Commit | Line | Data |
---|---|---|
ef1aa910 | 1 | /* -*- c-file-style: "linux" -*- |
91262d5d MP |
2 | |
3 | rsync -- fast file replication program | |
2cda2560 WD |
4 | |
5 | Copyright (C) 1996-2000 by Andrew Tridgell | |
2f03f956 | 6 | Copyright (C) Paul Mackerras 1996 |
91262d5d | 7 | Copyright (C) 2002 by Martin Pool <mbp@samba.org> |
2cda2560 | 8 | |
2f03f956 AT |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
2cda2560 | 13 | |
2f03f956 AT |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
2cda2560 | 18 | |
2f03f956 AT |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | */ | |
23 | ||
24 | #include "rsync.h" | |
25 | ||
26 | extern int verbose; | |
27 | extern int dry_run; | |
28 | extern int relative_paths; | |
716e73d4 | 29 | extern int keep_dirlinks; |
2f03f956 AT |
30 | extern int preserve_links; |
31 | extern int am_root; | |
32 | extern int preserve_devices; | |
33 | extern int preserve_hard_links; | |
6744b62d WD |
34 | extern int preserve_perms; |
35 | extern int preserve_uid; | |
36 | extern int preserve_gid; | |
2f03f956 | 37 | extern int update_only; |
3d6feada | 38 | extern int opt_ignore_existing; |
2f03f956 AT |
39 | extern int csum_length; |
40 | extern int ignore_times; | |
f83f0548 | 41 | extern int size_only; |
2f03f956 | 42 | extern int io_timeout; |
d04e9c51 | 43 | extern int protocol_version; |
2f03f956 | 44 | extern int always_checksum; |
60c8d7bc | 45 | extern char *compare_dest; |
59c95e42 | 46 | extern int link_dest; |
5774786f WD |
47 | extern int whole_file; |
48 | extern int local_server; | |
5774786f WD |
49 | extern int list_only; |
50 | extern int only_existing; | |
51 | extern int orig_umask; | |
52 | extern int safe_symlinks; | |
ec8290c8 | 53 | extern unsigned int block_size; |
2f03f956 | 54 | |
97f9dcae WD |
55 | extern struct exclude_list_struct server_exclude_list; |
56 | ||
2f03f956 AT |
57 | |
58 | /* choose whether to skip a particular file */ | |
dfd5ba6a | 59 | static int skip_file(char *fname, struct file_struct *file, STRUCT_STAT *st) |
2f03f956 | 60 | { |
cc1e997d | 61 | if (st->st_size != file->length) |
84acca07 | 62 | return 0; |
59c95e42 | 63 | if (link_dest) { |
e7bc9b64 | 64 | if (preserve_perms |
67e78a82 | 65 | && (st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS)) |
84acca07 | 66 | return 0; |
bb24028f | 67 | |
6744b62d | 68 | if (am_root && preserve_uid && st->st_uid != file->uid) |
84acca07 | 69 | return 0; |
bb24028f | 70 | |
a60e2dca S |
71 | if (preserve_gid && file->gid != GID_NONE |
72 | && st->st_gid != file->gid) | |
84acca07 | 73 | return 0; |
59c95e42 DD |
74 | } |
75 | ||
2cda2560 | 76 | /* if always checksum is set then we use the checksum instead |
2f03f956 AT |
77 | of the file time to determine whether to sync */ |
78 | if (always_checksum && S_ISREG(st->st_mode)) { | |
79 | char sum[MD4_SUM_LENGTH]; | |
60c8d7bc DD |
80 | char fnamecmpdest[MAXPATHLEN]; |
81 | ||
82 | if (compare_dest != NULL) { | |
83 | if (access(fname, 0) != 0) { | |
248ed45f WD |
84 | pathjoin(fnamecmpdest, sizeof fnamecmpdest, |
85 | compare_dest, fname); | |
60c8d7bc DD |
86 | fname = fnamecmpdest; |
87 | } | |
88 | } | |
2f03f956 | 89 | file_checksum(fname,sum,st->st_size); |
728d0922 | 90 | return memcmp(sum, file->u.sum, protocol_version < 21 ? 2 |
84acca07 | 91 | : MD4_SUM_LENGTH) == 0; |
2f03f956 AT |
92 | } |
93 | ||
cc1e997d | 94 | if (size_only) |
84acca07 | 95 | return 1; |
2f03f956 | 96 | |
cc1e997d | 97 | if (ignore_times) |
84acca07 | 98 | return 0; |
cc1e997d | 99 | |
84acca07 | 100 | return cmp_modtime(st->st_mtime, file->modtime) == 0; |
2f03f956 AT |
101 | } |
102 | ||
103 | ||
2f03f956 | 104 | /* |
0e36d9da | 105 | * NULL sum_struct means we have no checksums |
195bd906 | 106 | */ |
fc0257c9 | 107 | void write_sum_head(int f, struct sum_struct *sum) |
2f03f956 | 108 | { |
fc0257c9 S |
109 | static struct sum_struct null_sum; |
110 | ||
c338460d | 111 | if (sum == NULL) |
fc0257c9 S |
112 | sum = &null_sum; |
113 | ||
114 | write_int(f, sum->count); | |
115 | write_int(f, sum->blength); | |
d04e9c51 | 116 | if (protocol_version >= 27) |
fc0257c9 S |
117 | write_int(f, sum->s2length); |
118 | write_int(f, sum->remainder); | |
2f03f956 AT |
119 | } |
120 | ||
ec8290c8 | 121 | /* |
195bd906 | 122 | * set (initialize) the size entries in the per-file sum_struct |
ec8290c8 | 123 | * calculating dynamic block and checksum sizes. |
195bd906 | 124 | * |
ec8290c8 | 125 | * This is only called from generate_and_send_sums() but is a separate |
195bd906 S |
126 | * function to encapsulate the logic. |
127 | * | |
128 | * The block size is a rounded square root of file length. | |
129 | * | |
130 | * The checksum size is determined according to: | |
131 | * blocksum_bits = BLOCKSUM_EXP + 2*log2(file_len) - log2(block_len) | |
132 | * provided by Donovan Baarda which gives a probability of rsync | |
133 | * algorithm corrupting data and falling back using the whole md4 | |
134 | * checksums. | |
135 | * | |
136 | * This might be made one of several selectable heuristics. | |
137 | */ | |
bceec82f | 138 | |
423dba8e | 139 | static void sum_sizes_sqroot(struct sum_struct *sum, uint64 len) |
195bd906 | 140 | { |
da9d12f5 WD |
141 | unsigned int blength; |
142 | int s2length; | |
195bd906 S |
143 | uint32 c; |
144 | uint64 l; | |
145 | ||
146 | if (block_size) { | |
147 | blength = block_size; | |
148 | } else if (len <= BLOCK_SIZE * BLOCK_SIZE) { | |
149 | blength = BLOCK_SIZE; | |
150 | } else { | |
151 | l = len; | |
152 | c = 1; | |
153 | while (l >>= 2) { | |
154 | c <<= 1; | |
155 | } | |
156 | blength = 0; | |
157 | do { | |
158 | blength |= c; | |
fb55e28d | 159 | if (len < (uint64)blength * blength) |
195bd906 S |
160 | blength &= ~c; |
161 | c >>= 1; | |
162 | } while (c >= 8); /* round to multiple of 8 */ | |
163 | blength = MAX(blength, BLOCK_SIZE); | |
164 | } | |
165 | ||
d04e9c51 | 166 | if (protocol_version < 27) { |
195bd906 S |
167 | s2length = csum_length; |
168 | } else if (csum_length == SUM_LENGTH) { | |
169 | s2length = SUM_LENGTH; | |
170 | } else { | |
da9d12f5 | 171 | int b = BLOCKSUM_BIAS; |
195bd906 S |
172 | l = len; |
173 | while (l >>= 1) { | |
174 | b += 2; | |
175 | } | |
176 | c = blength; | |
177 | while (c >>= 1 && b) { | |
178 | b--; | |
179 | } | |
180 | s2length = (b + 1 - 32 + 7) / 8; /* add a bit, | |
181 | * subtract rollsum, | |
182 | * round up | |
183 | * --optimize in compiler-- | |
184 | */ | |
185 | s2length = MAX(s2length, csum_length); | |
186 | s2length = MIN(s2length, SUM_LENGTH); | |
187 | } | |
188 | ||
189 | sum->flength = len; | |
190 | sum->blength = blength; | |
191 | sum->s2length = s2length; | |
192 | sum->count = (len + (blength - 1)) / blength; | |
193 | sum->remainder = (len % blength); | |
194 | ||
195 | if (sum->count && verbose > 2) { | |
0e36d9da WD |
196 | rprintf(FINFO, "count=%.0f rem=%u blength=%u s2length=%d flength=%.0f\n", |
197 | (double)sum->count, sum->remainder, sum->blength, | |
da9d12f5 | 198 | sum->s2length, (double)sum->flength); |
195bd906 S |
199 | } |
200 | } | |
80605142 | 201 | |
bceec82f | 202 | |
80605142 WD |
203 | /* |
204 | * Generate and send a stream of signatures/checksums that describe a buffer | |
e66dfd18 | 205 | * |
80605142 WD |
206 | * Generate approximately one checksum every block_len bytes. |
207 | */ | |
2990e06f | 208 | static void generate_and_send_sums(struct map_struct *buf, size_t len, int f_out) |
2f03f956 | 209 | { |
80605142 WD |
210 | size_t i; |
211 | struct sum_struct sum; | |
2f03f956 AT |
212 | OFF_T offset = 0; |
213 | ||
423dba8e | 214 | sum_sizes_sqroot(&sum, len); |
e66dfd18 | 215 | |
fc0257c9 | 216 | write_sum_head(f_out, &sum); |
2f03f956 | 217 | |
80605142 | 218 | for (i = 0; i < sum.count; i++) { |
0e36d9da | 219 | unsigned int n1 = MIN(len, sum.blength); |
e66dfd18 | 220 | char *map = map_ptr(buf, offset, n1); |
80605142 WD |
221 | uint32 sum1 = get_checksum1(map, n1); |
222 | char sum2[SUM_LENGTH]; | |
2f03f956 | 223 | |
80605142 | 224 | get_checksum2(map, n1, sum2); |
2f03f956 | 225 | |
80605142 | 226 | if (verbose > 3) { |
e66dfd18 | 227 | rprintf(FINFO, |
0e36d9da WD |
228 | "chunk[%.0f] offset=%.0f len=%u sum1=%08lx\n", |
229 | (double)i, (double)offset, n1, | |
230 | (unsigned long)sum1); | |
80605142 WD |
231 | } |
232 | write_int(f_out, sum1); | |
fc0257c9 | 233 | write_buf(f_out, sum2, sum.s2length); |
2f03f956 AT |
234 | len -= n1; |
235 | offset += n1; | |
236 | } | |
2f03f956 AT |
237 | } |
238 | ||
239 | ||
ef1aa910 | 240 | |
fd322eef | 241 | /* |
420ef2c4 | 242 | * Acts on file number @p i from @p flist, whose name is @p fname. |
ef1aa910 MP |
243 | * |
244 | * First fixes up permissions, then generates checksums for the file. | |
245 | * | |
420ef2c4 MP |
246 | * @note This comment was added later by mbp who was trying to work it |
247 | * out. It might be wrong. | |
fd322eef WD |
248 | */ |
249 | static void recv_generator(char *fname, struct file_struct *file, int i, | |
250 | int f_out) | |
2cda2560 | 251 | { |
2f03f956 AT |
252 | int fd; |
253 | STRUCT_STAT st; | |
968c8030 | 254 | struct map_struct *mapbuf; |
2f03f956 | 255 | int statret; |
375a4556 DD |
256 | char *fnamecmp; |
257 | char fnamecmpbuf[MAXPATHLEN]; | |
f7632fc6 | 258 | |
dfd5ba6a WD |
259 | if (list_only) |
260 | return; | |
2f03f956 AT |
261 | |
262 | if (verbose > 2) | |
263 | rprintf(FINFO,"recv_generator(%s,%d)\n",fname,i); | |
264 | ||
97f9dcae WD |
265 | if (server_exclude_list.head |
266 | && check_exclude(&server_exclude_list, fname, | |
3e35c34b WD |
267 | S_ISDIR(file->mode)) < 0) { |
268 | if (verbose) { | |
269 | rprintf(FINFO, "skipping server-excluded file \"%s\"\n", | |
270 | fname); | |
271 | } | |
97f9dcae | 272 | return; |
3e35c34b | 273 | } |
97f9dcae | 274 | |
6218c7bf | 275 | statret = link_stat(fname, &st, keep_dirlinks && S_ISDIR(file->mode)); |
63787382 | 276 | |
1347d512 AT |
277 | if (only_existing && statret == -1 && errno == ENOENT) { |
278 | /* we only want to update existing files */ | |
3e35c34b WD |
279 | if (verbose > 1) |
280 | rprintf(FINFO, "not creating new file \"%s\"\n", fname); | |
1347d512 AT |
281 | return; |
282 | } | |
283 | ||
2cda2560 WD |
284 | if (statret == 0 && |
285 | !preserve_perms && | |
4df9f368 AT |
286 | (S_ISDIR(st.st_mode) == S_ISDIR(file->mode))) { |
287 | /* if the file exists already and we aren't perserving | |
2cda2560 WD |
288 | * permissions then act as though the remote end sent |
289 | * us the file permissions we already have */ | |
67e78a82 WD |
290 | file->mode = (file->mode & ~CHMOD_BITS) |
291 | | (st.st_mode & CHMOD_BITS); | |
4df9f368 AT |
292 | } |
293 | ||
2f03f956 | 294 | if (S_ISDIR(file->mode)) { |
2cda2560 WD |
295 | /* The file to be received is a directory, so we need |
296 | * to prepare appropriately. If there is already a | |
297 | * file of that name and it is *not* a directory, then | |
298 | * we need to delete it. If it doesn't exist, then | |
299 | * recursively create it. */ | |
300 | ||
ec8290c8 WD |
301 | if (dry_run) |
302 | return; /* TODO: causes inaccuracies -- fix */ | |
2f03f956 | 303 | if (statret == 0 && !S_ISDIR(st.st_mode)) { |
c7c11a0d | 304 | if (robust_unlink(fname) != 0) { |
d62bcc17 WD |
305 | rsyserr(FERROR, errno, |
306 | "recv_generator: unlink %s to make room for directory", | |
307 | full_fname(fname)); | |
2f03f956 AT |
308 | return; |
309 | } | |
310 | statret = -1; | |
311 | } | |
312 | if (statret != 0 && do_mkdir(fname,file->mode) != 0 && errno != EEXIST) { | |
d62bcc17 WD |
313 | if (!(relative_paths && errno == ENOENT |
314 | && create_directory_path(fname, orig_umask) == 0 | |
315 | && do_mkdir(fname, file->mode) == 0)) { | |
316 | rsyserr(FERROR, errno, | |
317 | "recv_generator: mkdir %s failed", | |
318 | full_fname(fname)); | |
2f03f956 AT |
319 | } |
320 | } | |
716e73d4 WD |
321 | /* f_out is set to -1 when doing final directory-permission |
322 | * and modification-time repair. */ | |
323 | if (set_perms(fname, file, statret ? NULL : &st, 0) | |
324 | && verbose && f_out != -1) | |
2f03f956 AT |
325 | rprintf(FINFO,"%s/\n",fname); |
326 | return; | |
327 | } | |
328 | ||
329 | if (preserve_links && S_ISLNK(file->mode)) { | |
330 | #if SUPPORT_LINKS | |
331 | char lnk[MAXPATHLEN]; | |
332 | int l; | |
2f03f956 | 333 | |
728d0922 | 334 | if (safe_symlinks && unsafe_symlink(file->u.link, fname)) { |
2f03f956 | 335 | if (verbose) { |
ea42541f | 336 | rprintf(FINFO, "ignoring unsafe symlink %s -> \"%s\"\n", |
728d0922 | 337 | full_fname(fname), file->u.link); |
2f03f956 AT |
338 | } |
339 | return; | |
340 | } | |
341 | if (statret == 0) { | |
342 | l = readlink(fname,lnk,MAXPATHLEN-1); | |
343 | if (l > 0) { | |
344 | lnk[l] = 0; | |
85d4d142 MP |
345 | /* A link already pointing to the |
346 | * right place -- no further action | |
347 | * required. */ | |
728d0922 | 348 | if (strcmp(lnk,file->u.link) == 0) { |
c41b52c4 WD |
349 | set_perms(fname, file, &st, |
350 | PERMS_REPORT); | |
2f03f956 AT |
351 | return; |
352 | } | |
2cda2560 | 353 | } |
85d4d142 MP |
354 | /* Not a symlink, so delete whatever's |
355 | * already there and put a new symlink | |
2cda2560 | 356 | * in place. */ |
4b3977bf | 357 | delete_file(fname); |
2f03f956 | 358 | } |
728d0922 | 359 | if (do_symlink(file->u.link,fname) != 0) { |
d62bcc17 WD |
360 | rsyserr(FERROR, errno, "symlink %s -> \"%s\" failed", |
361 | full_fname(fname), file->u.link); | |
2f03f956 AT |
362 | } else { |
363 | set_perms(fname,file,NULL,0); | |
364 | if (verbose) { | |
728d0922 | 365 | rprintf(FINFO,"%s -> %s\n", fname,file->u.link); |
2f03f956 AT |
366 | } |
367 | } | |
368 | #endif | |
369 | return; | |
370 | } | |
371 | ||
372 | #ifdef HAVE_MKNOD | |
373 | if (am_root && preserve_devices && IS_DEVICE(file->mode)) { | |
2cda2560 | 374 | if (statret != 0 || |
2f03f956 | 375 | st.st_mode != file->mode || |
3915fd75 | 376 | st.st_rdev != file->u.rdev) { |
2f03f956 | 377 | delete_file(fname); |
d62bcc17 | 378 | if (verbose > 2) { |
2f03f956 | 379 | rprintf(FINFO,"mknod(%s,0%o,0x%x)\n", |
728d0922 | 380 | fname,(int)file->mode,(int)file->u.rdev); |
d62bcc17 | 381 | } |
728d0922 | 382 | if (do_mknod(fname,file->mode,file->u.rdev) != 0) { |
d62bcc17 WD |
383 | rsyserr(FERROR, errno, "mknod %s failed", |
384 | full_fname(fname)); | |
2f03f956 AT |
385 | } else { |
386 | set_perms(fname,file,NULL,0); | |
387 | if (verbose) | |
388 | rprintf(FINFO,"%s\n",fname); | |
389 | } | |
390 | } else { | |
c41b52c4 | 391 | set_perms(fname, file, &st, PERMS_REPORT); |
2f03f956 AT |
392 | } |
393 | return; | |
394 | } | |
395 | #endif | |
396 | ||
6dff5992 | 397 | if (preserve_hard_links && hard_link_check(file, HL_CHECK_MASTER)) |
2f03f956 | 398 | return; |
2f03f956 AT |
399 | |
400 | if (!S_ISREG(file->mode)) { | |
1bbd10fe | 401 | rprintf(FINFO, "skipping non-regular file \"%s\"\n",fname); |
2f03f956 AT |
402 | return; |
403 | } | |
404 | ||
375a4556 DD |
405 | fnamecmp = fname; |
406 | ||
c338460d | 407 | if (statret == -1 && compare_dest != NULL) { |
375a4556 DD |
408 | /* try the file at compare_dest instead */ |
409 | int saveerrno = errno; | |
248ed45f | 410 | pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, compare_dest, fname); |
6218c7bf | 411 | statret = link_stat(fnamecmpbuf, &st, 0); |
375a4556 DD |
412 | if (!S_ISREG(st.st_mode)) |
413 | statret = -1; | |
414 | if (statret == -1) | |
415 | errno = saveerrno; | |
59c95e42 DD |
416 | #if HAVE_LINK |
417 | else if (link_dest && !dry_run) { | |
418 | if (do_link(fnamecmpbuf, fname) != 0) { | |
e7bc9b64 | 419 | if (verbose > 0) { |
d62bcc17 WD |
420 | rsyserr(FINFO, errno, "link %s => %s", |
421 | fnamecmpbuf, fname); | |
e7bc9b64 | 422 | } |
59c95e42 DD |
423 | } |
424 | fnamecmp = fnamecmpbuf; | |
425 | } | |
426 | #endif | |
375a4556 DD |
427 | else |
428 | fnamecmp = fnamecmpbuf; | |
429 | } | |
430 | ||
2f03f956 | 431 | if (statret == -1) { |
6dff5992 WD |
432 | if (preserve_hard_links && hard_link_check(file, HL_SKIP)) |
433 | return; | |
2f03f956 AT |
434 | if (errno == ENOENT) { |
435 | write_int(f_out,i); | |
ec8290c8 WD |
436 | if (!dry_run) |
437 | write_sum_head(f_out, NULL); | |
ea42541f | 438 | } else if (verbose > 1) { |
d62bcc17 WD |
439 | rsyserr(FERROR, errno, |
440 | "recv_generator: failed to open %s", | |
441 | full_fname(fname)); | |
2f03f956 AT |
442 | } |
443 | return; | |
444 | } | |
445 | ||
446 | if (!S_ISREG(st.st_mode)) { | |
447 | if (delete_file(fname) != 0) { | |
448 | return; | |
449 | } | |
450 | ||
451 | /* now pretend the file didn't exist */ | |
6dff5992 WD |
452 | if (preserve_hard_links && hard_link_check(file, HL_SKIP)) |
453 | return; | |
2f03f956 | 454 | write_int(f_out,i); |
ec8290c8 WD |
455 | if (!dry_run) |
456 | write_sum_head(f_out, NULL); | |
2f03f956 AT |
457 | return; |
458 | } | |
459 | ||
2cda2560 | 460 | if (opt_ignore_existing && fnamecmp == fname) { |
3d6feada MP |
461 | if (verbose > 1) |
462 | rprintf(FINFO,"%s exists\n",fname); | |
463 | return; | |
2cda2560 | 464 | } |
3d6feada | 465 | |
d3a4375f WD |
466 | if (update_only && fnamecmp == fname |
467 | && cmp_modtime(st.st_mtime, file->modtime) > 0) { | |
2f03f956 AT |
468 | if (verbose > 1) |
469 | rprintf(FINFO,"%s is newer\n",fname); | |
470 | return; | |
471 | } | |
472 | ||
84acca07 | 473 | if (skip_file(fname, file, &st)) { |
bd4ed7f7 | 474 | if (fnamecmp == fname) |
c41b52c4 | 475 | set_perms(fname, file, &st, PERMS_REPORT); |
2f03f956 AT |
476 | return; |
477 | } | |
478 | ||
479 | if (dry_run) { | |
480 | write_int(f_out,i); | |
481 | return; | |
482 | } | |
483 | ||
f38bd4a0 | 484 | if (whole_file > 0) { |
2f03f956 | 485 | write_int(f_out,i); |
fc0257c9 | 486 | write_sum_head(f_out, NULL); |
2f03f956 AT |
487 | return; |
488 | } | |
489 | ||
2cda2560 | 490 | /* open the file */ |
8c9fd200 | 491 | fd = do_open(fnamecmp, O_RDONLY, 0); |
2f03f956 AT |
492 | |
493 | if (fd == -1) { | |
d62bcc17 WD |
494 | rsyserr(FERROR, errno, "failed to open %s, continuing", |
495 | full_fname(fnamecmp)); | |
60be6acf | 496 | /* pretend the file didn't exist */ |
6dff5992 WD |
497 | if (preserve_hard_links && hard_link_check(file, HL_SKIP)) |
498 | return; | |
60be6acf | 499 | write_int(f_out,i); |
fc0257c9 | 500 | write_sum_head(f_out, NULL); |
2f03f956 AT |
501 | return; |
502 | } | |
503 | ||
968c8030 WD |
504 | if (st.st_size > 0) |
505 | mapbuf = map_file(fd,st.st_size); | |
506 | else | |
507 | mapbuf = NULL; | |
2f03f956 | 508 | |
dfd5ba6a WD |
509 | if (verbose > 3) { |
510 | rprintf(FINFO,"gen mapped %s of size %.0f\n", fnamecmp, | |
511 | (double)st.st_size); | |
512 | } | |
2f03f956 | 513 | |
2f03f956 | 514 | if (verbose > 2) |
80605142 | 515 | rprintf(FINFO, "generating and sending sums for %d\n", i); |
2f03f956 AT |
516 | |
517 | write_int(f_out,i); | |
968c8030 | 518 | generate_and_send_sums(mapbuf, st.st_size, f_out); |
2f03f956 AT |
519 | |
520 | close(fd); | |
ec8290c8 WD |
521 | if (mapbuf) |
522 | unmap_file(mapbuf); | |
2f03f956 AT |
523 | } |
524 | ||
525 | ||
7daccb8e | 526 | void generate_files(int f_out, struct file_list *flist, char *local_name) |
2f03f956 AT |
527 | { |
528 | int i; | |
e1f67417 | 529 | int phase = 0; |
968c8030 | 530 | char fbuf[MAXPATHLEN]; |
2f03f956 | 531 | |
45e08edb WD |
532 | if (verbose > 2) { |
533 | rprintf(FINFO, "generator starting pid=%ld count=%d\n", | |
534 | (long)getpid(), flist->count); | |
535 | } | |
2f03f956 | 536 | |
3e7053ac MP |
537 | if (verbose >= 2) { |
538 | rprintf(FINFO, | |
f38bd4a0 | 539 | whole_file > 0 |
3e7053ac MP |
540 | ? "delta-transmission disabled for local transfer or --whole-file\n" |
541 | : "delta transmission enabled\n"); | |
542 | } | |
2cda2560 | 543 | |
a57873b7 AT |
544 | /* we expect to just sit around now, so don't exit on a |
545 | timeout. If we really get a timeout then the other process should | |
546 | exit */ | |
547 | io_timeout = 0; | |
548 | ||
2f03f956 AT |
549 | for (i = 0; i < flist->count; i++) { |
550 | struct file_struct *file = flist->files[i]; | |
dfd5ba6a | 551 | struct file_struct copy; |
2f03f956 | 552 | |
dfd5ba6a WD |
553 | if (!file->basename) |
554 | continue; | |
2f03f956 AT |
555 | /* we need to ensure that any directories we create have writeable |
556 | permissions initially so that we can create the files within | |
557 | them. This is then fixed after the files are transferred */ | |
dfd5ba6a WD |
558 | if (!am_root && S_ISDIR(file->mode) && !(file->mode & S_IWUSR)) { |
559 | copy = *file; | |
2cda2560 WD |
560 | /* XXX: Could this be causing a problem on SCO? Perhaps their |
561 | * handling of permissions is strange? */ | |
dfd5ba6a WD |
562 | copy.mode |= S_IWUSR; /* user write */ |
563 | file = © | |
2f03f956 AT |
564 | } |
565 | ||
3fef5364 | 566 | recv_generator(local_name ? local_name : f_name_to(file, fbuf), |
7daccb8e | 567 | file, i, f_out); |
2f03f956 AT |
568 | } |
569 | ||
570 | phase++; | |
571 | csum_length = SUM_LENGTH; | |
e1f67417 | 572 | ignore_times = 1; |
2f03f956 AT |
573 | |
574 | if (verbose > 2) | |
575 | rprintf(FINFO,"generate_files phase=%d\n",phase); | |
576 | ||
7daccb8e | 577 | write_int(f_out, -1); |
2f03f956 | 578 | |
bc63ae3f S |
579 | /* files can cycle through the system more than once |
580 | * to catch initial checksum errors */ | |
b9b15fb1 | 581 | while ((i = get_redo_num()) != -1) { |
bc63ae3f | 582 | struct file_struct *file = flist->files[i]; |
3fef5364 | 583 | recv_generator(local_name ? local_name : f_name_to(file, fbuf), |
7daccb8e | 584 | file, i, f_out); |
bc63ae3f | 585 | } |
2f03f956 | 586 | |
bc63ae3f S |
587 | phase++; |
588 | if (verbose > 2) | |
589 | rprintf(FINFO,"generate_files phase=%d\n",phase); | |
2f03f956 | 590 | |
7daccb8e | 591 | write_int(f_out, -1); |
6dff5992 WD |
592 | |
593 | if (preserve_hard_links) | |
594 | do_hard_links(); | |
595 | ||
596 | /* now we need to fix any directory permissions that were | |
597 | * modified during the transfer */ | |
598 | for (i = 0; i < flist->count; i++) { | |
599 | struct file_struct *file = flist->files[i]; | |
ec8290c8 WD |
600 | if (!file->basename || !S_ISDIR(file->mode)) |
601 | continue; | |
6dff5992 WD |
602 | recv_generator(local_name ? local_name : f_name(file), |
603 | file, i, -1); | |
604 | } | |
605 | ||
606 | if (verbose > 2) | |
607 | rprintf(FINFO,"generate_files finished\n"); | |
2f03f956 | 608 | } |