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; | |
b5c6a6ae | 51 | extern int preserve_specials; |
c627d613 AT |
52 | extern int preserve_uid; |
53 | extern int preserve_gid; | |
6574b4f7 | 54 | extern int relative_paths; |
24d0fcde | 55 | extern int implied_dirs; |
82306bf6 | 56 | extern int copy_links; |
b5313607 | 57 | extern int copy_unsafe_links; |
d04e9c51 | 58 | extern int protocol_version; |
cb13abfe | 59 | extern int sanitize_paths; |
314f4591 | 60 | extern int orig_umask; |
d64e6f42 WD |
61 | extern struct stats stats; |
62 | extern struct file_list *the_file_list; | |
c627d613 | 63 | |
e1f40891 WD |
64 | extern char curr_dir[MAXPATHLEN]; |
65 | ||
2b7e0f33 WD |
66 | extern struct chmod_mode_struct *chmod_modes; |
67 | ||
7842418b WD |
68 | extern struct filter_list_struct filter_list; |
69 | extern struct filter_list_struct server_filter_list; | |
c627d613 | 70 | |
06c28400 | 71 | int io_error; |
7752df41 | 72 | int checksum_len; |
535737bf | 73 | dev_t filesystem_dev; /* used to implement -x */ |
5e58e3f9 | 74 | unsigned int file_struct_len; |
06c28400 | 75 | |
fea4db62 | 76 | static char empty_sum[MD4_SUM_LENGTH]; |
53135fe8 | 77 | static int flist_count_offset; |
3d382777 | 78 | |
827c37f6 | 79 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups); |
32cbfe7b | 80 | static void output_flist(struct file_list *flist); |
0199b05f | 81 | |
61dec11a WD |
82 | void init_flist(void) |
83 | { | |
1f9ae80a | 84 | struct file_struct f; |
61dec11a | 85 | |
1f9ae80a | 86 | /* Figure out how big the file_struct is without trailing padding */ |
7cf8e8d0 | 87 | file_struct_len = offsetof(struct file_struct, flags) + sizeof f.flags; |
7752df41 | 88 | checksum_len = protocol_version < 21 ? 2 : MD4_SUM_LENGTH; |
61dec11a WD |
89 | } |
90 | ||
1bbd10fe | 91 | static int show_filelist_p(void) |
58225000 | 92 | { |
7e037c42 | 93 | return verbose && xfer_dirs && !am_server; |
1bbd10fe | 94 | } |
ebed4c3a | 95 | |
1bbd10fe DD |
96 | static void start_filelist_progress(char *kind) |
97 | { | |
98 | rprintf(FINFO, "%s ... ", kind); | |
e5ce3bcf | 99 | if (verbose > 1 || do_progress) |
1bbd10fe DD |
100 | rprintf(FINFO, "\n"); |
101 | rflush(FINFO); | |
58225000 MP |
102 | } |
103 | ||
53135fe8 | 104 | static void emit_filelist_progress(int count) |
db719fb0 | 105 | { |
53135fe8 | 106 | rprintf(FINFO, " %d files...\r", count); |
db719fb0 MP |
107 | } |
108 | ||
53135fe8 | 109 | static void maybe_emit_filelist_progress(int count) |
58225000 | 110 | { |
53135fe8 WD |
111 | if (do_progress && show_filelist_p() && (count % 100) == 0) |
112 | emit_filelist_progress(count); | |
58225000 MP |
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 | ||
f7632fc6 AT |
130 | static void list_file_entry(struct file_struct *f) |
131 | { | |
740819ef | 132 | char perms[11]; |
f7632fc6 | 133 | |
e5ce3bcf | 134 | if (!f->basename) { |
7212be92 DD |
135 | /* this can happen if duplicate names were removed */ |
136 | return; | |
e5ce3bcf | 137 | } |
7212be92 | 138 | |
740819ef MP |
139 | permstring(perms, f->mode); |
140 | ||
4f5b0756 | 141 | #ifdef SUPPORT_LINKS |
f7632fc6 | 142 | if (preserve_links && S_ISLNK(f->mode)) { |
ebed4c3a MP |
143 | rprintf(FINFO, "%s %11.0f %s %s -> %s\n", |
144 | perms, | |
a4a7e64c | 145 | (double)f->length, timestring(f->modtime), |
5e4ff5f9 | 146 | f_name(f, NULL), f->u.link); |
0d162bd1 WD |
147 | } else |
148 | #endif | |
e5ce3bcf | 149 | { |
ebed4c3a MP |
150 | rprintf(FINFO, "%s %11.0f %s %s\n", |
151 | perms, | |
a4a7e64c | 152 | (double)f->length, timestring(f->modtime), |
5e4ff5f9 | 153 | f_name(f, NULL)); |
e5ce3bcf | 154 | } |
f7632fc6 AT |
155 | } |
156 | ||
bd9e9ecc MP |
157 | /** |
158 | * Stat either a symlink or its referent, depending on the settings of | |
159 | * copy_links, copy_unsafe_links, etc. | |
160 | * | |
4e5db0ad MP |
161 | * @retval -1 on error |
162 | * | |
163 | * @retval 0 for success | |
164 | * | |
165 | * @post If @p path is a symlink, then @p linkbuf (of size @c | |
bd9e9ecc | 166 | * MAXPATHLEN) contains the symlink target. |
4e5db0ad MP |
167 | * |
168 | * @post @p buffer contains information about the link or the | |
169 | * referrent as appropriate, if they exist. | |
bd9e9ecc | 170 | **/ |
23f4587f | 171 | static int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf) |
b5313607 | 172 | { |
4f5b0756 | 173 | #ifdef SUPPORT_LINKS |
b7736c79 | 174 | if (copy_links) |
6f2623fd | 175 | return do_stat(path, buffer); |
23f4587f | 176 | if (link_stat(path, buffer, 0) < 0) |
b5313607 | 177 | return -1; |
6f2623fd | 178 | if (S_ISLNK(buffer->st_mode)) { |
a4a7e64c | 179 | int l = readlink((char *)path, linkbuf, MAXPATHLEN - 1); |
dbda5fbf | 180 | if (l == -1) |
b5313607 | 181 | return -1; |
6f2623fd | 182 | linkbuf[l] = 0; |
fc638474 DD |
183 | if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) { |
184 | if (verbose > 1) { | |
dbda5fbf | 185 | rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n", |
0ee6ca98 | 186 | path, linkbuf); |
fc638474 | 187 | } |
6f2623fd | 188 | return do_stat(path, buffer); |
b5313607 DD |
189 | } |
190 | } | |
191 | return 0; | |
192 | #else | |
6f2623fd | 193 | return do_stat(path, buffer); |
b5313607 DD |
194 | #endif |
195 | } | |
196 | ||
314f4591 | 197 | int link_stat(const char *path, STRUCT_STAT *buffer, int follow_dirlinks) |
82306bf6 | 198 | { |
4f5b0756 | 199 | #ifdef SUPPORT_LINKS |
b7736c79 | 200 | if (copy_links) |
6f2623fd | 201 | return do_stat(path, buffer); |
314f4591 WD |
202 | if (do_lstat(path, buffer) < 0) |
203 | return -1; | |
204 | if (follow_dirlinks && S_ISLNK(buffer->st_mode)) { | |
205 | STRUCT_STAT st; | |
206 | if (do_stat(path, &st) == 0 && S_ISDIR(st.st_mode)) | |
207 | *buffer = st; | |
208 | } | |
209 | return 0; | |
82306bf6 | 210 | #else |
6f2623fd | 211 | return do_stat(path, buffer); |
82306bf6 AT |
212 | #endif |
213 | } | |
214 | ||
7842418b | 215 | /* This function is used to check if a file should be included/excluded |
429f9828 | 216 | * from the list of files based on its name and type etc. The value of |
7842418b WD |
217 | * filter_level is set to either SERVER_FILTERS or ALL_FILTERS. */ |
218 | static int is_excluded(char *fname, int is_dir, int filter_level) | |
c627d613 | 219 | { |
7d687932 | 220 | #if 0 /* This currently never happens, so avoid a useless compare. */ |
7842418b | 221 | if (filter_level == NO_FILTERS) |
429f9828 WD |
222 | return 0; |
223 | #endif | |
6931c138 | 224 | if (fname) { |
429f9828 | 225 | /* never exclude '.', even if somebody does --exclude '*' */ |
6931c138 WD |
226 | if (fname[0] == '.' && !fname[1]) |
227 | return 0; | |
228 | /* Handle the -R version of the '.' dir. */ | |
229 | if (fname[0] == '/') { | |
230 | int len = strlen(fname); | |
231 | if (fname[len-1] == '.' && fname[len-2] == '/') | |
232 | return 0; | |
233 | } | |
76e26e10 | 234 | } |
7842418b WD |
235 | if (server_filter_list.head |
236 | && check_filter(&server_filter_list, fname, is_dir) < 0) | |
429f9828 | 237 | return 1; |
7842418b | 238 | if (filter_level != ALL_FILTERS) |
429f9828 | 239 | return 0; |
7842418b WD |
240 | if (filter_list.head |
241 | && check_filter(&filter_list, fname, is_dir) < 0) | |
76e26e10 | 242 | return 1; |
76e26e10 | 243 | return 0; |
c627d613 AT |
244 | } |
245 | ||
b280a1f4 AT |
246 | static int to_wire_mode(mode_t mode) |
247 | { | |
4f5b0756 | 248 | #ifdef SUPPORT_LINKS |
b7736c79 | 249 | if (S_ISLNK(mode) && (_S_IFLNK != 0120000)) |
b280a1f4 | 250 | return (mode & ~(_S_IFMT)) | 0120000; |
0d162bd1 | 251 | #endif |
a4a7e64c | 252 | return (int)mode; |
b280a1f4 AT |
253 | } |
254 | ||
255 | static mode_t from_wire_mode(int mode) | |
256 | { | |
b7736c79 | 257 | if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000)) |
efe3037c | 258 | return (mode & ~(_S_IFMT)) | _S_IFLNK; |
a4a7e64c | 259 | return (mode_t)mode; |
b280a1f4 AT |
260 | } |
261 | ||
f1773e09 | 262 | static void send_directory(int f, struct file_list *flist, |
32cbfe7b | 263 | char *fbuf, int len); |
c627d613 | 264 | |
3a6a366f | 265 | static char *flist_dir; |
882e6893 | 266 | static int flist_dir_len; |
c627d613 | 267 | |
3ec4dd97 | 268 | |
d9d6bc52 MP |
269 | /** |
270 | * Make sure @p flist is big enough to hold at least @p flist->count | |
271 | * entries. | |
272 | **/ | |
a85906c7 | 273 | void flist_expand(struct file_list *flist) |
d9d6bc52 | 274 | { |
0501f363 | 275 | struct file_struct **new_ptr; |
2e7d1994 | 276 | |
a85906c7 S |
277 | if (flist->count < flist->malloced) |
278 | return; | |
dbda5fbf | 279 | |
a85906c7 S |
280 | if (flist->malloced < FLIST_START) |
281 | flist->malloced = FLIST_START; | |
282 | else if (flist->malloced >= FLIST_LINEAR) | |
283 | flist->malloced += FLIST_LINEAR; | |
284 | else | |
285 | flist->malloced *= 2; | |
286 | ||
287 | /* | |
288 | * In case count jumped or we are starting the list | |
289 | * with a known size just set it. | |
290 | */ | |
291 | if (flist->malloced < flist->count) | |
292 | flist->malloced = flist->count; | |
293 | ||
0501f363 WD |
294 | new_ptr = realloc_array(flist->files, struct file_struct *, |
295 | flist->malloced); | |
2e7d1994 | 296 | |
8c483820 | 297 | if (verbose >= 2 && flist->malloced != FLIST_START) { |
a85906c7 S |
298 | rprintf(FINFO, "[%s] expand file_list to %.0f bytes, did%s move\n", |
299 | who_am_i(), | |
a4a7e64c | 300 | (double)sizeof flist->files[0] * flist->malloced, |
a85906c7 | 301 | (new_ptr == flist->files) ? " not" : ""); |
d9d6bc52 | 302 | } |
a85906c7 | 303 | |
0501f363 | 304 | flist->files = new_ptr; |
a85906c7 S |
305 | |
306 | if (!flist->files) | |
307 | out_of_memory("flist_expand"); | |
d9d6bc52 MP |
308 | } |
309 | ||
96b87581 | 310 | static void send_file_entry(struct file_struct *file, int f) |
c627d613 | 311 | { |
1ef00d20 | 312 | unsigned short flags; |
5911fee5 WD |
313 | static time_t modtime; |
314 | static mode_t mode; | |
1490812a | 315 | static int64 dev; |
4124540d | 316 | static dev_t rdev; |
9c5e91f8 | 317 | static uint32 rdev_major; |
5911fee5 WD |
318 | static uid_t uid; |
319 | static gid_t gid; | |
320 | static char lastname[MAXPATHLEN]; | |
f376e674 | 321 | char fname[MAXPATHLEN]; |
ebed4c3a | 322 | int l1, l2; |
72914a60 | 323 | |
37802f40 | 324 | if (f < 0) |
ebed4c3a | 325 | return; |
72914a60 AT |
326 | |
327 | if (!file) { | |
ebed4c3a | 328 | write_byte(f, 0); |
5911fee5 | 329 | modtime = 0, mode = 0; |
4124540d | 330 | dev = 0, rdev = makedev(0, 0); |
9c5e91f8 | 331 | rdev_major = 0; |
5911fee5 WD |
332 | uid = 0, gid = 0; |
333 | *lastname = '\0'; | |
72914a60 AT |
334 | return; |
335 | } | |
336 | ||
eca2adb4 MP |
337 | io_write_phase = "send_file_entry"; |
338 | ||
5e4ff5f9 | 339 | f_name(file, fname); |
72914a60 | 340 | |
96b87581 | 341 | flags = file->flags & XMIT_TOP_DIR; |
72914a60 | 342 | |
30f337c9 | 343 | if (file->mode == mode) |
d01d15e0 | 344 | flags |= XMIT_SAME_MODE; |
1ef00d20 | 345 | else |
30f337c9 | 346 | mode = file->mode; |
b5c6a6ae WD |
347 | if ((preserve_devices && IS_DEVICE(mode)) |
348 | || (preserve_specials && IS_SPECIAL(mode))) { | |
75bc8600 | 349 | if (protocol_version < 28) { |
b5c6a6ae WD |
350 | if (file->u.rdev == rdev) |
351 | flags |= XMIT_SAME_RDEV_pre28; | |
352 | else | |
353 | rdev = file->u.rdev; | |
354 | } else { | |
84a3efa0 | 355 | rdev = file->u.rdev; |
9c5e91f8 WD |
356 | if ((uint32)major(rdev) == rdev_major) |
357 | flags |= XMIT_SAME_RDEV_MAJOR; | |
84a3efa0 | 358 | else |
9c5e91f8 WD |
359 | rdev_major = major(rdev); |
360 | if ((uint32)minor(rdev) <= 0xFFu) | |
361 | flags |= XMIT_RDEV_MINOR_IS_SMALL; | |
75bc8600 | 362 | } |
b5c6a6ae WD |
363 | } else if (protocol_version < 28) |
364 | rdev = makedev(0, 0); | |
7b6fa00f | 365 | if (file->uid == uid) |
d01d15e0 | 366 | flags |= XMIT_SAME_UID; |
1ef00d20 | 367 | else |
7b6fa00f WD |
368 | uid = file->uid; |
369 | if (file->gid == gid) | |
d01d15e0 | 370 | flags |= XMIT_SAME_GID; |
1ef00d20 | 371 | else |
7b6fa00f | 372 | gid = file->gid; |
30f337c9 | 373 | if (file->modtime == modtime) |
d01d15e0 | 374 | flags |= XMIT_SAME_TIME; |
1ef00d20 | 375 | else |
30f337c9 | 376 | modtime = file->modtime; |
a289addd | 377 | |
4f5b0756 | 378 | #ifdef SUPPORT_HARD_LINKS |
92cc9dd7 WD |
379 | if (file->link_u.idev) { |
380 | if (file->F_DEV == dev) { | |
c4b4df4f | 381 | if (protocol_version >= 28) |
d01d15e0 | 382 | flags |= XMIT_SAME_DEV; |
728d0922 | 383 | } else |
92cc9dd7 | 384 | dev = file->F_DEV; |
d01d15e0 | 385 | flags |= XMIT_HAS_IDEV_DATA; |
c4b4df4f | 386 | } |
0d162bd1 | 387 | #endif |
ebed4c3a MP |
388 | |
389 | for (l1 = 0; | |
3e491682 S |
390 | lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255); |
391 | l1++) {} | |
eddd5d12 | 392 | l2 = strlen(fname+l1); |
72914a60 | 393 | |
ebed4c3a | 394 | if (l1 > 0) |
d01d15e0 | 395 | flags |= XMIT_SAME_NAME; |
ebed4c3a | 396 | if (l2 > 255) |
d01d15e0 | 397 | flags |= XMIT_LONG_NAME; |
72914a60 | 398 | |
1aa4caf3 WD |
399 | /* We must make sure we don't send a zero flag byte or the |
400 | * other end will terminate the flist transfer. Note that | |
ee3751c8 | 401 | * the use of XMIT_TOP_DIR on a non-dir has no meaning, so |
1aa4caf3 | 402 | * it's harmless way to add a bit to the first flag byte. */ |
75bc8600 | 403 | if (protocol_version >= 28) { |
1aa4caf3 | 404 | if (!flags && !S_ISDIR(mode)) |
ee3751c8 | 405 | flags |= XMIT_TOP_DIR; |
1aa4caf3 | 406 | if ((flags & 0xFF00) || !flags) { |
d01d15e0 | 407 | flags |= XMIT_EXTENDED_FLAGS; |
75bc8600 WD |
408 | write_byte(f, flags); |
409 | write_byte(f, flags >> 8); | |
410 | } else | |
411 | write_byte(f, flags); | |
412 | } else { | |
0a982011 | 413 | if (!(flags & 0xFF)) |
75c51953 | 414 | flags |= S_ISDIR(mode) ? XMIT_LONG_NAME : XMIT_TOP_DIR; |
75bc8600 WD |
415 | write_byte(f, flags); |
416 | } | |
d01d15e0 | 417 | if (flags & XMIT_SAME_NAME) |
ebed4c3a | 418 | write_byte(f, l1); |
d01d15e0 | 419 | if (flags & XMIT_LONG_NAME) |
ebed4c3a | 420 | write_int(f, l2); |
72914a60 | 421 | else |
ebed4c3a MP |
422 | write_byte(f, l2); |
423 | write_buf(f, fname + l1, l2); | |
72914a60 | 424 | |
ebed4c3a | 425 | write_longint(f, file->length); |
d01d15e0 | 426 | if (!(flags & XMIT_SAME_TIME)) |
30f337c9 | 427 | write_int(f, modtime); |
d01d15e0 | 428 | if (!(flags & XMIT_SAME_MODE)) |
30f337c9 | 429 | write_int(f, to_wire_mode(mode)); |
d01d15e0 | 430 | if (preserve_uid && !(flags & XMIT_SAME_UID)) { |
9f7b8c3b WD |
431 | if (!numeric_ids) |
432 | add_uid(uid); | |
30f337c9 | 433 | write_int(f, uid); |
72914a60 | 434 | } |
d01d15e0 | 435 | if (preserve_gid && !(flags & XMIT_SAME_GID)) { |
9f7b8c3b WD |
436 | if (!numeric_ids) |
437 | add_gid(gid); | |
30f337c9 | 438 | write_int(f, gid); |
72914a60 | 439 | } |
b5c6a6ae WD |
440 | if ((preserve_devices && IS_DEVICE(mode)) |
441 | || (preserve_specials && IS_SPECIAL(mode))) { | |
9c5e91f8 WD |
442 | if (protocol_version < 28) { |
443 | if (!(flags & XMIT_SAME_RDEV_pre28)) | |
444 | write_int(f, (int)rdev); | |
445 | } else { | |
446 | if (!(flags & XMIT_SAME_RDEV_MAJOR)) | |
447 | write_int(f, major(rdev)); | |
448 | if (flags & XMIT_RDEV_MINOR_IS_SMALL) | |
449 | write_byte(f, minor(rdev)); | |
450 | else | |
451 | write_int(f, minor(rdev)); | |
452 | } | |
75bc8600 | 453 | } |
c627d613 | 454 | |
4f5b0756 | 455 | #ifdef SUPPORT_LINKS |
30f337c9 | 456 | if (preserve_links && S_ISLNK(mode)) { |
306ffb8c WD |
457 | int len = strlen(file->u.link); |
458 | write_int(f, len); | |
459 | write_buf(f, file->u.link, len); | |
72914a60 | 460 | } |
c627d613 AT |
461 | #endif |
462 | ||
4f5b0756 | 463 | #ifdef SUPPORT_HARD_LINKS |
d01d15e0 | 464 | if (flags & XMIT_HAS_IDEV_DATA) { |
4124540d | 465 | if (protocol_version < 26) { |
736a6a29 | 466 | /* 32-bit dev_t and ino_t */ |
30f337c9 | 467 | write_int(f, dev); |
92cc9dd7 | 468 | write_int(f, file->F_INODE); |
736a6a29 MP |
469 | } else { |
470 | /* 64-bit dev_t and ino_t */ | |
4124540d WD |
471 | if (!(flags & XMIT_SAME_DEV)) |
472 | write_longint(f, dev); | |
92cc9dd7 | 473 | write_longint(f, file->F_INODE); |
736a6a29 | 474 | } |
72914a60 | 475 | } |
dc5ddbcc AT |
476 | #endif |
477 | ||
9a4a237e | 478 | if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) { |
728d0922 WD |
479 | char *sum; |
480 | if (S_ISREG(mode)) | |
481 | sum = file->u.sum; | |
9a4a237e | 482 | else { |
728d0922 WD |
483 | /* Prior to 28, we sent a useless set of nulls. */ |
484 | sum = empty_sum; | |
728d0922 | 485 | } |
7752df41 | 486 | write_buf(f, sum, checksum_len); |
ebed4c3a | 487 | } |
182dca5c | 488 | |
ebed4c3a | 489 | strlcpy(lastname, fname, MAXPATHLEN); |
eca2adb4 MP |
490 | |
491 | io_write_phase = "unknown"; | |
182dca5c AT |
492 | } |
493 | ||
f5db0993 WD |
494 | static struct file_struct *receive_file_entry(struct file_list *flist, |
495 | unsigned short flags, int f) | |
182dca5c | 496 | { |
5911fee5 WD |
497 | static time_t modtime; |
498 | static mode_t mode; | |
1490812a | 499 | static int64 dev; |
4124540d | 500 | static dev_t rdev; |
9c5e91f8 | 501 | static uint32 rdev_major; |
5911fee5 WD |
502 | static uid_t uid; |
503 | static gid_t gid; | |
a289addd | 504 | static char lastname[MAXPATHLEN], *lastdir; |
33ffd7c3 | 505 | static int lastdir_depth, lastdir_len = -1; |
42f23f47 | 506 | static unsigned int del_hier_name_len = 0; |
649f8742 | 507 | static int in_del_hier = 0; |
72914a60 | 508 | char thisname[MAXPATHLEN]; |
ebed4c3a | 509 | unsigned int l1 = 0, l2 = 0; |
a1d55ad0 | 510 | int alloc_len, basename_len, dirname_len, linkname_len, sum_len; |
a289addd WD |
511 | OFF_T file_length; |
512 | char *basename, *dirname, *bp; | |
72914a60 AT |
513 | struct file_struct *file; |
514 | ||
f3c3ed44 | 515 | if (!flist) { |
5911fee5 | 516 | modtime = 0, mode = 0; |
4124540d | 517 | dev = 0, rdev = makedev(0, 0); |
9c5e91f8 | 518 | rdev_major = 0; |
5911fee5 WD |
519 | uid = 0, gid = 0; |
520 | *lastname = '\0'; | |
3db859e8 | 521 | lastdir_len = -1; |
649f8742 | 522 | in_del_hier = 0; |
f5db0993 | 523 | return NULL; |
5911fee5 WD |
524 | } |
525 | ||
d01d15e0 | 526 | if (flags & XMIT_SAME_NAME) |
72914a60 | 527 | l1 = read_byte(f); |
ebed4c3a | 528 | |
d01d15e0 | 529 | if (flags & XMIT_LONG_NAME) |
72914a60 AT |
530 | l2 = read_int(f); |
531 | else | |
532 | l2 = read_byte(f); | |
533 | ||
ebed4c3a MP |
534 | if (l2 >= MAXPATHLEN - l1) { |
535 | rprintf(FERROR, | |
536 | "overflow: flags=0x%x l1=%d l2=%d lastname=%s\n", | |
0ee6ca98 | 537 | flags, l1, l2, lastname); |
a1f99493 | 538 | overflow_exit("receive_file_entry"); |
d0fd26aa | 539 | } |
72914a60 | 540 | |
ebed4c3a MP |
541 | strlcpy(thisname, lastname, l1 + 1); |
542 | read_sbuf(f, &thisname[l1], l2); | |
543 | thisname[l1 + l2] = 0; | |
72914a60 | 544 | |
ebed4c3a | 545 | strlcpy(lastname, thisname, MAXPATHLEN); |
72914a60 | 546 | |
58b1999e | 547 | clean_fname(thisname, 0); |
72914a60 | 548 | |
0d162bd1 | 549 | if (sanitize_paths) |
33ffd7c3 | 550 | sanitize_path(thisname, thisname, "", 0); |
cb13abfe | 551 | |
a289addd WD |
552 | if ((basename = strrchr(thisname, '/')) != NULL) { |
553 | dirname_len = ++basename - thisname; /* counts future '\0' */ | |
554 | if (lastdir_len == dirname_len - 1 | |
555 | && strncmp(thisname, lastdir, lastdir_len) == 0) { | |
556 | dirname = lastdir; | |
557 | dirname_len = 0; /* indicates no copy is needed */ | |
558 | } else | |
559 | dirname = thisname; | |
72914a60 | 560 | } else { |
a289addd WD |
561 | basename = thisname; |
562 | dirname = NULL; | |
563 | dirname_len = 0; | |
72914a60 | 564 | } |
a289addd | 565 | basename_len = strlen(basename) + 1; /* count the '\0' */ |
72914a60 | 566 | |
a289addd | 567 | file_length = read_longint(f); |
d01d15e0 | 568 | if (!(flags & XMIT_SAME_TIME)) |
30f337c9 | 569 | modtime = (time_t)read_int(f); |
d01d15e0 | 570 | if (!(flags & XMIT_SAME_MODE)) |
30f337c9 | 571 | mode = from_wire_mode(read_int(f)); |
1ef00d20 | 572 | |
ebec5eb6 | 573 | if (chmod_modes && !S_ISLNK(mode)) |
8bbe41b5 WD |
574 | mode = tweak_mode(mode, chmod_modes); |
575 | ||
a289addd WD |
576 | if (preserve_uid && !(flags & XMIT_SAME_UID)) |
577 | uid = (uid_t)read_int(f); | |
578 | if (preserve_gid && !(flags & XMIT_SAME_GID)) | |
579 | gid = (gid_t)read_int(f); | |
580 | ||
b5c6a6ae WD |
581 | if ((preserve_devices && IS_DEVICE(mode)) |
582 | || (preserve_specials && IS_SPECIAL(mode))) { | |
75bc8600 | 583 | if (protocol_version < 28) { |
b5c6a6ae WD |
584 | if (!(flags & XMIT_SAME_RDEV_pre28)) |
585 | rdev = (dev_t)read_int(f); | |
586 | } else { | |
9c5e91f8 WD |
587 | uint32 rdev_minor; |
588 | if (!(flags & XMIT_SAME_RDEV_MAJOR)) | |
589 | rdev_major = read_int(f); | |
590 | if (flags & XMIT_RDEV_MINOR_IS_SMALL) | |
591 | rdev_minor = read_byte(f); | |
592 | else | |
593 | rdev_minor = read_int(f); | |
594 | rdev = makedev(rdev_major, rdev_minor); | |
1ef00d20 | 595 | } |
b5c6a6ae WD |
596 | } else if (protocol_version < 28) |
597 | rdev = makedev(0, 0); | |
72914a60 | 598 | |
4f5b0756 | 599 | #ifdef SUPPORT_LINKS |
30f337c9 | 600 | if (preserve_links && S_ISLNK(mode)) { |
a289addd WD |
601 | linkname_len = read_int(f) + 1; /* count the '\0' */ |
602 | if (linkname_len <= 0 || linkname_len > MAXPATHLEN) { | |
603 | rprintf(FERROR, "overflow: linkname_len=%d\n", | |
604 | linkname_len - 1); | |
a1f99493 | 605 | overflow_exit("receive_file_entry"); |
9dd891bb | 606 | } |
72914a60 | 607 | } |
a289addd | 608 | else |
0d162bd1 | 609 | #endif |
a289addd | 610 | linkname_len = 0; |
0d162bd1 | 611 | |
a289addd WD |
612 | sum_len = always_checksum && S_ISREG(mode) ? MD4_SUM_LENGTH : 0; |
613 | ||
61dec11a | 614 | alloc_len = file_struct_len + dirname_len + basename_len |
9935066b S |
615 | + linkname_len + sum_len; |
616 | bp = pool_alloc(flist->file_pool, alloc_len, "receive_file_entry"); | |
617 | ||
f5db0993 | 618 | file = (struct file_struct *)bp; |
9935066b | 619 | memset(bp, 0, file_struct_len); |
61dec11a | 620 | bp += file_struct_len; |
a289addd | 621 | |
a289addd WD |
622 | file->modtime = modtime; |
623 | file->length = file_length; | |
624 | file->mode = mode; | |
7b6fa00f WD |
625 | file->uid = uid; |
626 | file->gid = gid; | |
a289addd | 627 | |
f3c3ed44 WD |
628 | if (dirname_len) { |
629 | file->dirname = lastdir = bp; | |
630 | lastdir_len = dirname_len - 1; | |
631 | memcpy(bp, dirname, dirname_len - 1); | |
632 | bp += dirname_len; | |
633 | bp[-1] = '\0'; | |
634 | lastdir_depth = count_dir_elements(lastdir); | |
635 | file->dir.depth = lastdir_depth + 1; | |
636 | } else if (dirname) { | |
637 | file->dirname = dirname; /* we're reusing lastname */ | |
638 | file->dir.depth = lastdir_depth + 1; | |
639 | } else | |
640 | file->dir.depth = 1; | |
641 | ||
649f8742 | 642 | if (S_ISDIR(mode)) { |
ee3751c8 | 643 | if (basename_len == 1+1 && *basename == '.') /* +1 for '\0' */ |
f3c3ed44 | 644 | file->dir.depth--; |
ee3751c8 | 645 | if (flags & XMIT_TOP_DIR) { |
75c51953 | 646 | in_del_hier = recurse; |
f3c3ed44 | 647 | del_hier_name_len = file->dir.depth == 0 ? 0 : l1 + l2; |
7a16e122 | 648 | if (relative_paths && del_hier_name_len > 2 |
9cdadbb1 WD |
649 | && lastname[del_hier_name_len-1] == '.' |
650 | && lastname[del_hier_name_len-2] == '/') | |
7a16e122 | 651 | del_hier_name_len -= 2; |
ee3751c8 WD |
652 | file->flags |= FLAG_TOP_DIR | FLAG_DEL_HERE; |
653 | } else if (in_del_hier) { | |
f3c3ed44 WD |
654 | if (!relative_paths || !del_hier_name_len |
655 | || (l1 >= del_hier_name_len | |
9cdadbb1 | 656 | && lastname[del_hier_name_len] == '/')) |
ee3751c8 | 657 | file->flags |= FLAG_DEL_HERE; |
649f8742 WD |
658 | else |
659 | in_del_hier = 0; | |
660 | } | |
661 | } | |
662 | ||
a289addd WD |
663 | file->basename = bp; |
664 | memcpy(bp, basename, basename_len); | |
665 | bp += basename_len; | |
666 | ||
b5c6a6ae WD |
667 | if ((preserve_devices && IS_DEVICE(mode)) |
668 | || (preserve_specials && IS_SPECIAL(mode))) | |
a289addd WD |
669 | file->u.rdev = rdev; |
670 | ||
4f5b0756 | 671 | #ifdef SUPPORT_LINKS |
a289addd WD |
672 | if (linkname_len) { |
673 | file->u.link = bp; | |
674 | read_sbuf(f, bp, linkname_len - 1); | |
675 | if (sanitize_paths) | |
33ffd7c3 | 676 | sanitize_path(bp, bp, "", lastdir_depth); |
a289addd WD |
677 | bp += linkname_len; |
678 | } | |
679 | #endif | |
680 | ||
4f5b0756 | 681 | #ifdef SUPPORT_HARD_LINKS |
9935066b S |
682 | if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode)) |
683 | flags |= XMIT_HAS_IDEV_DATA; | |
97a67bdf | 684 | if (flags & XMIT_HAS_IDEV_DATA) { |
1490812a | 685 | int64 inode; |
4124540d WD |
686 | if (protocol_version < 26) { |
687 | dev = read_int(f); | |
9935066b | 688 | inode = read_int(f); |
736a6a29 | 689 | } else { |
4124540d WD |
690 | if (!(flags & XMIT_SAME_DEV)) |
691 | dev = read_longint(f); | |
9935066b S |
692 | inode = read_longint(f); |
693 | } | |
694 | if (flist->hlink_pool) { | |
5bf63a11 S |
695 | file->link_u.idev = pool_talloc(flist->hlink_pool, |
696 | struct idev, 1, "inode_table"); | |
9935066b S |
697 | file->F_INODE = inode; |
698 | file->F_DEV = dev; | |
736a6a29 | 699 | } |
72914a60 | 700 | } |
dc5ddbcc | 701 | #endif |
ebed4c3a | 702 | |
9a4a237e | 703 | if (always_checksum && (sum_len || protocol_version < 28)) { |
7c4f063b | 704 | char *sum; |
a289addd WD |
705 | if (sum_len) { |
706 | file->u.sum = sum = bp; | |
707 | /*bp += sum_len;*/ | |
9a4a237e | 708 | } else { |
fea4db62 | 709 | /* Prior to 28, we get a useless set of nulls. */ |
7c4f063b | 710 | sum = empty_sum; |
fea4db62 | 711 | } |
7752df41 | 712 | read_buf(f, sum, checksum_len); |
72914a60 | 713 | } |
ebed4c3a | 714 | |
72914a60 | 715 | if (!preserve_perms) { |
72914a60 | 716 | /* set an appropriate set of permissions based on original |
fea4db62 | 717 | * permissions and umask. This emulates what GNU cp does */ |
72914a60 AT |
718 | file->mode &= ~orig_umask; |
719 | } | |
f5db0993 WD |
720 | |
721 | return file; | |
c627d613 AT |
722 | } |
723 | ||
db719fb0 MP |
724 | /** |
725 | * Create a file_struct for a named file by reading its stat() | |
726 | * information and performing extensive checks against global | |
727 | * options. | |
728 | * | |
729 | * @return the new file, or NULL if there was an error or this file | |
730 | * should be excluded. | |
731 | * | |
732 | * @todo There is a small optimization opportunity here to avoid | |
733 | * stat()ing the file in some circumstances, which has a certain cost. | |
734 | * We are called immediately after doing readdir(), and so we may | |
735 | * already know the d_type of the file. We could for example avoid | |
736 | * statting directories if we're not recursing, but this is not a very | |
737 | * important case. Some systems may not have d_type. | |
738 | **/ | |
314f4591 | 739 | struct file_struct *make_file(char *fname, struct file_list *flist, |
96b87581 WD |
740 | STRUCT_STAT *stp, unsigned short flags, |
741 | int filter_level) | |
c627d613 | 742 | { |
a289addd WD |
743 | static char *lastdir; |
744 | static int lastdir_len = -1; | |
3ec4dd97 | 745 | struct file_struct *file; |
bcacc18b | 746 | STRUCT_STAT st; |
3ec4dd97 | 747 | char sum[SUM_LENGTH]; |
1923b1fc | 748 | char thisname[MAXPATHLEN]; |
e0870f1d | 749 | char linkname[MAXPATHLEN]; |
a1d55ad0 | 750 | int alloc_len, basename_len, dirname_len, linkname_len, sum_len; |
a289addd | 751 | char *basename, *dirname, *bp; |
3ec4dd97 | 752 | |
d508258a | 753 | if (!flist || !flist->count) /* Ignore lastdir when invalid. */ |
7de2483f | 754 | lastdir_len = -1; |
9935066b | 755 | |
1923b1fc WD |
756 | if (strlcpy(thisname, fname, sizeof thisname) |
757 | >= sizeof thisname - flist_dir_len) { | |
0ee6ca98 | 758 | rprintf(FINFO, "skipping overly long name: %s\n", fname); |
882e6893 WD |
759 | return NULL; |
760 | } | |
58b1999e | 761 | clean_fname(thisname, 0); |
b7736c79 | 762 | if (sanitize_paths) |
33ffd7c3 | 763 | sanitize_path(thisname, thisname, "", 0); |
3ec4dd97 | 764 | |
ebed4c3a | 765 | memset(sum, 0, SUM_LENGTH); |
3ec4dd97 | 766 | |
ede1f0eb WD |
767 | if (stp && S_ISDIR(stp->st_mode)) |
768 | st = *stp; /* Needed for "symlink/." with --relative. */ | |
769 | else if (readlink_stat(thisname, &st, linkname) != 0) { | |
76e26e10 | 770 | int save_errno = errno; |
a4a7e64c | 771 | /* See if file is excluded before reporting an error. */ |
7842418b WD |
772 | if (filter_level != NO_FILTERS |
773 | && is_excluded(thisname, 0, filter_level)) | |
a4a7e64c WD |
774 | return NULL; |
775 | if (save_errno == ENOENT) { | |
4f5b0756 | 776 | #ifdef SUPPORT_LINKS |
a4a7e64c WD |
777 | /* Avoid "vanished" error if symlink points nowhere. */ |
778 | if (copy_links && do_lstat(thisname, &st) == 0 | |
779 | && S_ISLNK(st.st_mode)) { | |
780 | io_error |= IOERR_GENERAL; | |
781 | rprintf(FERROR, "symlink has no referent: %s\n", | |
782 | full_fname(thisname)); | |
e5ce3bcf WD |
783 | } else |
784 | #endif | |
785 | { | |
a4a7e64c WD |
786 | enum logcode c = am_daemon && protocol_version < 28 |
787 | ? FERROR : FINFO; | |
788 | io_error |= IOERR_VANISHED; | |
789 | rprintf(c, "file has vanished: %s\n", | |
790 | full_fname(thisname)); | |
76e26e10 | 791 | } |
a4a7e64c | 792 | } else { |
a8726d2a | 793 | io_error |= IOERR_GENERAL; |
d62bcc17 WD |
794 | rsyserr(FERROR, save_errno, "readlink %s failed", |
795 | full_fname(thisname)); | |
76e26e10 | 796 | } |
3ec4dd97 AT |
797 | return NULL; |
798 | } | |
c627d613 | 799 | |
7842418b WD |
800 | /* backup.c calls us with filter_level set to NO_FILTERS. */ |
801 | if (filter_level == NO_FILTERS) | |
802 | goto skip_filters; | |
ac1a0994 | 803 | |
7e037c42 | 804 | if (S_ISDIR(st.st_mode) && !xfer_dirs) { |
0ee6ca98 | 805 | rprintf(FINFO, "skipping directory %s\n", thisname); |
3ec4dd97 AT |
806 | return NULL; |
807 | } | |
ebed4c3a | 808 | |
e90cdb8a WD |
809 | /* We only care about directories because we need to avoid recursing |
810 | * into a mount-point directory, not to avoid copying a symlinked | |
811 | * file if -L (or similar) was specified. */ | |
535737bf WD |
812 | if (one_file_system && st.st_dev != filesystem_dev |
813 | && S_ISDIR(st.st_mode)) { | |
814 | if (one_file_system > 1) { | |
815 | if (verbose > 2) { | |
816 | rprintf(FINFO, "skipping mount-point dir %s\n", | |
817 | thisname); | |
ebec5eb6 | 818 | } |
535737bf | 819 | return NULL; |
ebec5eb6 | 820 | } |
535737bf | 821 | flags |= FLAG_MOUNT_POINT; |
3b173846 | 822 | } |
ebed4c3a | 823 | |
7842418b | 824 | if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) |
76e26e10 DD |
825 | return NULL; |
826 | ||
132fcf36 | 827 | if (lp_ignore_nonreadable(module_id)) { |
4f5b0756 | 828 | #ifdef SUPPORT_LINKS |
132fcf36 WD |
829 | if (!S_ISLNK(st.st_mode)) |
830 | #endif | |
831 | if (access(thisname, R_OK) != 0) | |
832 | return NULL; | |
833 | } | |
ac1a0994 | 834 | |
97b7bff4 | 835 | skip_filters: |
ac1a0994 | 836 | |
ea847c62 WD |
837 | if (verbose > 2) { |
838 | rprintf(FINFO, "[%s] make_file(%s,*,%d)\n", | |
0ee6ca98 | 839 | who_am_i(), thisname, filter_level); |
ea847c62 | 840 | } |
ebed4c3a | 841 | |
a289addd WD |
842 | if ((basename = strrchr(thisname, '/')) != NULL) { |
843 | dirname_len = ++basename - thisname; /* counts future '\0' */ | |
844 | if (lastdir_len == dirname_len - 1 | |
845 | && strncmp(thisname, lastdir, lastdir_len) == 0) { | |
846 | dirname = lastdir; | |
847 | dirname_len = 0; /* indicates no copy is needed */ | |
848 | } else | |
849 | dirname = thisname; | |
3ec4dd97 | 850 | } else { |
a289addd WD |
851 | basename = thisname; |
852 | dirname = NULL; | |
853 | dirname_len = 0; | |
3ec4dd97 | 854 | } |
a289addd | 855 | basename_len = strlen(basename) + 1; /* count the '\0' */ |
c627d613 | 856 | |
4f5b0756 | 857 | #ifdef SUPPORT_LINKS |
a289addd WD |
858 | linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0; |
859 | #else | |
860 | linkname_len = 0; | |
861 | #endif | |
862 | ||
902f03d1 WD |
863 | sum_len = always_checksum && am_sender && S_ISREG(st.st_mode) |
864 | ? MD4_SUM_LENGTH : 0; | |
a289addd | 865 | |
61dec11a | 866 | alloc_len = file_struct_len + dirname_len + basename_len |
9935066b | 867 | + linkname_len + sum_len; |
99aaa6ca WD |
868 | if (flist) |
869 | bp = pool_alloc(flist->file_pool, alloc_len, "make_file"); | |
870 | else { | |
9935066b | 871 | if (!(bp = new_array(char, alloc_len))) |
99aaa6ca | 872 | out_of_memory("make_file"); |
9935066b S |
873 | } |
874 | ||
a289addd | 875 | file = (struct file_struct *)bp; |
9935066b | 876 | memset(bp, 0, file_struct_len); |
61dec11a | 877 | bp += file_struct_len; |
a289addd WD |
878 | |
879 | file->flags = flags; | |
3ec4dd97 AT |
880 | file->modtime = st.st_mtime; |
881 | file->length = st.st_size; | |
8bbe41b5 | 882 | file->mode = st.st_mode; |
7b6fa00f WD |
883 | file->uid = st.st_uid; |
884 | file->gid = st.st_gid; | |
0d162bd1 | 885 | |
4f5b0756 | 886 | #ifdef SUPPORT_HARD_LINKS |
9935066b S |
887 | if (flist && flist->hlink_pool) { |
888 | if (protocol_version < 28) { | |
889 | if (S_ISREG(st.st_mode)) | |
890 | file->link_u.idev = pool_talloc( | |
891 | flist->hlink_pool, struct idev, 1, | |
892 | "inode_table"); | |
893 | } else { | |
894 | if (!S_ISDIR(st.st_mode) && st.st_nlink > 1) | |
895 | file->link_u.idev = pool_talloc( | |
896 | flist->hlink_pool, struct idev, 1, | |
897 | "inode_table"); | |
898 | } | |
899 | } | |
900 | if (file->link_u.idev) { | |
61dec11a WD |
901 | file->F_DEV = st.st_dev; |
902 | file->F_INODE = st.st_ino; | |
903 | } | |
904 | #endif | |
905 | ||
a289addd WD |
906 | if (dirname_len) { |
907 | file->dirname = lastdir = bp; | |
908 | lastdir_len = dirname_len - 1; | |
909 | memcpy(bp, dirname, dirname_len - 1); | |
910 | bp += dirname_len; | |
911 | bp[-1] = '\0'; | |
912 | } else if (dirname) | |
913 | file->dirname = dirname; | |
914 | ||
915 | file->basename = bp; | |
916 | memcpy(bp, basename, basename_len); | |
917 | bp += basename_len; | |
918 | ||
4f5b0756 | 919 | #ifdef HAVE_STRUCT_STAT_ST_RDEV |
b5c6a6ae WD |
920 | if ((preserve_devices && IS_DEVICE(st.st_mode)) |
921 | || (preserve_specials && IS_SPECIAL(st.st_mode))) | |
0d162bd1 WD |
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 | 945 | int save_mode = file->mode; |
8bbe41b5 | 946 | file->mode = S_IFDIR; /* Find a directory with 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; | |
7b6fa00f WD |
952 | file->uid = st2.st_uid; |
953 | file->gid = st2.st_gid; | |
23f4587f | 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 | ||
301fb56c | 965 | static struct file_struct *send_file_name(int f, struct file_list *flist, |
ede1f0eb | 966 | char *fname, STRUCT_STAT *stp, |
96b87581 | 967 | unsigned short flags) |
c627d613 | 968 | { |
ebed4c3a MP |
969 | struct file_struct *file; |
970 | ||
96b87581 | 971 | file = make_file(fname, flist, stp, flags, |
ede1f0eb | 972 | f == -2 ? SERVER_FILTERS : ALL_FILTERS); |
37802f40 | 973 | if (!file) |
301fb56c | 974 | return NULL; |
ebed4c3a | 975 | |
ebec5eb6 | 976 | if (chmod_modes && !S_ISLNK(file->mode)) |
8bbe41b5 WD |
977 | file->mode = tweak_mode(file->mode, chmod_modes); |
978 | ||
53135fe8 | 979 | maybe_emit_filelist_progress(flist->count + flist_count_offset); |
ebed4c3a | 980 | |
d9d6bc52 | 981 | flist_expand(flist); |
ebed4c3a | 982 | |
c120ff37 | 983 | if (file->basename[0]) { |
ebed4c3a | 984 | flist->files[flist->count++] = file; |
96b87581 | 985 | send_file_entry(file, f); |
ebed4c3a | 986 | } |
301fb56c WD |
987 | return file; |
988 | } | |
ebed4c3a | 989 | |
301fb56c | 990 | static void send_if_directory(int f, struct file_list *flist, |
56f0c976 WD |
991 | struct file_struct *file, |
992 | char *fbuf, unsigned int ol) | |
301fb56c | 993 | { |
56f0c976 | 994 | char is_dot_dir = fbuf[ol-1] == '.' && (ol == 1 || fbuf[ol-2] == '/'); |
301fb56c WD |
995 | |
996 | if (S_ISDIR(file->mode) | |
5e4ff5f9 | 997 | && !(file->flags & FLAG_MOUNT_POINT) && f_name(file, fbuf)) { |
f1773e09 WD |
998 | void *save_filters; |
999 | unsigned int len = strlen(fbuf); | |
1000 | if (len > 1 && fbuf[len-1] == '/') | |
1001 | fbuf[--len] = '\0'; | |
1002 | if (len >= MAXPATHLEN - 1) { | |
1003 | io_error |= IOERR_GENERAL; | |
1004 | rprintf(FERROR, "skipping long-named directory: %s\n", | |
1005 | full_fname(fbuf)); | |
1006 | return; | |
1007 | } | |
1008 | save_filters = push_local_filters(fbuf, len); | |
1009 | send_directory(f, flist, fbuf, len); | |
1010 | pop_local_filters(save_filters); | |
56f0c976 WD |
1011 | fbuf[ol] = '\0'; |
1012 | if (is_dot_dir) | |
1013 | fbuf[ol-1] = '.'; | |
ebed4c3a | 1014 | } |
c627d613 AT |
1015 | } |
1016 | ||
301fb56c | 1017 | /* This function is normally called by the sender, but the receiving side also |
7b558d7f | 1018 | * calls it from get_dirlist() with f set to -1 so that we just construct the |
301fb56c WD |
1019 | * file list in memory without sending it over the wire. Also, get_dirlist() |
1020 | * might call this with f set to -2, which also indicates that local filter | |
1021 | * rules should be ignored. */ | |
f1773e09 | 1022 | static void send_directory(int f, struct file_list *flist, |
32cbfe7b | 1023 | char *fbuf, int len) |
c627d613 | 1024 | { |
3ec4dd97 | 1025 | struct dirent *di; |
32cbfe7b | 1026 | unsigned remainder; |
3ec4dd97 | 1027 | char *p; |
f1773e09 | 1028 | DIR *d; |
301fb56c | 1029 | int start = flist->count; |
3ec4dd97 | 1030 | |
f1773e09 | 1031 | if (!(d = opendir(fbuf))) { |
06c28400 | 1032 | io_error |= IOERR_GENERAL; |
f1773e09 | 1033 | rsyserr(FERROR, errno, "opendir %s failed", full_fname(fbuf)); |
3ec4dd97 AT |
1034 | return; |
1035 | } | |
c627d613 | 1036 | |
19b2a5d9 WD |
1037 | p = fbuf + len; |
1038 | if (len != 1 || *fbuf != '/') | |
eddd5d12 | 1039 | *p++ = '/'; |
f1773e09 | 1040 | *p = '\0'; |
32cbfe7b | 1041 | remainder = MAXPATHLEN - (p - fbuf); |
ebed4c3a | 1042 | |
6a7cc46c | 1043 | for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) { |
d6e6ecbd | 1044 | char *dname = d_name(di); |
6a7cc46c S |
1045 | if (dname[0] == '.' && (dname[1] == '\0' |
1046 | || (dname[1] == '.' && dname[2] == '\0'))) | |
3ec4dd97 | 1047 | continue; |
0ee6ca98 | 1048 | if (strlcpy(p, dname, remainder) >= remainder) { |
eddd5d12 WD |
1049 | io_error |= IOERR_GENERAL; |
1050 | rprintf(FINFO, | |
1051 | "cannot send long-named file %s\n", | |
f1773e09 | 1052 | full_fname(fbuf)); |
beaf4954 | 1053 | continue; |
eddd5d12 | 1054 | } |
0ee6ca98 | 1055 | |
ede1f0eb | 1056 | send_file_name(f, flist, fbuf, NULL, 0); |
3ec4dd97 | 1057 | } |
32cbfe7b WD |
1058 | |
1059 | fbuf[len] = '\0'; | |
1060 | ||
6a7cc46c | 1061 | if (errno) { |
06c28400 | 1062 | io_error |= IOERR_GENERAL; |
71903f60 | 1063 | rsyserr(FERROR, errno, "readdir(%s)", full_fname(fbuf)); |
6a7cc46c | 1064 | } |
c627d613 | 1065 | |
3ec4dd97 | 1066 | closedir(d); |
301fb56c WD |
1067 | |
1068 | if (recurse) { | |
1069 | int i, end = flist->count - 1; | |
1070 | for (i = start; i <= end; i++) | |
56f0c976 | 1071 | send_if_directory(f, flist, flist->files[i], fbuf, len); |
301fb56c | 1072 | } |
c627d613 AT |
1073 | } |
1074 | ||
ebed4c3a | 1075 | struct file_list *send_file_list(int f, int argc, char *argv[]) |
c627d613 | 1076 | { |
56f0c976 | 1077 | int len; |
bcacc18b | 1078 | STRUCT_STAT st; |
808c57c3 | 1079 | char *p, *dir, olddir[sizeof curr_dir]; |
ebed4c3a | 1080 | char lastpath[MAXPATHLEN] = ""; |
649d65ed | 1081 | struct file_list *flist; |
31b4d25d | 1082 | struct timeval start_tv, end_tv; |
a800434a | 1083 | int64 start_write; |
24d0fcde | 1084 | int use_ff_fd = 0; |
649d65ed | 1085 | |
134f4338 | 1086 | if (show_filelist_p()) |
1bbd10fe | 1087 | start_filelist_progress("building file list"); |
c627d613 | 1088 | |
a800434a | 1089 | start_write = stats.total_written; |
31b4d25d | 1090 | gettimeofday(&start_tv, NULL); |
a800434a | 1091 | |
134f4338 | 1092 | flist = flist_new(WITH_HLINK, "send_file_list"); |
c627d613 | 1093 | |
134f4338 WD |
1094 | io_start_buffering_out(); |
1095 | if (filesfrom_fd >= 0) { | |
1096 | if (argv[0] && !push_dir(argv[0])) { | |
1097 | rsyserr(FERROR, errno, "push_dir %s failed", | |
1098 | full_fname(argv[0])); | |
1099 | exit_cleanup(RERR_FILESELECT); | |
24d0fcde | 1100 | } |
134f4338 | 1101 | use_ff_fd = 1; |
d6dead6b AT |
1102 | } |
1103 | ||
24d0fcde | 1104 | while (1) { |
56f0c976 WD |
1105 | char fbuf[MAXPATHLEN]; |
1106 | char *fn; | |
301fb56c | 1107 | int is_dot_dir; |
c627d613 | 1108 | |
24d0fcde | 1109 | if (use_ff_fd) { |
56f0c976 | 1110 | if (read_filesfrom_line(filesfrom_fd, fbuf) == 0) |
24d0fcde | 1111 | break; |
56f0c976 | 1112 | sanitize_path(fbuf, fbuf, "", 0); |
24d0fcde WD |
1113 | } else { |
1114 | if (argc-- == 0) | |
1115 | break; | |
56f0c976 | 1116 | strlcpy(fbuf, *argv++, MAXPATHLEN); |
24d0fcde | 1117 | if (sanitize_paths) |
56f0c976 | 1118 | sanitize_path(fbuf, fbuf, "", 0); |
24d0fcde | 1119 | } |
c627d613 | 1120 | |
56f0c976 | 1121 | len = strlen(fbuf); |
1902a765 WD |
1122 | if (relative_paths) { |
1123 | /* We clean up fbuf below. */ | |
1124 | is_dot_dir = 0; | |
1125 | } else if (!len || fbuf[len - 1] == '/') { | |
56f0c976 | 1126 | if (len == 2 && fbuf[0] == '.') { |
6931c138 | 1127 | /* Turn "./" into just "." rather than "./." */ |
56f0c976 | 1128 | fbuf[1] = '\0'; |
557a35f5 | 1129 | } else { |
56f0c976 | 1130 | if (len + 1 >= MAXPATHLEN) |
a1f99493 | 1131 | overflow_exit("send_file_list"); |
56f0c976 WD |
1132 | fbuf[len++] = '.'; |
1133 | fbuf[len] = '\0'; | |
53f821f1 | 1134 | } |
301fb56c | 1135 | is_dot_dir = 1; |
56f0c976 WD |
1136 | } else if (len > 1 && fbuf[len-1] == '.' && fbuf[len-2] == '.' |
1137 | && (len == 2 || fbuf[len-3] == '/')) { | |
1138 | if (len + 2 >= MAXPATHLEN) | |
a1f99493 | 1139 | overflow_exit("send_file_list"); |
56f0c976 WD |
1140 | fbuf[len++] = '/'; |
1141 | fbuf[len++] = '.'; | |
1142 | fbuf[len] = '\0'; | |
a289f89f | 1143 | is_dot_dir = 1; |
301fb56c | 1144 | } else { |
56f0c976 WD |
1145 | is_dot_dir = fbuf[len-1] == '.' |
1146 | && (len == 1 || fbuf[len-2] == '/'); | |
649d65ed | 1147 | } |
c627d613 | 1148 | |
56f0c976 | 1149 | if (link_stat(fbuf, &st, keep_dirlinks) != 0) { |
134f4338 WD |
1150 | io_error |= IOERR_GENERAL; |
1151 | rsyserr(FERROR, errno, "link_stat %s failed", | |
56f0c976 | 1152 | full_fname(fbuf)); |
649d65ed AT |
1153 | continue; |
1154 | } | |
c627d613 | 1155 | |
7e037c42 | 1156 | if (S_ISDIR(st.st_mode) && !xfer_dirs) { |
0ee6ca98 | 1157 | rprintf(FINFO, "skipping directory %s\n", fbuf); |
649d65ed AT |
1158 | continue; |
1159 | } | |
c627d613 | 1160 | |
649d65ed | 1161 | dir = NULL; |
808c57c3 | 1162 | olddir[0] = '\0'; |
649d65ed AT |
1163 | |
1164 | if (!relative_paths) { | |
56f0c976 | 1165 | p = strrchr(fbuf, '/'); |
649d65ed | 1166 | if (p) { |
151f59f1 | 1167 | *p = '\0'; |
56f0c976 | 1168 | if (p == fbuf) |
649d65ed AT |
1169 | dir = "/"; |
1170 | else | |
56f0c976 WD |
1171 | dir = fbuf; |
1172 | len -= p - fbuf + 1; | |
1173 | fn = p + 1; | |
1174 | } else | |
1175 | fn = fbuf; | |
1902a765 WD |
1176 | } else { |
1177 | if ((p = strstr(fbuf, "/./")) != NULL) { | |
1178 | *p = '\0'; | |
1179 | if (p == fbuf) | |
1180 | dir = "/"; | |
1181 | else | |
1182 | dir = fbuf; | |
1183 | len -= p - fbuf + 3; | |
1184 | fn = p + 3; | |
1185 | } else | |
1186 | fn = fbuf; | |
1187 | /* Get rid of trailing "/" and "/.". */ | |
1188 | while (len) { | |
ede1f0eb WD |
1189 | if (fn[len - 1] == '/') { |
1190 | is_dot_dir = 1; | |
1191 | if (!--len && !dir) { | |
1192 | len++; | |
1193 | break; | |
1194 | } | |
1195 | } | |
1902a765 WD |
1196 | else if (len >= 2 && fn[len - 1] == '.' |
1197 | && fn[len - 2] == '/') { | |
ede1f0eb | 1198 | is_dot_dir = 1; |
1902a765 WD |
1199 | if (!(len -= 2) && !dir) { |
1200 | len++; | |
1201 | break; | |
1202 | } | |
1203 | } else | |
1204 | break; | |
1205 | } | |
1206 | fn[len] = '\0'; | |
1207 | /* Reject a ".." dir in the active part of the path. */ | |
ede1f0eb WD |
1208 | for (p = fn; (p = strstr(p, "..")) != NULL; p += 2) { |
1209 | if ((p[2] == '/' || p[2] == '\0') | |
1210 | && (p == fn || p[-1] == '/')) { | |
1211 | rprintf(FERROR, | |
1212 | "found \"..\" dir in relative path: %s\n", | |
1213 | fbuf); | |
1214 | exit_cleanup(RERR_SYNTAX); | |
1215 | } | |
1902a765 WD |
1216 | } |
1217 | } | |
d2ea5980 | 1218 | |
56f0c976 WD |
1219 | if (!*fn) { |
1220 | len = 1; | |
1221 | fn = "."; | |
1222 | } | |
d2ea5980 WD |
1223 | |
1224 | if (dir && *dir) { | |
1225 | static char *lastdir; | |
1226 | static int lastdir_len; | |
1227 | ||
8ad5cea3 | 1228 | strlcpy(olddir, curr_dir, sizeof olddir); |
d2ea5980 WD |
1229 | |
1230 | if (!push_dir(dir)) { | |
1231 | io_error |= IOERR_GENERAL; | |
1232 | rsyserr(FERROR, errno, "push_dir %s failed", | |
1233 | full_fname(dir)); | |
1234 | continue; | |
1235 | } | |
1236 | ||
1237 | if (lastdir && strcmp(lastdir, dir) == 0) { | |
1238 | flist_dir = lastdir; | |
1239 | flist_dir_len = lastdir_len; | |
1240 | } else { | |
1241 | flist_dir = lastdir = strdup(dir); | |
1242 | flist_dir_len = lastdir_len = strlen(dir); | |
1243 | } | |
1244 | } | |
1245 | ||
56f0c976 WD |
1246 | if (fn != fbuf) |
1247 | memmove(fbuf, fn, len + 1); | |
1248 | ||
1249 | if (implied_dirs && (p=strrchr(fbuf,'/')) && p != fbuf) { | |
151f59f1 WD |
1250 | /* Send the implied directories at the start of the |
1251 | * source spec, so we get their permissions right. */ | |
56f0c976 | 1252 | char *lp = lastpath, *slash = fbuf; |
151f59f1 | 1253 | *p = '\0'; |
2154309a WD |
1254 | /* Skip any initial directories in our path that we |
1255 | * have in common with lastpath. */ | |
56f0c976 | 1256 | for (fn = fbuf; *fn && *lp == *fn; lp++, fn++) { |
2154309a WD |
1257 | if (*fn == '/') |
1258 | slash = fn; | |
2154309a WD |
1259 | } |
1260 | *p = '/'; | |
1261 | if (fn != p || (*lp && *lp != '/')) { | |
0f57446d | 1262 | int save_copy_links = copy_links; |
7e037c42 | 1263 | int save_xfer_dirs = xfer_dirs; |
2154309a | 1264 | copy_links = copy_unsafe_links; |
7e037c42 | 1265 | xfer_dirs = 1; |
2154309a | 1266 | while ((slash = strchr(slash+1, '/')) != 0) { |
151f59f1 | 1267 | *slash = '\0'; |
ede1f0eb | 1268 | send_file_name(f, flist, fbuf, NULL, 0); |
2154309a | 1269 | *slash = '/'; |
649d65ed | 1270 | } |
0f57446d | 1271 | copy_links = save_copy_links; |
7e037c42 | 1272 | xfer_dirs = save_xfer_dirs; |
151f59f1 | 1273 | *p = '\0'; |
56f0c976 | 1274 | strlcpy(lastpath, fbuf, sizeof lastpath); |
649d65ed AT |
1275 | *p = '/'; |
1276 | } | |
1277 | } | |
ebed4c3a | 1278 | |
535737bf WD |
1279 | if (one_file_system) |
1280 | filesystem_dev = st.st_dev; | |
1281 | ||
75c51953 WD |
1282 | if (recurse || (xfer_dirs && is_dot_dir)) { |
1283 | struct file_struct *file; | |
96b87581 | 1284 | file = send_file_name(f, flist, fbuf, &st, FLAG_TOP_DIR); |
ede1f0eb | 1285 | if (file) |
56f0c976 | 1286 | send_if_directory(f, flist, file, fbuf, len); |
75c51953 | 1287 | } else |
ede1f0eb | 1288 | send_file_name(f, flist, fbuf, &st, 0); |
2bca43f6 | 1289 | |
808c57c3 | 1290 | if (olddir[0]) { |
649d65ed | 1291 | flist_dir = NULL; |
882e6893 | 1292 | flist_dir_len = 0; |
808c57c3 | 1293 | if (!pop_dir(olddir)) { |
d62bcc17 | 1294 | rsyserr(FERROR, errno, "pop_dir %s failed", |
92cdc393 | 1295 | full_fname(olddir)); |
65417579 | 1296 | exit_cleanup(RERR_FILESELECT); |
649d65ed | 1297 | } |
649d65ed | 1298 | } |
649d65ed | 1299 | } |
dc5ddbcc | 1300 | |
134f4338 WD |
1301 | gettimeofday(&end_tv, NULL); |
1302 | stats.flist_buildtime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000 | |
1303 | + (end_tv.tv_usec - start_tv.tv_usec) / 1000; | |
1304 | if (stats.flist_buildtime == 0) | |
1305 | stats.flist_buildtime = 1; | |
1306 | start_tv = end_tv; | |
31b4d25d | 1307 | |
96b87581 | 1308 | send_file_entry(NULL, f); |
c627d613 | 1309 | |
134f4338 WD |
1310 | if (show_filelist_p()) |
1311 | finish_filelist_progress(flist); | |
31b4d25d | 1312 | |
134f4338 WD |
1313 | gettimeofday(&end_tv, NULL); |
1314 | stats.flist_xfertime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000 | |
1315 | + (end_tv.tv_usec - start_tv.tv_usec) / 1000; | |
ebed4c3a | 1316 | |
7cf8e8d0 | 1317 | if (flist->hlink_pool) { |
9935066b S |
1318 | pool_destroy(flist->hlink_pool); |
1319 | flist->hlink_pool = NULL; | |
1320 | } | |
1321 | ||
f5db0993 WD |
1322 | /* Sort the list without removing any duplicates. This allows the |
1323 | * receiving side to ask for any name they like, which gives us the | |
1324 | * flexibility to change the way we unduplicate names in the future | |
1325 | * without causing a compatibility problem with older versions. */ | |
827c37f6 | 1326 | clean_flist(flist, 0, 0); |
ebed4c3a | 1327 | |
134f4338 | 1328 | send_uid_list(f); |
f6c34742 | 1329 | |
134f4338 WD |
1330 | /* send the io_error flag */ |
1331 | write_int(f, lp_ignore_errors(module_id) ? 0 : io_error); | |
6ba9279f | 1332 | |
134f4338 WD |
1333 | io_end_buffering(); |
1334 | stats.flist_size = stats.total_written - start_write; | |
1335 | stats.num_files = flist->count; | |
d6dead6b | 1336 | |
cefed3e8 | 1337 | if (verbose > 3) |
32cbfe7b | 1338 | output_flist(flist); |
cefed3e8 | 1339 | |
17faa41c | 1340 | if (verbose > 2) |
ebed4c3a | 1341 | rprintf(FINFO, "send_file_list done\n"); |
17faa41c | 1342 | |
649d65ed | 1343 | return flist; |
c627d613 AT |
1344 | } |
1345 | ||
c627d613 AT |
1346 | struct file_list *recv_file_list(int f) |
1347 | { | |
ebed4c3a | 1348 | struct file_list *flist; |
1ef00d20 | 1349 | unsigned short flags; |
ebed4c3a | 1350 | int64 start_read; |
c627d613 | 1351 | |
1bbd10fe DD |
1352 | if (show_filelist_p()) |
1353 | start_filelist_progress("receiving file list"); | |
c627d613 | 1354 | |
ebed4c3a | 1355 | start_read = stats.total_read; |
a800434a | 1356 | |
9935066b | 1357 | flist = flist_new(WITH_HLINK, "recv_file_list"); |
c627d613 | 1358 | |
ebed4c3a MP |
1359 | flist->count = 0; |
1360 | flist->malloced = 1000; | |
58cadc86 | 1361 | flist->files = new_array(struct file_struct *, flist->malloced); |
ebed4c3a MP |
1362 | if (!flist->files) |
1363 | goto oom; | |
c627d613 | 1364 | |
1ef00d20 | 1365 | while ((flags = read_byte(f)) != 0) { |
f5db0993 | 1366 | struct file_struct *file; |
dbda5fbf | 1367 | |
d9d6bc52 | 1368 | flist_expand(flist); |
c627d613 | 1369 | |
d01d15e0 | 1370 | if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS)) |
75bc8600 | 1371 | flags |= read_byte(f) << 8; |
f5db0993 | 1372 | file = receive_file_entry(flist, flags, f); |
c627d613 | 1373 | |
f5db0993 WD |
1374 | if (S_ISREG(file->mode)) |
1375 | stats.total_size += file->length; | |
c627d613 | 1376 | |
f5db0993 | 1377 | flist->files[flist->count++] = file; |
c627d613 | 1378 | |
53135fe8 | 1379 | maybe_emit_filelist_progress(flist->count); |
1bbd10fe | 1380 | |
5e4ff5f9 WD |
1381 | if (verbose > 2) { |
1382 | rprintf(FINFO, "recv_file_name(%s)\n", | |
1383 | f_name(file, NULL)); | |
1384 | } | |
ebed4c3a | 1385 | } |
f5db0993 | 1386 | receive_file_entry(NULL, 0, 0); /* Signal that we're done. */ |
c627d613 | 1387 | |
ebed4c3a MP |
1388 | if (verbose > 2) |
1389 | rprintf(FINFO, "received %d names\n", flist->count); | |
c627d613 | 1390 | |
b7736c79 | 1391 | if (show_filelist_p()) |
1bbd10fe | 1392 | finish_filelist_progress(flist); |
a06d19e3 | 1393 | |
983b1ed3 WD |
1394 | clean_flist(flist, relative_paths, 1); |
1395 | ||
37802f40 | 1396 | if (f >= 0) { |
7b6fa00f | 1397 | recv_uid_list(f, flist); |
f6c34742 | 1398 | |
b9f592fb WD |
1399 | /* Recv the io_error flag */ |
1400 | if (lp_ignore_errors(module_id) || ignore_errors) | |
1401 | read_int(f); | |
1402 | else | |
1403 | io_error |= read_int(f); | |
ebed4c3a | 1404 | } |
6ba9279f | 1405 | |
cefed3e8 | 1406 | if (verbose > 3) |
32cbfe7b | 1407 | output_flist(flist); |
cefed3e8 | 1408 | |
ebed4c3a MP |
1409 | if (list_only) { |
1410 | int i; | |
b7736c79 | 1411 | for (i = 0; i < flist->count; i++) |
ebed4c3a | 1412 | list_file_entry(flist->files[i]); |
ebed4c3a | 1413 | } |
f7632fc6 | 1414 | |
ebed4c3a MP |
1415 | if (verbose > 2) |
1416 | rprintf(FINFO, "recv_file_list done\n"); | |
17faa41c | 1417 | |
ebed4c3a MP |
1418 | stats.flist_size = stats.total_read - start_read; |
1419 | stats.num_files = flist->count; | |
a800434a | 1420 | |
ebed4c3a | 1421 | return flist; |
c627d613 | 1422 | |
97b7bff4 | 1423 | oom: |
ebed4c3a MP |
1424 | out_of_memory("recv_file_list"); |
1425 | return NULL; /* not reached */ | |
c627d613 AT |
1426 | } |
1427 | ||
14698a3a | 1428 | static int file_compare(struct file_struct **file1, struct file_struct **file2) |
c627d613 | 1429 | { |
14698a3a | 1430 | return f_name_cmp(*file1, *file2); |
c627d613 AT |
1431 | } |
1432 | ||
f5db0993 WD |
1433 | /* Search for an identically-named item in the file list. Note that the |
1434 | * items must agree in their directory-ness, or no match is returned. */ | |
2f3cad89 | 1435 | int flist_find(struct file_list *flist, struct file_struct *f) |
c627d613 | 1436 | { |
f3c3ed44 WD |
1437 | int low = flist->low, high = flist->high; |
1438 | int ret, mid, mid_up; | |
1439 | ||
1440 | while (low <= high) { | |
1441 | mid = (low + high) / 2; | |
1442 | for (mid_up = mid; !flist->files[mid_up]->basename; mid_up++) {} | |
1443 | if (mid_up <= high) | |
14698a3a | 1444 | ret = f_name_cmp(flist->files[mid_up], f); |
f3c3ed44 WD |
1445 | else |
1446 | ret = 1; | |
f5db0993 WD |
1447 | if (ret == 0) { |
1448 | if (protocol_version < 29 | |
1449 | && S_ISDIR(flist->files[mid_up]->mode) | |
1450 | != S_ISDIR(f->mode)) | |
1451 | return -1; | |
f3c3ed44 | 1452 | return mid_up; |
f5db0993 | 1453 | } |
b7736c79 | 1454 | if (ret > 0) |
f3c3ed44 | 1455 | high = mid - 1; |
b7736c79 | 1456 | else |
f3c3ed44 | 1457 | low = mid_up + 1; |
d966ee25 | 1458 | } |
d966ee25 | 1459 | return -1; |
c627d613 AT |
1460 | } |
1461 | ||
3ec4dd97 | 1462 | /* |
9935066b S |
1463 | * Free up any resources a file_struct has allocated |
1464 | * and clear the file. | |
3ec4dd97 | 1465 | */ |
9935066b | 1466 | void clear_file(int i, struct file_list *flist) |
c627d613 | 1467 | { |
9935066b S |
1468 | if (flist->hlink_pool && flist->files[i]->link_u.idev) |
1469 | pool_free(flist->hlink_pool, 0, flist->files[i]->link_u.idev); | |
1470 | memset(flist->files[i], 0, file_struct_len); | |
3ec4dd97 | 1471 | } |
c627d613 | 1472 | |
3d382777 AT |
1473 | /* |
1474 | * allocate a new file list | |
1475 | */ | |
9935066b | 1476 | struct file_list *flist_new(int with_hlink, char *msg) |
3d382777 AT |
1477 | { |
1478 | struct file_list *flist; | |
1479 | ||
58cadc86 | 1480 | flist = new(struct file_list); |
ebed4c3a | 1481 | if (!flist) |
9935066b | 1482 | out_of_memory(msg); |
3d382777 | 1483 | |
9935066b S |
1484 | memset(flist, 0, sizeof (struct file_list)); |
1485 | ||
1486 | if (!(flist->file_pool = pool_create(FILE_EXTENT, 0, | |
1487 | out_of_memory, POOL_INTERN))) | |
1488 | out_of_memory(msg); | |
1489 | ||
4f5b0756 | 1490 | #ifdef SUPPORT_HARD_LINKS |
9935066b | 1491 | if (with_hlink && preserve_hard_links) { |
3e491682 | 1492 | if (!(flist->hlink_pool = pool_create(HLINK_EXTENT, |
9935066b S |
1493 | sizeof (struct idev), out_of_memory, POOL_INTERN))) |
1494 | out_of_memory(msg); | |
1495 | } | |
1496 | #endif | |
d9d6bc52 | 1497 | |
3d382777 AT |
1498 | return flist; |
1499 | } | |
ebed4c3a | 1500 | |
3ec4dd97 AT |
1501 | /* |
1502 | * free up all elements in a flist | |
1503 | */ | |
1504 | void flist_free(struct file_list *flist) | |
1505 | { | |
9935066b S |
1506 | pool_destroy(flist->file_pool); |
1507 | pool_destroy(flist->hlink_pool); | |
3ec4dd97 | 1508 | free(flist->files); |
3ec4dd97 | 1509 | free(flist); |
c627d613 AT |
1510 | } |
1511 | ||
c627d613 AT |
1512 | /* |
1513 | * This routine ensures we don't have any duplicate names in our file list. | |
dbda5fbf | 1514 | * duplicate names can cause corruption because of the pipelining |
c627d613 | 1515 | */ |
827c37f6 | 1516 | static void clean_flist(struct file_list *flist, int strip_root, int no_dups) |
c627d613 | 1517 | { |
6931c138 | 1518 | int i, prev_i = 0; |
c627d613 | 1519 | |
910ee8c9 WD |
1520 | if (!flist) |
1521 | return; | |
1522 | if (flist->count == 0) { | |
1523 | flist->high = -1; | |
3ec4dd97 | 1524 | return; |
910ee8c9 | 1525 | } |
3ec4dd97 | 1526 | |
ebed4c3a | 1527 | qsort(flist->files, flist->count, |
a4a7e64c | 1528 | sizeof flist->files[0], (int (*)())file_compare); |
ebed4c3a | 1529 | |
827c37f6 | 1530 | for (i = no_dups? 0 : flist->count; i < flist->count; i++) { |
b91b50c0 | 1531 | if (flist->files[i]->basename) { |
6931c138 | 1532 | prev_i = i; |
b91b50c0 WD |
1533 | break; |
1534 | } | |
1535 | } | |
f3c3ed44 | 1536 | flist->low = prev_i; |
b91b50c0 | 1537 | while (++i < flist->count) { |
fe1c19dc | 1538 | int j; |
f5db0993 WD |
1539 | struct file_struct *file = flist->files[i]; |
1540 | ||
1541 | if (!file->basename) | |
b91b50c0 | 1542 | continue; |
fe1c19dc WD |
1543 | if (f_name_cmp(file, flist->files[prev_i]) == 0) |
1544 | j = prev_i; | |
1545 | else if (protocol_version >= 29 && S_ISDIR(file->mode)) { | |
f5db0993 WD |
1546 | int save_mode = file->mode; |
1547 | /* Make sure that this directory doesn't duplicate a | |
1548 | * non-directory earlier in the list. */ | |
f5db0993 | 1549 | flist->high = prev_i; |
fe1c19dc WD |
1550 | file->mode = S_IFREG; |
1551 | j = flist_find(flist, file); | |
f5db0993 | 1552 | file->mode = save_mode; |
fe1c19dc WD |
1553 | } else |
1554 | j = -1; | |
1555 | if (j >= 0) { | |
1556 | struct file_struct *fp = flist->files[j]; | |
1557 | int keep, drop; | |
1558 | /* If one is a dir and the other is not, we want to | |
1559 | * keep the dir because it might have contents in the | |
1560 | * list. */ | |
1561 | if (S_ISDIR(file->mode) != S_ISDIR(fp->mode)) { | |
1562 | if (S_ISDIR(file->mode)) | |
1563 | keep = i, drop = j; | |
1564 | else | |
1565 | keep = j, drop = i; | |
1566 | } else | |
1567 | keep = j, drop = i; | |
b91b50c0 | 1568 | if (verbose > 1 && !am_server) { |
ebed4c3a | 1569 | rprintf(FINFO, |
fe1c19dc | 1570 | "removing duplicate name %s from file list (%d)\n", |
5e4ff5f9 | 1571 | f_name(file, NULL), drop); |
b91b50c0 | 1572 | } |
6931c138 | 1573 | /* Make sure that if we unduplicate '.', that we don't |
ee3751c8 | 1574 | * lose track of a user-specified top directory. */ |
0f0b2e66 WD |
1575 | flist->files[keep]->flags |= flist->files[drop]->flags |
1576 | & (FLAG_TOP_DIR|FLAG_DEL_HERE); | |
fe1c19dc WD |
1577 | |
1578 | clear_file(drop, flist); | |
9935066b | 1579 | |
fe1c19dc WD |
1580 | if (keep == i) { |
1581 | if (flist->low == drop) { | |
1582 | for (j = drop + 1; | |
1583 | j < i && !flist->files[j]->basename; | |
1584 | j++) {} | |
1585 | flist->low = j; | |
1586 | } | |
1587 | prev_i = i; | |
1588 | } | |
728d0922 | 1589 | } else |
6931c138 | 1590 | prev_i = i; |
3ec4dd97 | 1591 | } |
f5db0993 | 1592 | flist->high = no_dups ? prev_i : flist->count - 1; |
0199b05f AT |
1593 | |
1594 | if (strip_root) { | |
f5db0993 WD |
1595 | /* We need to strip off the leading slashes for relative |
1596 | * paths, but this must be done _after_ the sorting phase. */ | |
1597 | for (i = flist->low; i <= flist->high; i++) { | |
1598 | struct file_struct *file = flist->files[i]; | |
ebed4c3a | 1599 | |
f5db0993 WD |
1600 | if (!file->dirname) |
1601 | continue; | |
1602 | if (*file->dirname == '/') { | |
1603 | char *s = file->dirname + 1; | |
1604 | while (*s == '/') s++; | |
1605 | memmove(file->dirname, s, strlen(s) + 1); | |
0199b05f | 1606 | } |
f5db0993 WD |
1607 | |
1608 | if (!*file->dirname) | |
1609 | file->dirname = NULL; | |
0199b05f AT |
1610 | } |
1611 | } | |
cefed3e8 | 1612 | } |
0199b05f | 1613 | |
32cbfe7b | 1614 | static void output_flist(struct file_list *flist) |
cefed3e8 | 1615 | { |
f3c3ed44 | 1616 | char uidbuf[16], gidbuf[16], depthbuf[16]; |
cefed3e8 | 1617 | struct file_struct *file; |
32cbfe7b | 1618 | const char *who = who_am_i(); |
cefed3e8 | 1619 | int i; |
0199b05f | 1620 | |
ebed4c3a | 1621 | for (i = 0; i < flist->count; i++) { |
cefed3e8 | 1622 | file = flist->files[i]; |
56194bcd | 1623 | if ((am_root || am_sender) && preserve_uid) |
7b6fa00f | 1624 | sprintf(uidbuf, " uid=%ld", (long)file->uid); |
f05f993e WD |
1625 | else |
1626 | *uidbuf = '\0'; | |
7b6fa00f WD |
1627 | if (preserve_gid && file->gid != GID_NONE) |
1628 | sprintf(gidbuf, " gid=%ld", (long)file->gid); | |
f05f993e WD |
1629 | else |
1630 | *gidbuf = '\0'; | |
f3c3ed44 WD |
1631 | if (!am_sender) |
1632 | sprintf(depthbuf, "%d", file->dir.depth); | |
14698a3a | 1633 | rprintf(FINFO, "[%s] i=%d %s %s%s%s%s mode=0%o len=%.0f%s%s flags=%x\n", |
32cbfe7b | 1634 | who, i, am_sender ? NS(file->dir.root) : depthbuf, |
0ee6ca98 | 1635 | file->dirname ? file->dirname : "", |
14698a3a WD |
1636 | file->dirname ? "/" : "", NS(file->basename), |
1637 | S_ISDIR(file->mode) ? "/" : "", (int)file->mode, | |
f3c3ed44 | 1638 | (double)file->length, uidbuf, gidbuf, file->flags); |
0199b05f | 1639 | } |
3ec4dd97 AT |
1640 | } |
1641 | ||
8824e2ce | 1642 | enum fnc_state { s_DIR, s_SLASH, s_BASE, s_TRAILING }; |
f5db0993 | 1643 | enum fnc_type { t_PATH, t_ITEM }; |
8018edd3 | 1644 | |
2f3cad89 | 1645 | /* Compare the names of two file_struct entities, similar to how strcmp() |
f5db0993 WD |
1646 | * would do if it were operating on the joined strings. |
1647 | * | |
1648 | * Some differences beginning with protocol_version 29: (1) directory names | |
1649 | * are compared with an assumed trailing slash so that they compare in a | |
1650 | * way that would cause them to sort immediately prior to any content they | |
1651 | * may have; (2) a directory of any name compares after a non-directory of | |
1652 | * any name at the same depth; (3) a directory with name "." compares prior | |
1653 | * to anything else. These changes mean that a directory and a non-dir | |
1654 | * with the same name will not compare as equal (protocol_version >= 29). | |
1655 | * | |
1656 | * The dirname component can be an empty string, but the basename component | |
1657 | * cannot (and never is in the current codebase). The basename component | |
1658 | * may be NULL (for a removed item), in which case it is considered to be | |
1659 | * after any existing item. */ | |
8018edd3 | 1660 | int f_name_cmp(struct file_struct *f1, struct file_struct *f2) |
3ec4dd97 | 1661 | { |
8018edd3 WD |
1662 | int dif; |
1663 | const uchar *c1, *c2; | |
1ef00d20 | 1664 | enum fnc_state state1, state2; |
f5db0993 WD |
1665 | enum fnc_type type1, type2; |
1666 | enum fnc_type t_path = protocol_version >= 29 ? t_PATH : t_ITEM; | |
8018edd3 WD |
1667 | |
1668 | if (!f1 || !f1->basename) { | |
1669 | if (!f2 || !f2->basename) | |
1670 | return 0; | |
1671 | return -1; | |
1672 | } | |
1673 | if (!f2 || !f2->basename) | |
1674 | return 1; | |
1675 | ||
14698a3a WD |
1676 | c1 = (uchar*)f1->dirname; |
1677 | c2 = (uchar*)f2->dirname; | |
1678 | if (c1 == c2) | |
1679 | c1 = c2 = NULL; | |
1680 | if (!c1) { | |
f5db0993 | 1681 | type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM; |
e90b8ace | 1682 | c1 = (uchar*)f1->basename; |
f5db0993 WD |
1683 | if (type1 == t_PATH && *c1 == '.' && !c1[1]) { |
1684 | type1 = t_ITEM; | |
1685 | state1 = s_TRAILING; | |
1686 | c1 = (uchar*)""; | |
1687 | } else | |
1688 | state1 = s_BASE; | |
080ddf58 | 1689 | } else if (!*c1) { |
f5db0993 | 1690 | type1 = t_path; |
8824e2ce | 1691 | state1 = s_SLASH; |
080ddf58 | 1692 | c1 = (uchar*)"/"; |
f5db0993 WD |
1693 | } else { |
1694 | type1 = t_path; | |
8824e2ce | 1695 | state1 = s_DIR; |
f5db0993 | 1696 | } |
14698a3a | 1697 | if (!c2) { |
f5db0993 | 1698 | type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM; |
e90b8ace | 1699 | c2 = (uchar*)f2->basename; |
f5db0993 WD |
1700 | if (type2 == t_PATH && *c2 == '.' && !c2[1]) { |
1701 | type2 = t_ITEM; | |
1702 | state2 = s_TRAILING; | |
1703 | c2 = (uchar*)""; | |
1704 | } else | |
1705 | state2 = s_BASE; | |
080ddf58 | 1706 | } else if (!*c2) { |
f5db0993 | 1707 | type2 = t_path; |
8824e2ce | 1708 | state2 = s_SLASH; |
080ddf58 | 1709 | c2 = (uchar*)"/"; |
f5db0993 WD |
1710 | } else { |
1711 | type2 = t_path; | |
8824e2ce | 1712 | state2 = s_DIR; |
f5db0993 WD |
1713 | } |
1714 | ||
1715 | if (type1 != type2) | |
1716 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 WD |
1717 | |
1718 | while (1) { | |
f5db0993 | 1719 | if ((dif = (int)*c1++ - (int)*c2++) != 0) |
8018edd3 | 1720 | break; |
f5db0993 | 1721 | if (!*c1) { |
8018edd3 | 1722 | switch (state1) { |
8824e2ce WD |
1723 | case s_DIR: |
1724 | state1 = s_SLASH; | |
e90b8ace | 1725 | c1 = (uchar*)"/"; |
8018edd3 | 1726 | break; |
8824e2ce | 1727 | case s_SLASH: |
f5db0993 | 1728 | type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM; |
e90b8ace | 1729 | c1 = (uchar*)f1->basename; |
cbb5fa4f WD |
1730 | if (type1 == t_PATH && *c1 == '.' && !c1[1]) { |
1731 | type1 = t_ITEM; | |
1732 | state1 = s_TRAILING; | |
1733 | c1 = (uchar*)""; | |
1734 | } else | |
1735 | state1 = s_BASE; | |
8018edd3 | 1736 | break; |
8824e2ce WD |
1737 | case s_BASE: |
1738 | state1 = s_TRAILING; | |
f5db0993 | 1739 | if (type1 == t_PATH) { |
2f3cad89 | 1740 | c1 = (uchar*)"/"; |
f5db0993 WD |
1741 | break; |
1742 | } | |
1743 | /* FALL THROUGH */ | |
8824e2ce | 1744 | case s_TRAILING: |
f5db0993 | 1745 | type1 = t_ITEM; |
8018edd3 WD |
1746 | break; |
1747 | } | |
f5db0993 WD |
1748 | if (*c2 && type1 != type2) |
1749 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 | 1750 | } |
f5db0993 | 1751 | if (!*c2) { |
8018edd3 | 1752 | switch (state2) { |
8824e2ce WD |
1753 | case s_DIR: |
1754 | state2 = s_SLASH; | |
e90b8ace | 1755 | c2 = (uchar*)"/"; |
8018edd3 | 1756 | break; |
8824e2ce | 1757 | case s_SLASH: |
f5db0993 | 1758 | type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM; |
e90b8ace | 1759 | c2 = (uchar*)f2->basename; |
cbb5fa4f WD |
1760 | if (type2 == t_PATH && *c2 == '.' && !c2[1]) { |
1761 | type2 = t_ITEM; | |
1762 | state2 = s_TRAILING; | |
1763 | c2 = (uchar*)""; | |
1764 | } else | |
1765 | state2 = s_BASE; | |
8018edd3 | 1766 | break; |
8824e2ce | 1767 | case s_BASE: |
8824e2ce | 1768 | state2 = s_TRAILING; |
f5db0993 | 1769 | if (type2 == t_PATH) { |
2f3cad89 | 1770 | c2 = (uchar*)"/"; |
f5db0993 WD |
1771 | break; |
1772 | } | |
1773 | /* FALL THROUGH */ | |
8824e2ce | 1774 | case s_TRAILING: |
f5db0993 WD |
1775 | if (!*c1) |
1776 | return 0; | |
1777 | type2 = t_ITEM; | |
8018edd3 WD |
1778 | break; |
1779 | } | |
f5db0993 WD |
1780 | if (type1 != type2) |
1781 | return type1 == t_PATH ? 1 : -1; | |
8018edd3 WD |
1782 | } |
1783 | } | |
1784 | ||
1785 | return dif; | |
1786 | } | |
1787 | ||
8018edd3 | 1788 | /* Return a copy of the full filename of a flist entry, using the indicated |
5e4ff5f9 WD |
1789 | * buffer or one of 5 static buffers if fbuf is NULL. No size-checking is |
1790 | * done because we checked the size when creating the file_struct entry. | |
8018edd3 | 1791 | */ |
5e4ff5f9 | 1792 | char *f_name(struct file_struct *f, char *fbuf) |
8018edd3 | 1793 | { |
ebed4c3a MP |
1794 | if (!f || !f->basename) |
1795 | return NULL; | |
3ec4dd97 | 1796 | |
5e4ff5f9 WD |
1797 | if (!fbuf) { |
1798 | static char names[5][MAXPATHLEN]; | |
1799 | static unsigned int n; | |
1800 | ||
1801 | n = (n + 1) % (sizeof names / sizeof names[0]); | |
1802 | ||
1803 | fbuf = names[n]; | |
1804 | } | |
1805 | ||
3ec4dd97 | 1806 | if (f->dirname) { |
882e6893 WD |
1807 | int len = strlen(f->dirname); |
1808 | memcpy(fbuf, f->dirname, len); | |
1809 | fbuf[len] = '/'; | |
1810 | strcpy(fbuf + len + 1, f->basename); | |
8018edd3 | 1811 | } else |
882e6893 | 1812 | strcpy(fbuf, f->basename); |
0ee6ca98 | 1813 | |
b7736c79 | 1814 | return fbuf; |
8018edd3 | 1815 | } |
e03dfae5 | 1816 | |
32cbfe7b WD |
1817 | /* Do a non-recursive scan of the named directory, possibly ignoring all |
1818 | * exclude rules except for the daemon's. If "dlen" is >=0, it is the length | |
1819 | * of the dirname string, and also indicates that "dirname" is a MAXPATHLEN | |
1820 | * buffer (the functions we call will append names onto the end, but the old | |
1821 | * dir value will be restored on exit). */ | |
1822 | struct file_list *get_dirlist(char *dirname, int dlen, | |
1823 | int ignore_filter_rules) | |
37802f40 WD |
1824 | { |
1825 | struct file_list *dirlist; | |
1826 | char dirbuf[MAXPATHLEN]; | |
37802f40 WD |
1827 | int save_recurse = recurse; |
1828 | ||
32cbfe7b WD |
1829 | if (dlen < 0) { |
1830 | dlen = strlcpy(dirbuf, dirname, MAXPATHLEN); | |
1831 | if (dlen >= MAXPATHLEN) | |
1832 | return NULL; | |
1833 | dirname = dirbuf; | |
1834 | } | |
37802f40 WD |
1835 | |
1836 | dirlist = flist_new(WITHOUT_HLINK, "get_dirlist"); | |
32cbfe7b | 1837 | |
37802f40 | 1838 | recurse = 0; |
32cbfe7b | 1839 | send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen); |
37802f40 | 1840 | recurse = save_recurse; |
53135fe8 WD |
1841 | if (do_progress) |
1842 | flist_count_offset += dirlist->count; | |
37802f40 | 1843 | |
564ef546 WD |
1844 | clean_flist(dirlist, 0, 0); |
1845 | ||
45478cc7 | 1846 | if (verbose > 3) |
32cbfe7b | 1847 | output_flist(dirlist); |
45478cc7 | 1848 | |
32cbfe7b | 1849 | return dirlist; |
45478cc7 | 1850 | } |