == i) { |
1539 | if (flist->low == drop) { | |
1540 | for (j = drop + 1; | |
1541 | j < i && !flist->files[j]->basename; | |
1542 | j++) {} | |
1543 | flist->low = j; | |
1544 | } | |
1545 | prev_i = i; | |
1546 | } | |
728d0922 | 1547 | } else |
6931c138 | 1548 | prev_i = i; |
3ec4dd97 | 1549 | } |
f5db0993 | 1550 | flist->high = no_dups ? prev_i : flist->count - 1; |
0199b05f AT |
1551 | |
1552 | if (strip_root) { | |
f5db0993 WD |
1553 | /* We need to strip off the leading slashes for relative |
1554 | * paths, but this must be done _after_ the sorting phase. */ | |
1555 | for (i = flist->low; i <= flist->high; i++) { | |
1556 | struct file_struct *file = flist->files[i]; | |
ebed4c3a | 1557 | |
f5db0993 WD |
1558 | if (!file->dirname) |
1559 | continue; | |
1560 | if (*file->dirname == '/') { | |
1561 | char *s = file->dirname + 1; | |
1562 | while (*s == '/') s++; | |
1563 | memmove(file->dirname, s, strlen(s) + 1); | |
0199b05f | 1564 | } |
f5db0993 WD |
1565 | |
1566 | if (!*file->dirname) | |
1567 | file->dirname = NULL; | |
0199b05f AT |
1568 | } |
1569 | } | |
cefed3e8 | 1570 | } |
0199b05f | 1571 | |
32cbfe7b WD |
1572 | |
1573 | static void output_flist(struct file_list *flist) | |
cefed3e8 | 1574 | { |
f3c3ed44 | 1575 | char uidbuf[16], gidbuf[16], depthbuf[16]; |
cefed3e8 | 1576 | struct file_struct *file; |
32cbfe7b | 1577 | const char *who = who_am_i(); |
cefed3e8 | 1578 | int i; |
0199b05f | 1579 | |
ebed4c3a | 1580 | for (i = 0; i < flist->count; i++) { |
cefed3e8 | 1581 | file = flist->files[i]; |
56194bcd | 1582 | if ((am_root || am_sender) && preserve_uid) |
f05f993e WD |
1583 | sprintf(uidbuf, " uid=%ld", (long)file->uid); |
1584 | else | |
1585 | *uidbuf = '\0'; | |
cefed3e8 | 1586 | if (preserve_gid && file->gid != GID_NONE) |
f05f993e WD |
1587 | sprintf(gidbuf, " gid=%ld", (long)file->gid); |
1588 | else | |
1589 | *gidbuf = '\0'; | |
f3c3ed44 WD |
1590 | if (!am_sender) |
1591 | sprintf(depthbuf, "%d", file->dir.depth); | |
14698a3a | 1592 | rprintf(FINFO, "[%s] i=%d %s %s%s%s%s mode=0%o len=%.0f%s%s flags=%x\n", |
32cbfe7b | 1593 | who, i, am_sender ? NS(file->dir.root) : depthbuf, |
71903f60 | 1594 | file->dirname ? safe_fname(file->dirname) : "", |
14698a3a WD |
1595 | file->dirname ? "/" : "", NS(file->basename), |
1596 | S_ISDIR(file->mode) ? "/" : "", (int)file->mode, | |
f3c3ed44 | 1597 | (double)file->length, uidbuf, gidbuf, file->flags); |
0199b05f | 1598 | } |
3ec4dd97 AT |
1599 | } |
1600 | ||
1601 | ||
8824e2ce | 1602 | enum fnc_state { s_DIR, s_SLASH, s_BASE, s_TRAILING }; |
f5db0993 | 1603 | enum fnc_type { t_PATH, t_ITEM }; |
8018edd3 | 1604 | |
2f3cad89 | 1605 | /* Compare the names of two file_struct entities, similar to how strcmp() |
f5db0993 WD |
1606 | * would do if it were operating on the joined strings. |
1607 | * | |
1608 | * Some differences beginning with protocol_version 29: (1) directory names | |
1609 | * are compared with an assumed trailing slash so that they compare in a | |
1610 | * way that would cause them to sort immediately prior to any content they | |
1611 | * may have; (2) a directory of any name compares after a non-directory of | |
1612 | * any name at the same depth; (3) a directory with name "." compares prior | |
1613 | * to anything else. These changes mean that a directory and a non-dir | |
1614 | * with the same name will not compare as equal (protocol_version >= 29). | |
1615 | * | |
1616 | * The dirname component can be an empty string, but the basename component | |
1617 | * cannot (and never is in the current codebase). The basename component | |
1618 | * may be NULL (for a removed item), in which case it is considered to be | |
1619 | * after any existing item. */ | |
8018edd3 | 1620 | int f_name_cmp(struct file_struct *f1, struct file_struct *f2) |
3ec4dd97 | 1621 | { |
8018edd3 WD |
1622 | int dif; |
1623 | const uchar *c1, *c2; | |
1ef00d20 | 1624 | enum fnc_state state1, state2; |
f5db0993 WD |
1625 | enum fnc_type type1, type2; |
1626 | enum fnc_type t_path = protocol_version >= 29 ? t_PATH : t_ITEM; | |
8018edd3 WD |
1627 | |
1628 | if (!f1 || !f1->basename) { | |
1629 | if (!f2 || !f2->basename) | |
1630 | return 0; | |
1631 | return -1; | |
1632 | } | |
1633 | if (!f2 || !f2->basename) | |
1634 | return 1; | |
1635 | ||
14698a3a WD |
1636 | c1 = (uchar*)f1->dirname; |
1637 | c2 = (uchar*)f2->dirname; | |
1638 | if (c1 == c2) | |
1639 | c1 = c2 = NULL; | |
1640 | if (!c1) { | |
f5db0993 | 1641 | type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM; |
e90b8ace | 1642 | c1 = (uchar*)f1->basename; |
f5db0993 WD |
1643 | if (type1 == t_PATH && *c1 == '.' && !c1[1]) { |
1644 | type1 = t_ITEM; | |
1645 | state1 = s_TRAILING; | |
1646 | c1 = (uchar*)""; | |
1647 | } else | |
1648 | state1 = s_BASE; | |
080ddf58 | 1649 | } else if (!*c1) { |
f5db0993 | 1650 | type1 = t_path; |
8824e2ce | 1651 | state1 = s_SLASH; |
080ddf58 | 1652 | c1 = (uchar*)"/"; |
f5db0993 WD |
1653 | } else { |
1654 | type1 = t_path; | |
8824e2ce | 1655 | state1 = s_DIR; |
f5db0993 | 1656 | } |
14698a3a | 1657 | if (!c2) { |
f5db0993 | 1658 | type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM; |
e90b8ace | 1659 | c2 = (uchar*)f2->basename; |
f5db0993 WD |
1660 | if (type2 == t_PATH && *c2 == '.' && !c2[1]) { |
1661 | type2 = t_ITEM; | |
1662 | state2 = s_TRAILING; | |
1663 | c2 = (uchar*)""; | |
1664 | } else | |
1665 | state2 = s_BASE; | |
080ddf58 | 1666 | } else if (!*c2) { |
f5db0993 | 1667 | type2 = t_path; |
8824e2ce | 1668 | state2 = s_SLASH; |
080ddf58 | 1669 | c2 = (uchar*)"/"; |
f5db0993 WD |
1670 | } else { |
1671 | type2 = t_path; | |
8824e2ce | 1672 | state2 = s_DIR; |
f5db0993 WD |
1673 | } |
1674 | ||
1675 | if (type1 != type2) | |
1676 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 WD |
1677 | |
1678 | while (1) { | |
f5db0993 | 1679 | if ((dif = (int)*c1++ - (int)*c2++) != 0) |
8018edd3 | 1680 | break; |
f5db0993 | 1681 | if (!*c1) { |
8018edd3 | 1682 | switch (state1) { |
8824e2ce WD |
1683 | case s_DIR: |
1684 | state1 = s_SLASH; | |
e90b8ace | 1685 | c1 = (uchar*)"/"; |
8018edd3 | 1686 | break; |
8824e2ce | 1687 | case s_SLASH: |
f5db0993 | 1688 | type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM; |
e90b8ace | 1689 | c1 = (uchar*)f1->basename; |
cbb5fa4f WD |
1690 | if (type1 == t_PATH && *c1 == '.' && !c1[1]) { |
1691 | type1 = t_ITEM; | |
1692 | state1 = s_TRAILING; | |
1693 | c1 = (uchar*)""; | |
1694 | } else | |
1695 | state1 = s_BASE; | |
8018edd3 | 1696 | break; |
8824e2ce WD |
1697 | case s_BASE: |
1698 | state1 = s_TRAILING; | |
f5db0993 | 1699 | if (type1 == t_PATH) { |
2f3cad89 | 1700 | c1 = (uchar*)"/"; |
f5db0993 WD |
1701 | break; |
1702 | } | |
1703 | /* FALL THROUGH */ | |
8824e2ce | 1704 | case s_TRAILING: |
f5db0993 | 1705 | type1 = t_ITEM; |
8018edd3 WD |
1706 | break; |
1707 | } | |
f5db0993 WD |
1708 | if (*c2 && type1 != type2) |
1709 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 | 1710 | } |
f5db0993 | 1711 | if (!*c2) { |
8018edd3 | 1712 | switch (state2) { |
8824e2ce WD |
1713 | case s_DIR: |
1714 | state2 = s_SLASH; | |
e90b8ace | 1715 | c2 = (uchar*)"/"; |
8018edd3 | 1716 | break; |
8824e2ce | 1717 | case s_SLASH: |
f5db0993 | 1718 | type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM; |
e90b8ace | 1719 | c2 = (uchar*)f2->basename; |
cbb5fa4f WD |
1720 | if (type2 == t_PATH && *c2 == '.' && !c2[1]) { |
1721 | type2 = t_ITEM; | |
1722 | state2 = s_TRAILING; | |
1723 | c2 = (uchar*)""; | |
1724 | } else | |
1725 | state2 = s_BASE; | |
8018edd3 | 1726 | break; |
8824e2ce | 1727 | case s_BASE: |
8824e2ce | 1728 | state2 = s_TRAILING; |
f5db0993 | 1729 | if (type2 == t_PATH) { |
2f3cad89 | 1730 | c2 = (uchar*)"/"; |
f5db0993 WD |
1731 | break; |
1732 | } | |
1733 | /* FALL THROUGH */ | |
8824e2ce | 1734 | case s_TRAILING: |
f5db0993 WD |
1735 | if (!*c1) |
1736 | return 0; | |
1737 | type2 = t_ITEM; | |
8018edd3 WD |
1738 | break; |
1739 | } | |
f5db0993 WD |
1740 | if (type1 != type2) |
1741 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 WD |
1742 | } |
1743 | } | |
1744 | ||
1745 | return dif; | |
1746 | } | |
1747 | ||
3ec4dd97 | 1748 | |
8018edd3 | 1749 | /* Return a copy of the full filename of a flist entry, using the indicated |
882e6893 WD |
1750 | * buffer. No size-checking is done because we checked the size when creating |
1751 | * the file_struct entry. | |
8018edd3 | 1752 | */ |
882e6893 | 1753 | char *f_name_to(struct file_struct *f, char *fbuf) |
8018edd3 | 1754 | { |
ebed4c3a MP |
1755 | if (!f || !f->basename) |
1756 | return NULL; | |
3ec4dd97 | 1757 | |
3ec4dd97 | 1758 | if (f->dirname) { |
882e6893 WD |
1759 | int len = strlen(f->dirname); |
1760 | memcpy(fbuf, f->dirname, len); | |
1761 | fbuf[len] = '/'; | |
1762 | strcpy(fbuf + len + 1, f->basename); | |
8018edd3 | 1763 | } else |
882e6893 | 1764 | strcpy(fbuf, f->basename); |
b7736c79 | 1765 | return fbuf; |
8018edd3 | 1766 | } |
e03dfae5 | 1767 | |
3ec4dd97 | 1768 | |
45478cc7 | 1769 | /* Like f_name_to(), but we rotate through 5 static buffers of our own. */ |
8018edd3 WD |
1770 | char *f_name(struct file_struct *f) |
1771 | { | |
1772 | static char names[5][MAXPATHLEN]; | |
1773 | static unsigned int n; | |
1774 | ||
1775 | n = (n + 1) % (sizeof names / sizeof names[0]); | |
1776 | ||
882e6893 | 1777 | return f_name_to(f, names[n]); |
c627d613 | 1778 | } |
649f8742 | 1779 | |
45478cc7 | 1780 | |
32cbfe7b WD |
1781 | /* Do a non-recursive scan of the named directory, possibly ignoring all |
1782 | * exclude rules except for the daemon's. If "dlen" is >=0, it is the length | |
1783 | * of the dirname string, and also indicates that "dirname" is a MAXPATHLEN | |
1784 | * buffer (the functions we call will append names onto the end, but the old | |
1785 | * dir value will be restored on exit). */ | |
1786 | struct file_list *get_dirlist(char *dirname, int dlen, | |
1787 | int ignore_filter_rules) | |
37802f40 WD |
1788 | { |
1789 | struct file_list *dirlist; | |
1790 | char dirbuf[MAXPATHLEN]; | |
37802f40 WD |
1791 | int save_recurse = recurse; |
1792 | ||
32cbfe7b WD |
1793 | if (dlen < 0) { |
1794 | dlen = strlcpy(dirbuf, dirname, MAXPATHLEN); | |
1795 | if (dlen >= MAXPATHLEN) | |
1796 | return NULL; | |
1797 | dirname = dirbuf; | |
1798 | } | |
37802f40 WD |
1799 | |
1800 | dirlist = flist_new(WITHOUT_HLINK, "get_dirlist"); | |
32cbfe7b | 1801 | |
37802f40 | 1802 | recurse = 0; |
32cbfe7b | 1803 | send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen); |
37802f40 | 1804 | recurse = save_recurse; |
53135fe8 WD |
1805 | if (do_progress) |
1806 | flist_count_offset += dirlist->count; | |
37802f40 | 1807 | |
564ef546 WD |
1808 | clean_flist(dirlist, 0, 0); |
1809 | ||
45478cc7 | 1810 | if (verbose > 3) |
32cbfe7b | 1811 | output_flist(dirlist); |
45478cc7 | 1812 | |
32cbfe7b | 1813 | return dirlist; |
45478cc7 | 1814 | } |