Commit | Line | Data |
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e327acec | 1 | /* -*- c-file-style: "linux" -*- |
17fadf7d | 2 | |
e327acec | 3 | Copyright (C) 1996-2000 by Andrew Tridgell |
2f03f956 | 4 | Copyright (C) Paul Mackerras 1996 |
17fadf7d | 5 | |
2f03f956 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. | |
17fadf7d | 10 | |
2f03f956 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. | |
17fadf7d | 15 | |
2f03f956 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 | ||
21 | #include "rsync.h" | |
22 | ||
23 | extern int verbose; | |
227a9c41 | 24 | extern int dry_run; |
8715db2c WD |
25 | extern int am_daemon; |
26 | extern int am_server; | |
27 | extern int do_progress; | |
910e89b9 | 28 | extern int log_before_transfer; |
227a9c41 WD |
29 | extern int log_format_has_i; |
30 | extern int daemon_log_format_has_i; | |
92b9eb97 | 31 | extern int delete_after; |
2f03f956 | 32 | extern int csum_length; |
16cc9ca2 WD |
33 | extern int read_batch; |
34 | extern int batch_gen_fd; | |
41cfde6b | 35 | extern int protocol_version; |
2f03f956 | 36 | extern int relative_paths; |
566fce32 | 37 | extern int keep_dirlinks; |
2f03f956 | 38 | extern int preserve_hard_links; |
92b9eb97 | 39 | extern int preserve_perms; |
2f03f956 | 40 | extern int io_error; |
c56595d7 | 41 | extern int basis_dir_cnt; |
53dd3135 | 42 | extern int make_backups; |
925c517f | 43 | extern int cleanup_got_literal; |
3e870a64 | 44 | extern int remove_sent_files; |
92b9eb97 WD |
45 | extern int module_id; |
46 | extern int ignore_errors; | |
47 | extern int orig_umask; | |
55e50d89 | 48 | extern int keep_partial; |
ba582f75 | 49 | extern int checksum_seed; |
a3221d2a | 50 | extern int inplace; |
48e1c8c6 | 51 | extern int delay_updates; |
8715db2c | 52 | extern struct stats stats; |
910e89b9 | 53 | extern char *log_format; |
8715db2c WD |
54 | extern char *tmpdir; |
55 | extern char *partial_dir; | |
56 | extern char *basis_dir[]; | |
2f03f956 | 57 | |
7842418b | 58 | extern struct filter_list_struct server_filter_list; |
5ebab6c1 WD |
59 | |
60 | ||
3ab56a20 WD |
61 | /* This deletes any files on the receiving side that are not present on the |
62 | * sending side. This is used by --delete-before and --delete-after. */ | |
6957ae33 | 63 | void delete_files(struct file_list *flist) |
2f03f956 | 64 | { |
68a94ac3 | 65 | char fbuf[MAXPATHLEN]; |
3ab56a20 | 66 | int j; |
2f03f956 | 67 | |
1e82e2ce | 68 | for (j = 0; j < flist->count; j++) { |
68a94ac3 | 69 | struct file_struct *file = flist->files[j]; |
462c51d9 | 70 | |
68a94ac3 | 71 | if (!(file->flags & FLAG_DEL_HERE)) |
462c51d9 | 72 | continue; |
2430e984 | 73 | |
68a94ac3 WD |
74 | f_name_to(file, fbuf); |
75 | if (verbose > 1 && file->flags & FLAG_TOP_DIR) | |
76 | rprintf(FINFO, "deleting in %s\n", safe_fname(fbuf)); | |
2430e984 | 77 | |
68a94ac3 | 78 | delete_in_dir(flist, fbuf, file); |
2f03f956 AT |
79 | } |
80 | } | |
81 | ||
3e7934a5 WD |
82 | #define SLOT_SIZE (16*1024) /* Desired size in bytes */ |
83 | #define PER_SLOT_BITS (SLOT_SIZE * 8) /* Number of bits per slot */ | |
84 | #define PER_SLOT_INTS (SLOT_SIZE / 4) /* Number of int32s per slot */ | |
85 | ||
86 | static uint32 **delayed_bits = NULL; | |
87 | static int delayed_slot_cnt = 0; | |
88 | ||
89 | static void init_delayed_bits(int max_ndx) | |
90 | { | |
91 | delayed_slot_cnt = (max_ndx + PER_SLOT_BITS - 1) / PER_SLOT_BITS; | |
92 | ||
93 | if (!(delayed_bits = (uint32**)calloc(delayed_slot_cnt, sizeof (uint32*)))) | |
94 | out_of_memory("set_delayed_bit"); | |
95 | } | |
96 | ||
97 | static void set_delayed_bit(int ndx) | |
98 | { | |
99 | int slot = ndx / PER_SLOT_BITS; | |
100 | ndx %= PER_SLOT_BITS; | |
101 | ||
102 | if (!delayed_bits[slot]) { | |
103 | if (!(delayed_bits[slot] = (uint32*)calloc(PER_SLOT_INTS, 4))) | |
104 | out_of_memory("set_delayed_bit"); | |
105 | } | |
106 | ||
107 | delayed_bits[slot][ndx/32] |= 1u << (ndx % 32); | |
108 | } | |
109 | ||
110 | /* Call this with -1 to start checking from 0. Returns -1 at the end. */ | |
111 | static int next_delayed_bit(int after) | |
112 | { | |
113 | uint32 bits, mask; | |
114 | int i, ndx = after + 1; | |
115 | int slot = ndx / PER_SLOT_BITS; | |
116 | ndx %= PER_SLOT_BITS; | |
117 | ||
118 | mask = (1u << (ndx % 32)) - 1; | |
119 | for (i = ndx / 32; slot < delayed_slot_cnt; slot++, i = mask = 0) { | |
120 | if (!delayed_bits[slot]) | |
121 | continue; | |
122 | for ( ; i < PER_SLOT_INTS; i++, mask = 0) { | |
123 | if (!(bits = delayed_bits[slot][i] & ~mask)) | |
124 | continue; | |
125 | /* The xor magic figures out the lowest enabled bit in | |
126 | * bits, and the switch quickly computes log2(bit). */ | |
127 | switch (bits ^ (bits & (bits-1))) { | |
128 | #define LOG2(n) case 1u << n: return slot*PER_SLOT_BITS + i*32 + n | |
129 | LOG2(0); LOG2(1); LOG2(2); LOG2(3); | |
130 | LOG2(4); LOG2(5); LOG2(6); LOG2(7); | |
131 | LOG2(8); LOG2(9); LOG2(10); LOG2(11); | |
132 | LOG2(12); LOG2(13); LOG2(14); LOG2(15); | |
133 | LOG2(16); LOG2(17); LOG2(18); LOG2(19); | |
134 | LOG2(20); LOG2(21); LOG2(22); LOG2(23); | |
135 | LOG2(24); LOG2(25); LOG2(26); LOG2(27); | |
136 | LOG2(28); LOG2(29); LOG2(30); LOG2(31); | |
137 | } | |
138 | return -1; /* impossible... */ | |
139 | } | |
140 | } | |
141 | ||
142 | return -1; | |
143 | } | |
144 | ||
2f03f956 | 145 | |
52d3e106 S |
146 | /* |
147 | * get_tmpname() - create a tmp filename for a given filename | |
148 | * | |
149 | * If a tmpdir is defined, use that as the directory to | |
150 | * put it in. Otherwise, the tmp filename is in the same | |
151 | * directory as the given name. Note that there may be no | |
152 | * directory at all in the given name! | |
17fadf7d | 153 | * |
52d3e106 S |
154 | * The tmp filename is basically the given filename with a |
155 | * dot prepended, and .XXXXXX appended (for mkstemp() to | |
156 | * put its unique gunk in). Take care to not exceed | |
157 | * either the MAXPATHLEN or NAME_MAX, esp. the last, as | |
158 | * the basename basically becomes 8 chars longer. In that | |
159 | * case, the original name is shortened sufficiently to | |
160 | * make it all fit. | |
17fadf7d | 161 | * |
52d3e106 S |
162 | * Of course, there's no real reason for the tmp name to |
163 | * look like the original, except to satisfy us humans. | |
164 | * As long as it's unique, rsync will work. | |
165 | */ | |
166 | ||
2f03f956 AT |
167 | static int get_tmpname(char *fnametmp, char *fname) |
168 | { | |
169 | char *f; | |
52d3e106 S |
170 | int length = 0; |
171 | int maxname; | |
2f03f956 | 172 | |
2f03f956 | 173 | if (tmpdir) { |
a24639bb | 174 | /* Note: this can't overflow, so the return value is safe */ |
b7cee949 | 175 | length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2); |
52d3e106 S |
176 | fnametmp[length++] = '/'; |
177 | fnametmp[length] = '\0'; /* always NULL terminated */ | |
0c2ef5f4 | 178 | } |
52d3e106 | 179 | |
0c2ef5f4 | 180 | if ((f = strrchr(fname, '/')) != NULL) { |
52d3e106 S |
181 | ++f; |
182 | if (!tmpdir) { | |
183 | length = f - fname; | |
0c2ef5f4 | 184 | /* copy up to and including the slash */ |
52d3e106 | 185 | strlcpy(fnametmp, fname, length + 1); |
0c2ef5f4 | 186 | } |
446e239e | 187 | } else |
52d3e106 | 188 | f = fname; |
52d3e106 S |
189 | fnametmp[length++] = '.'; |
190 | fnametmp[length] = '\0'; /* always NULL terminated */ | |
2f03f956 | 191 | |
52d3e106 | 192 | maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8); |
2f03f956 | 193 | |
0c2ef5f4 | 194 | if (maxname < 1) { |
71903f60 WD |
195 | rprintf(FERROR, "temporary filename too long: %s\n", |
196 | safe_fname(fname)); | |
52d3e106 | 197 | fnametmp[0] = '\0'; |
2f03f956 AT |
198 | return 0; |
199 | } | |
200 | ||
17fadf7d | 201 | strlcpy(fnametmp + length, f, maxname); |
52d3e106 | 202 | strcat(fnametmp + length, ".XXXXXX"); |
2f03f956 AT |
203 | |
204 | return 1; | |
205 | } | |
206 | ||
207 | ||
7e5fa372 WD |
208 | static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r, |
209 | char *fname, int fd, OFF_T total_size) | |
2f03f956 | 210 | { |
7e5fa372 WD |
211 | static char file_sum1[MD4_SUM_LENGTH]; |
212 | static char file_sum2[MD4_SUM_LENGTH]; | |
213 | struct map_struct *mapbuf; | |
fc0257c9 | 214 | struct sum_struct sum; |
6c495e0d | 215 | int32 len; |
2f03f956 | 216 | OFF_T offset = 0; |
89e540e6 | 217 | OFF_T offset2; |
2f03f956 | 218 | char *data; |
6c495e0d | 219 | int32 i; |
e1f67417 | 220 | char *map = NULL; |
17fadf7d | 221 | |
fc0257c9 | 222 | read_sum_head(f_in, &sum); |
17fadf7d | 223 | |
7e5fa372 | 224 | if (fd_r >= 0 && size_r > 0) { |
80264051 WD |
225 | int32 read_size = MAX(sum.blength * 2, 16*1024); |
226 | mapbuf = map_file(fd_r, size_r, read_size, sum.blength); | |
7e5fa372 WD |
227 | if (verbose > 2) { |
228 | rprintf(FINFO, "recv mapped %s of size %.0f\n", | |
ecc81fce | 229 | safe_fname(fname_r), (double)size_r); |
7e5fa372 WD |
230 | } |
231 | } else | |
232 | mapbuf = NULL; | |
233 | ||
ba582f75 | 234 | sum_init(checksum_seed); |
17fadf7d | 235 | |
3f55bd5d | 236 | while ((i = recv_token(f_in, &data)) != 0) { |
16417f8b WD |
237 | if (do_progress) |
238 | show_progress(offset, total_size); | |
2f03f956 AT |
239 | |
240 | if (i > 0) { | |
2f03f956 | 241 | if (verbose > 3) { |
5f808dfb AT |
242 | rprintf(FINFO,"data recv %d at %.0f\n", |
243 | i,(double)offset); | |
2f03f956 AT |
244 | } |
245 | ||
246 | stats.literal_data += i; | |
247 | cleanup_got_literal = 1; | |
17fadf7d | 248 | |
6c495e0d | 249 | sum_update(data, i); |
2f03f956 | 250 | |
c52461f9 WD |
251 | if (fd != -1 && write_file(fd,data,i) != i) |
252 | goto report_write_error; | |
2f03f956 AT |
253 | offset += i; |
254 | continue; | |
17fadf7d | 255 | } |
2f03f956 AT |
256 | |
257 | i = -(i+1); | |
6c495e0d | 258 | offset2 = i * (OFF_T)sum.blength; |
fc0257c9 | 259 | len = sum.blength; |
d2a918b4 | 260 | if (i == (int)sum.count-1 && sum.remainder != 0) |
fc0257c9 | 261 | len = sum.remainder; |
17fadf7d | 262 | |
2f03f956 | 263 | stats.matched_data += len; |
17fadf7d | 264 | |
6c495e0d WD |
265 | if (verbose > 3) { |
266 | rprintf(FINFO, | |
267 | "chunk[%d] of size %ld at %.0f offset=%.0f\n", | |
268 | i, (long)len, (double)offset2, (double)offset); | |
269 | } | |
17fadf7d | 270 | |
446e239e WD |
271 | if (mapbuf) { |
272 | map = map_ptr(mapbuf,offset2,len); | |
17fadf7d | 273 | |
c55f7021 | 274 | see_token(map, len); |
6c495e0d | 275 | sum_update(map, len); |
c55f7021 | 276 | } |
17fadf7d | 277 | |
fab65a5b | 278 | if (inplace) { |
89e540e6 | 279 | if (offset == offset2 && fd != -1) { |
c52461f9 WD |
280 | if (flush_write_file(fd) < 0) |
281 | goto report_write_error; | |
89e540e6 WD |
282 | offset += len; |
283 | if (do_lseek(fd, len, SEEK_CUR) != offset) { | |
fab65a5b WD |
284 | rsyserr(FERROR, errno, |
285 | "lseek failed on %s", | |
286 | full_fname(fname)); | |
287 | exit_cleanup(RERR_FILEIO); | |
288 | } | |
89e540e6 | 289 | continue; |
a3221d2a | 290 | } |
2f03f956 | 291 | } |
c52461f9 WD |
292 | if (fd != -1 && write_file(fd, map, len) != (int)len) |
293 | goto report_write_error; | |
2f03f956 AT |
294 | offset += len; |
295 | } | |
296 | ||
85f14172 WD |
297 | if (flush_write_file(fd) < 0) |
298 | goto report_write_error; | |
76c21947 | 299 | |
4f5b0756 | 300 | #ifdef HAVE_FTRUNCATE |
fab65a5b | 301 | if (inplace && fd != -1) |
a3221d2a WD |
302 | ftruncate(fd, offset); |
303 | #endif | |
304 | ||
16417f8b WD |
305 | if (do_progress) |
306 | end_progress(total_size); | |
2f03f956 AT |
307 | |
308 | if (fd != -1 && offset > 0 && sparse_end(fd) != 0) { | |
c52461f9 | 309 | report_write_error: |
d62bcc17 WD |
310 | rsyserr(FERROR, errno, "write failed on %s", |
311 | full_fname(fname)); | |
65417579 | 312 | exit_cleanup(RERR_FILEIO); |
2f03f956 AT |
313 | } |
314 | ||
315 | sum_end(file_sum1); | |
316 | ||
7e5fa372 WD |
317 | if (mapbuf) |
318 | unmap_file(mapbuf); | |
319 | ||
bc63ae3f | 320 | read_buf(f_in,file_sum2,MD4_SUM_LENGTH); |
d2a918b4 | 321 | if (verbose > 2) |
bc63ae3f | 322 | rprintf(FINFO,"got file_sum\n"); |
d2a918b4 | 323 | if (fd != -1 && memcmp(file_sum1, file_sum2, MD4_SUM_LENGTH) != 0) |
bc63ae3f | 324 | return 0; |
2f03f956 AT |
325 | return 1; |
326 | } | |
327 | ||
328 | ||
73273075 WD |
329 | static void read_gen_name(int fd, char *dirname, char *buf) |
330 | { | |
331 | int dlen; | |
332 | int len = read_byte(fd); | |
333 | ||
334 | if (len & 0x80) { | |
335 | #if MAXPATHLEN > 32767 | |
336 | uchar lenbuf[2]; | |
337 | read_buf(fd, (char *)lenbuf, 2); | |
338 | len = (len & ~0x80) * 0x10000 + lenbuf[0] * 0x100 + lenbuf[1]; | |
339 | #else | |
340 | len = (len & ~0x80) * 0x100 + read_byte(fd); | |
341 | #endif | |
342 | } | |
343 | ||
344 | if (dirname) { | |
345 | dlen = strlcpy(buf, dirname, MAXPATHLEN); | |
346 | buf[dlen++] = '/'; | |
347 | } else | |
348 | dlen = 0; | |
349 | ||
350 | if (dlen + len >= MAXPATHLEN) { | |
351 | rprintf(FERROR, "bogus data on generator name pipe\n"); | |
352 | exit_cleanup(RERR_PROTOCOL); | |
353 | } | |
354 | ||
355 | read_sbuf(fd, buf + dlen, len); | |
356 | } | |
357 | ||
358 | ||
8ed9d849 WD |
359 | static void discard_receive_data(int f_in, OFF_T length) |
360 | { | |
7e5fa372 | 361 | receive_data(f_in, NULL, -1, 0, NULL, -1, length); |
8ed9d849 WD |
362 | } |
363 | ||
364 | ||
b35d0d8e MP |
365 | /** |
366 | * main routine for receiver process. | |
367 | * | |
368 | * Receiver process runs on the same host as the generator process. */ | |
41cfde6b WD |
369 | int recv_files(int f_in, struct file_list *flist, char *local_name, |
370 | int f_in_name) | |
17fadf7d | 371 | { |
16cc9ca2 | 372 | int next_gen_i = -1; |
2f03f956 AT |
373 | int fd1,fd2; |
374 | STRUCT_STAT st; | |
910e89b9 | 375 | int iflags; |
446e239e | 376 | char *fname, fbuf[MAXPATHLEN]; |
f62c17e3 | 377 | char template[MAXPATHLEN]; |
2f03f956 | 378 | char fnametmp[MAXPATHLEN]; |
3e870a64 | 379 | char *fnamecmp, *partialptr, numbuf[4]; |
375a4556 | 380 | char fnamecmpbuf[MAXPATHLEN]; |
2f03f956 | 381 | struct file_struct *file; |
1b7c47cb | 382 | struct stats initial_stats; |
4e834af1 | 383 | int save_make_backups = make_backups; |
227a9c41 WD |
384 | int itemizing = am_daemon ? daemon_log_format_has_i |
385 | : !am_server && log_format_has_i; | |
4e834af1 | 386 | int i, recv_ok, phase = 0; |
11a5a3c7 | 387 | |
d2a918b4 | 388 | if (verbose > 2) |
2f03f956 | 389 | rprintf(FINFO,"recv_files(%d) starting\n",flist->count); |
2f03f956 | 390 | |
cb869c26 | 391 | if (flist->hlink_pool) { |
9935066b S |
392 | pool_destroy(flist->hlink_pool); |
393 | flist->hlink_pool = NULL; | |
394 | } | |
395 | ||
3e7934a5 WD |
396 | if (delay_updates) |
397 | init_delayed_bits(flist->count); | |
48e1c8c6 | 398 | |
17fadf7d | 399 | while (1) { |
2f03f956 AT |
400 | cleanup_disable(); |
401 | ||
402 | i = read_int(f_in); | |
403 | if (i == -1) { | |
16cc9ca2 | 404 | if (read_batch) { |
41cfde6b WD |
405 | if (next_gen_i != flist->count) { |
406 | do { | |
407 | if (f_in_name >= 0 | |
408 | && next_gen_i >= 0) | |
409 | read_byte(f_in_name); | |
410 | } while (read_int(batch_gen_fd) != -1); | |
411 | } | |
16cc9ca2 WD |
412 | next_gen_i = -1; |
413 | } | |
414 | ||
4e834af1 WD |
415 | if (phase) |
416 | break; | |
5ebab6c1 | 417 | |
4e834af1 WD |
418 | phase = 1; |
419 | csum_length = SUM_LENGTH; | |
420 | if (verbose > 2) | |
421 | rprintf(FINFO, "recv_files phase=%d\n", phase); | |
422 | send_msg(MSG_DONE, "", 0); | |
aec6b9f8 | 423 | if (keep_partial && !partial_dir) |
4e834af1 WD |
424 | make_backups = 0; /* prevents double backup */ |
425 | continue; | |
2f03f956 AT |
426 | } |
427 | ||
428 | if (i < 0 || i >= flist->count) { | |
17fadf7d | 429 | rprintf(FERROR,"Invalid file index %d in recv_files (count=%d)\n", |
2f03f956 | 430 | i, flist->count); |
65417579 | 431 | exit_cleanup(RERR_PROTOCOL); |
2f03f956 AT |
432 | } |
433 | ||
434 | file = flist->files[i]; | |
227a9c41 WD |
435 | fname = local_name ? local_name : f_name_to(file, fbuf); |
436 | ||
437 | if (verbose > 2) | |
438 | rprintf(FINFO, "recv_files(%s)\n", safe_fname(fname)); | |
910e89b9 | 439 | |
4bb0af79 | 440 | if (protocol_version >= 29) { |
742be97c | 441 | iflags = read_shortint(f_in); |
910e89b9 | 442 | if (!(iflags & ITEM_UPDATING) || !S_ISREG(file->mode)) { |
227a9c41 WD |
443 | int see_item = itemizing && (iflags || verbose > 1); |
444 | if (am_server) { | |
445 | if (am_daemon && !dry_run && see_item) | |
446 | log_recv(file, &stats, iflags); | |
447 | } else if (see_item || iflags & ITEM_UPDATING | |
e844be4e WD |
448 | || (S_ISDIR(file->mode) |
449 | && iflags & ITEM_REPORT_TIME)) | |
910e89b9 WD |
450 | log_recv(file, &stats, iflags); |
451 | continue; | |
452 | } | |
453 | } else | |
454 | iflags = ITEM_UPDATING | ITEM_MISSING_DATA; | |
455 | ||
456 | if (!S_ISREG(file->mode)) { | |
457 | rprintf(FERROR, "[%s] got index of non-regular file: %d\n", | |
8c2ffaf0 WD |
458 | who_am_i(), i); |
459 | exit_cleanup(RERR_PROTOCOL); | |
460 | } | |
2f03f956 | 461 | |
97feb557 | 462 | stats.current_file_index = i; |
2f03f956 AT |
463 | stats.num_transferred_files++; |
464 | stats.total_transferred_size += file->length; | |
925c517f | 465 | cleanup_got_literal = 0; |
2f03f956 | 466 | |
8c2ffaf0 WD |
467 | if (server_filter_list.head |
468 | && check_filter(&server_filter_list, fname, 0) < 0) { | |
469 | rprintf(FERROR, "attempt to hack rsync failed.\n"); | |
470 | exit_cleanup(RERR_PROTOCOL); | |
471 | } | |
472 | ||
a8ed4958 | 473 | if (dry_run) { /* log the transfer */ |
4bb0af79 | 474 | if (!am_server && log_format) |
910e89b9 | 475 | log_recv(file, &stats, iflags); |
2f03f956 AT |
476 | continue; |
477 | } | |
478 | ||
16cc9ca2 WD |
479 | if (read_batch) { |
480 | while (i > next_gen_i) { | |
41cfde6b WD |
481 | if (f_in_name >= 0 && next_gen_i >= 0) |
482 | read_byte(f_in_name); | |
16cc9ca2 WD |
483 | next_gen_i = read_int(batch_gen_fd); |
484 | if (next_gen_i == -1) | |
485 | next_gen_i = flist->count; | |
486 | } | |
487 | if (i < next_gen_i) { | |
488 | rprintf(FINFO, "skipping update for \"%s\"\n", | |
ecc81fce | 489 | safe_fname(fname)); |
16cc9ca2 WD |
490 | discard_receive_data(f_in, file->length); |
491 | continue; | |
492 | } | |
41cfde6b | 493 | next_gen_i = -1; |
16cc9ca2 WD |
494 | } |
495 | ||
41cfde6b WD |
496 | partialptr = partial_dir ? partial_dir_fname(fname) : fname; |
497 | ||
498 | if (f_in_name >= 0) { | |
ee297522 WD |
499 | uchar j; |
500 | switch (j = read_byte(f_in_name)) { | |
41cfde6b | 501 | case FNAMECMP_FNAME: |
a7260c40 | 502 | fnamecmp = fname; |
41cfde6b WD |
503 | break; |
504 | case FNAMECMP_PARTIAL_DIR: | |
505 | fnamecmp = partialptr ? partialptr : fname; | |
506 | break; | |
507 | case FNAMECMP_BACKUP: | |
508 | fnamecmp = get_backup_name(fname); | |
509 | break; | |
73273075 WD |
510 | case FNAMECMP_FUZZY: |
511 | read_gen_name(f_in_name, file->dirname, fnamecmpbuf); | |
512 | fnamecmp = fnamecmpbuf; | |
513 | break; | |
41cfde6b | 514 | default: |
c56595d7 WD |
515 | if (j >= basis_dir_cnt) { |
516 | rprintf(FERROR, | |
517 | "invalid basis_dir index: %d.\n", | |
518 | j); | |
519 | exit_cleanup(RERR_PROTOCOL); | |
520 | } | |
41cfde6b | 521 | pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, |
ee297522 | 522 | basis_dir[j], fname); |
41cfde6b WD |
523 | fnamecmp = fnamecmpbuf; |
524 | break; | |
525 | } | |
a7260c40 | 526 | } else |
41cfde6b | 527 | fnamecmp = fname; |
dc55d7bd | 528 | |
910e89b9 WD |
529 | initial_stats = stats; |
530 | ||
17fadf7d | 531 | /* open the file */ |
8c9fd200 | 532 | fd1 = do_open(fnamecmp, O_RDONLY, 0); |
375a4556 | 533 | |
2f03f956 | 534 | if (fd1 != -1 && do_fstat(fd1,&st) != 0) { |
d62bcc17 WD |
535 | rsyserr(FERROR, errno, "fstat %s failed", |
536 | full_fname(fnamecmp)); | |
8ed9d849 | 537 | discard_receive_data(f_in, file->length); |
2f03f956 AT |
538 | close(fd1); |
539 | continue; | |
540 | } | |
541 | ||
350e4e4d S |
542 | if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) { |
543 | /* this special handling for directories | |
544 | * wouldn't be necessary if robust_rename() | |
545 | * and the underlying robust_unlink could cope | |
546 | * with directories | |
547 | */ | |
ea42541f WD |
548 | rprintf(FERROR,"recv_files: %s is a directory\n", |
549 | full_fname(fnamecmp)); | |
8ed9d849 | 550 | discard_receive_data(f_in, file->length); |
2f03f956 AT |
551 | close(fd1); |
552 | continue; | |
553 | } | |
554 | ||
350e4e4d S |
555 | if (fd1 != -1 && !S_ISREG(st.st_mode)) { |
556 | close(fd1); | |
557 | fd1 = -1; | |
350e4e4d S |
558 | } |
559 | ||
4df9f368 | 560 | if (fd1 != -1 && !preserve_perms) { |
85ed0aa3 | 561 | /* if the file exists already and we aren't preserving |
17fadf7d WD |
562 | * permissions then act as though the remote end sent |
563 | * us the file permissions we already have */ | |
4df9f368 AT |
564 | file->mode = st.st_mode; |
565 | } | |
566 | ||
a3221d2a WD |
567 | /* We now check to see if we are writing file "inplace" */ |
568 | if (inplace) { | |
dc55d7bd | 569 | fd2 = do_open(fname, O_WRONLY|O_CREAT, 0); |
a3221d2a WD |
570 | if (fd2 == -1) { |
571 | rsyserr(FERROR, errno, "open %s failed", | |
dc55d7bd | 572 | full_fname(fname)); |
8ed9d849 | 573 | discard_receive_data(f_in, file->length); |
a3221d2a WD |
574 | if (fd1 != -1) |
575 | close(fd1); | |
576 | continue; | |
577 | } | |
578 | } else { | |
579 | if (!get_tmpname(fnametmp,fname)) { | |
8ed9d849 | 580 | discard_receive_data(f_in, file->length); |
a3221d2a WD |
581 | if (fd1 != -1) |
582 | close(fd1); | |
583 | continue; | |
584 | } | |
585 | ||
586 | strlcpy(template, fnametmp, sizeof template); | |
2f03f956 | 587 | |
a3221d2a WD |
588 | /* we initially set the perms without the |
589 | * setuid/setgid bits to ensure that there is no race | |
590 | * condition. They are then correctly updated after | |
591 | * the lchown. Thanks to snabb@epipe.fi for pointing | |
592 | * this out. We also set it initially without group | |
593 | * access because of a similar race condition. */ | |
f62c17e3 | 594 | fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS); |
17fadf7d | 595 | |
a3221d2a WD |
596 | /* in most cases parent directories will already exist |
597 | * because their information should have been previously | |
598 | * transferred, but that may not be the case with -R */ | |
599 | if (fd2 == -1 && relative_paths && errno == ENOENT | |
600 | && create_directory_path(fnametmp, orig_umask) == 0) { | |
601 | strlcpy(fnametmp, template, sizeof fnametmp); | |
602 | fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS); | |
603 | } | |
604 | if (fd2 == -1) { | |
605 | rsyserr(FERROR, errno, "mkstemp %s failed", | |
606 | full_fname(fnametmp)); | |
8ed9d849 | 607 | discard_receive_data(f_in, file->length); |
a3221d2a WD |
608 | if (fd1 != -1) |
609 | close(fd1); | |
610 | continue; | |
611 | } | |
612 | ||
a7260c40 WD |
613 | if (partialptr) |
614 | cleanup_set(fnametmp, partialptr, file, fd1, fd2); | |
a3221d2a | 615 | } |
2f03f956 | 616 | |
a8ed4958 | 617 | /* log the transfer */ |
910e89b9 WD |
618 | if (log_before_transfer) |
619 | log_recv(file, &initial_stats, iflags); | |
4bb0af79 | 620 | else if (!am_server && verbose && do_progress) |
ecc81fce | 621 | rprintf(FINFO, "%s\n", safe_fname(fname)); |
11a5a3c7 | 622 | |
2f03f956 | 623 | /* recv file data */ |
7e5fa372 WD |
624 | recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size, |
625 | fname, fd2, file->length); | |
1b7c47cb | 626 | |
910e89b9 WD |
627 | if (!log_before_transfer) |
628 | log_recv(file, &initial_stats, iflags); | |
17fadf7d | 629 | |
d2a918b4 | 630 | if (fd1 != -1) |
2f03f956 | 631 | close(fd1); |
9f27cd8c | 632 | if (close(fd2) < 0) { |
d62bcc17 WD |
633 | rsyserr(FERROR, errno, "close failed on %s", |
634 | full_fname(fnametmp)); | |
9f27cd8c WD |
635 | exit_cleanup(RERR_FILEIO); |
636 | } | |
17fadf7d | 637 | |
68795c64 | 638 | if ((recv_ok && (!delay_updates || !partialptr)) || inplace) { |
aec6b9f8 WD |
639 | finish_transfer(fname, fnametmp, file, recv_ok, 1); |
640 | if (partialptr != fname && fnamecmp == partialptr) { | |
641 | do_unlink(partialptr); | |
642 | handle_partial_dir(partialptr, PDIR_DELETE); | |
643 | } | |
644 | } else if (keep_partial && partialptr | |
645 | && handle_partial_dir(partialptr, PDIR_CREATE)) { | |
646 | finish_transfer(partialptr, fnametmp, file, recv_ok, | |
647 | !partial_dir); | |
3e7934a5 WD |
648 | if (delay_updates && recv_ok) { |
649 | set_delayed_bit(i); | |
650 | recv_ok = -1; | |
651 | } | |
aec6b9f8 | 652 | } else { |
a7260c40 | 653 | partialptr = NULL; |
55e50d89 | 654 | do_unlink(fnametmp); |
a7260c40 WD |
655 | } |
656 | ||
2f03f956 | 657 | cleanup_disable(); |
554e0a8d | 658 | |
3e870a64 | 659 | if (recv_ok) { |
3e7934a5 | 660 | if (remove_sent_files && recv_ok > 0) { |
3e870a64 WD |
661 | SIVAL(numbuf, 0, i); |
662 | send_msg(MSG_SUCCESS, numbuf, 4); | |
663 | } | |
664 | } else { | |
007e3c0e WD |
665 | int msgtype = csum_length == SUM_LENGTH || read_batch ? |
666 | FERROR : FINFO; | |
667 | if (msgtype == FERROR || verbose) { | |
a7260c40 WD |
668 | char *errstr, *redostr, *keptstr; |
669 | if (!(keep_partial && partialptr) && !inplace) | |
670 | keptstr = "discarded"; | |
671 | else if (partial_dir) | |
672 | keptstr = "put into partial-dir"; | |
673 | else | |
674 | keptstr = "retained"; | |
007e3c0e WD |
675 | if (msgtype == FERROR) { |
676 | errstr = "ERROR"; | |
677 | redostr = ""; | |
678 | } else { | |
679 | errstr = "WARNING"; | |
680 | redostr = " (will try again)"; | |
681 | } | |
682 | rprintf(msgtype, | |
a7260c40 | 683 | "%s: %s failed verification -- update %s%s.\n", |
ecc81fce WD |
684 | errstr, safe_fname(fname), |
685 | keptstr, redostr); | |
007e3c0e | 686 | } |
e2bc4126 | 687 | if (csum_length != SUM_LENGTH) { |
3e870a64 WD |
688 | SIVAL(numbuf, 0, i); |
689 | send_msg(MSG_REDO, numbuf, 4); | |
2f03f956 AT |
690 | } |
691 | } | |
692 | } | |
4e834af1 | 693 | make_backups = save_make_backups; |
2f03f956 | 694 | |
48e1c8c6 | 695 | if (delay_updates) { |
3e7934a5 | 696 | for (i = -1; (i = next_delayed_bit(i)) >= 0; ) { |
48e1c8c6 | 697 | struct file_struct *file = flist->files[i]; |
48e1c8c6 WD |
698 | fname = local_name ? local_name : f_name(file); |
699 | partialptr = partial_dir_fname(fname); | |
700 | if (partialptr) { | |
701 | if (make_backups && !make_backup(fname)) | |
702 | continue; | |
703 | if (verbose > 2) { | |
704 | rprintf(FINFO, "renaming %s to %s\n", | |
71903f60 WD |
705 | safe_fname(partialptr), |
706 | safe_fname(fname)); | |
48e1c8c6 WD |
707 | } |
708 | if (do_rename(partialptr, fname) < 0) { | |
709 | rsyserr(FERROR, errno, | |
710 | "rename failed for %s (from %s)", | |
71903f60 WD |
711 | full_fname(fname), |
712 | safe_fname(partialptr)); | |
48e1c8c6 | 713 | } else { |
cd6becec WD |
714 | if (remove_sent_files) { |
715 | SIVAL(numbuf, 0, i); | |
716 | send_msg(MSG_SUCCESS,numbuf,4); | |
717 | } | |
48e1c8c6 WD |
718 | handle_partial_dir(partialptr, |
719 | PDIR_DELETE); | |
720 | } | |
721 | } | |
722 | } | |
723 | } | |
724 | ||
2430e984 | 725 | if (delete_after && !local_name && flist->count > 0) |
3f55bd5d | 726 | delete_files(flist); |
57df171b | 727 | |
2f03f956 AT |
728 | if (verbose > 2) |
729 | rprintf(FINFO,"recv_files finished\n"); | |
17fadf7d | 730 | |
2f03f956 AT |
731 | return 0; |
732 | } |