Commit | Line | Data |
---|---|---|
c627d613 AT |
1 | /* |
2 | Copyright (C) Andrew Tridgell 1996 | |
3 | Copyright (C) Paul Mackerras 1996 | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
18 | */ | |
19 | ||
20 | #include "rsync.h" | |
21 | ||
43a481dc AT |
22 | extern int csum_length; |
23 | ||
c627d613 AT |
24 | extern int verbose; |
25 | extern int am_server; | |
26 | extern int always_checksum; | |
27 | extern time_t starttime; | |
28 | ||
c6e7fcb4 AT |
29 | extern int remote_version; |
30 | ||
c627d613 AT |
31 | extern char *backup_suffix; |
32 | ||
33 | extern int block_size; | |
34 | extern int update_only; | |
35 | extern int make_backups; | |
36 | extern int preserve_links; | |
dc5ddbcc | 37 | extern int preserve_hard_links; |
c627d613 AT |
38 | extern int preserve_perms; |
39 | extern int preserve_devices; | |
40 | extern int preserve_uid; | |
41 | extern int preserve_gid; | |
42 | extern int preserve_times; | |
43 | extern int dry_run; | |
44 | extern int ignore_times; | |
45 | extern int recurse; | |
46 | extern int delete_mode; | |
47 | extern int cvs_exclude; | |
7b8356d0 | 48 | extern int am_root; |
c627d613 AT |
49 | |
50 | /* | |
51 | free a sums struct | |
52 | */ | |
53 | static void free_sums(struct sum_struct *s) | |
54 | { | |
55 | if (s->sums) free(s->sums); | |
56 | free(s); | |
57 | } | |
58 | ||
59 | ||
60 | ||
61 | /* | |
62 | send a sums struct down a fd | |
63 | */ | |
64 | static void send_sums(struct sum_struct *s,int f_out) | |
65 | { | |
66 | int i; | |
67 | ||
68 | /* tell the other guy how many we are going to be doing and how many | |
69 | bytes there are in the last chunk */ | |
70 | write_int(f_out,s?s->count:0); | |
71 | write_int(f_out,s?s->n:block_size); | |
72 | write_int(f_out,s?s->remainder:0); | |
73 | if (s) | |
74 | for (i=0;i<s->count;i++) { | |
75 | write_int(f_out,s->sums[i].sum1); | |
43a481dc | 76 | write_buf(f_out,s->sums[i].sum2,csum_length); |
c627d613 AT |
77 | } |
78 | write_flush(f_out); | |
79 | } | |
80 | ||
81 | ||
82 | /* | |
83 | generate a stream of signatures/checksums that describe a buffer | |
84 | ||
85 | generate approximately one checksum every n bytes | |
86 | */ | |
c6e7fcb4 | 87 | static struct sum_struct *generate_sums(struct map_struct *buf,off_t len,int n) |
c627d613 AT |
88 | { |
89 | int i; | |
90 | struct sum_struct *s; | |
91 | int count; | |
92 | int block_len = n; | |
93 | int remainder = (len%block_len); | |
94 | off_t offset = 0; | |
95 | ||
96 | count = (len+(block_len-1))/block_len; | |
97 | ||
98 | s = (struct sum_struct *)malloc(sizeof(*s)); | |
99 | if (!s) out_of_memory("generate_sums"); | |
100 | ||
101 | s->count = count; | |
102 | s->remainder = remainder; | |
103 | s->n = n; | |
104 | s->flength = len; | |
105 | ||
106 | if (count==0) { | |
107 | s->sums = NULL; | |
108 | return s; | |
109 | } | |
110 | ||
111 | if (verbose > 3) | |
dc5ddbcc | 112 | fprintf(FERROR,"count=%d rem=%d n=%d flength=%d\n", |
c627d613 AT |
113 | s->count,s->remainder,s->n,(int)s->flength); |
114 | ||
115 | s->sums = (struct sum_buf *)malloc(sizeof(s->sums[0])*s->count); | |
116 | if (!s->sums) out_of_memory("generate_sums"); | |
117 | ||
118 | for (i=0;i<count;i++) { | |
119 | int n1 = MIN(len,n); | |
d9bea2dd | 120 | char *map = map_ptr(buf,offset,n1); |
c627d613 | 121 | |
d9bea2dd AT |
122 | s->sums[i].sum1 = get_checksum1(map,n1); |
123 | get_checksum2(map,n1,s->sums[i].sum2); | |
c627d613 AT |
124 | |
125 | s->sums[i].offset = offset; | |
126 | s->sums[i].len = n1; | |
127 | s->sums[i].i = i; | |
128 | ||
129 | if (verbose > 3) | |
dc5ddbcc | 130 | fprintf(FERROR,"chunk[%d] offset=%d len=%d sum1=%08x\n", |
c627d613 AT |
131 | i,(int)s->sums[i].offset,s->sums[i].len,s->sums[i].sum1); |
132 | ||
133 | len -= n1; | |
c627d613 AT |
134 | offset += n1; |
135 | } | |
136 | ||
137 | return s; | |
138 | } | |
139 | ||
140 | ||
141 | /* | |
142 | receive the checksums for a buffer | |
143 | */ | |
144 | static struct sum_struct *receive_sums(int f) | |
145 | { | |
146 | struct sum_struct *s; | |
147 | int i; | |
148 | off_t offset = 0; | |
149 | int block_len; | |
150 | ||
151 | s = (struct sum_struct *)malloc(sizeof(*s)); | |
152 | if (!s) out_of_memory("receive_sums"); | |
153 | ||
154 | s->count = read_int(f); | |
155 | s->n = read_int(f); | |
156 | s->remainder = read_int(f); | |
157 | s->sums = NULL; | |
158 | ||
159 | if (verbose > 3) | |
dc5ddbcc | 160 | fprintf(FERROR,"count=%d n=%d rem=%d\n", |
c627d613 AT |
161 | s->count,s->n,s->remainder); |
162 | ||
163 | block_len = s->n; | |
164 | ||
165 | if (s->count == 0) | |
166 | return(s); | |
167 | ||
168 | s->sums = (struct sum_buf *)malloc(sizeof(s->sums[0])*s->count); | |
169 | if (!s->sums) out_of_memory("receive_sums"); | |
170 | ||
171 | for (i=0;i<s->count;i++) { | |
172 | s->sums[i].sum1 = read_int(f); | |
43a481dc | 173 | read_buf(f,s->sums[i].sum2,csum_length); |
c627d613 AT |
174 | |
175 | s->sums[i].offset = offset; | |
176 | s->sums[i].i = i; | |
177 | ||
178 | if (i == s->count-1 && s->remainder != 0) { | |
179 | s->sums[i].len = s->remainder; | |
180 | } else { | |
181 | s->sums[i].len = s->n; | |
182 | } | |
183 | offset += s->sums[i].len; | |
184 | ||
185 | if (verbose > 3) | |
dc5ddbcc | 186 | fprintf(FERROR,"chunk[%d] len=%d offset=%d sum1=%08x\n", |
c627d613 AT |
187 | i,s->sums[i].len,(int)s->sums[i].offset,s->sums[i].sum1); |
188 | } | |
189 | ||
190 | s->flength = offset; | |
191 | ||
192 | return s; | |
193 | } | |
194 | ||
195 | ||
7b8356d0 AT |
196 | static int set_perms(char *fname,struct file_struct *file,struct stat *st, |
197 | int report) | |
c627d613 AT |
198 | { |
199 | int updated = 0; | |
200 | struct stat st2; | |
201 | ||
7b8356d0 | 202 | if (dry_run) return 0; |
c627d613 AT |
203 | |
204 | if (!st) { | |
7b8356d0 | 205 | if (lstat(fname,&st2) != 0) { |
dc5ddbcc | 206 | fprintf(FERROR,"stat %s : %s\n",fname,strerror(errno)); |
7b8356d0 | 207 | return 0; |
c627d613 AT |
208 | } |
209 | st = &st2; | |
210 | } | |
211 | ||
7bec6a5c AT |
212 | if (preserve_times && !S_ISLNK(st->st_mode) && |
213 | st->st_mtime != file->modtime) { | |
c627d613 AT |
214 | updated = 1; |
215 | if (set_modtime(fname,file->modtime) != 0) { | |
dc5ddbcc | 216 | fprintf(FERROR,"failed to set times on %s : %s\n", |
c627d613 | 217 | fname,strerror(errno)); |
7b8356d0 | 218 | return 0; |
c627d613 AT |
219 | } |
220 | } | |
221 | ||
222 | #ifdef HAVE_CHMOD | |
7bec6a5c AT |
223 | if (preserve_perms && !S_ISLNK(st->st_mode) && |
224 | st->st_mode != file->mode) { | |
c627d613 AT |
225 | updated = 1; |
226 | if (chmod(fname,file->mode) != 0) { | |
dc5ddbcc | 227 | fprintf(FERROR,"failed to set permissions on %s : %s\n", |
c627d613 | 228 | fname,strerror(errno)); |
7b8356d0 | 229 | return 0; |
c627d613 AT |
230 | } |
231 | } | |
232 | #endif | |
233 | ||
7b8356d0 | 234 | if ((am_root && preserve_uid && st->st_uid != file->uid) || |
c627d613 AT |
235 | (preserve_gid && st->st_gid != file->gid)) { |
236 | updated = 1; | |
237 | if (chown(fname, | |
7b8356d0 | 238 | (am_root&&preserve_uid)?file->uid:-1, |
c627d613 AT |
239 | preserve_gid?file->gid:-1) != 0) { |
240 | if (verbose>1 || preserve_uid) | |
dc5ddbcc | 241 | fprintf(FERROR,"chown %s : %s\n",fname,strerror(errno)); |
7b8356d0 | 242 | return updated; |
c627d613 AT |
243 | } |
244 | } | |
245 | ||
246 | if (verbose > 1 && report) { | |
247 | if (updated) | |
dc5ddbcc | 248 | fprintf(FINFO,"%s\n",fname); |
c627d613 | 249 | else |
dc5ddbcc | 250 | fprintf(FINFO,"%s is uptodate\n",fname); |
c627d613 | 251 | } |
7b8356d0 | 252 | return updated; |
c627d613 AT |
253 | } |
254 | ||
255 | ||
256 | void recv_generator(char *fname,struct file_list *flist,int i,int f_out) | |
257 | { | |
258 | int fd; | |
259 | struct stat st; | |
c6e7fcb4 | 260 | struct map_struct *buf; |
c627d613 | 261 | struct sum_struct *s; |
ebb0a6f6 | 262 | char sum[MD4_SUM_LENGTH]; |
c627d613 | 263 | int statret; |
dc5ddbcc | 264 | struct file_struct *file = &flist->files[i]; |
c627d613 AT |
265 | |
266 | if (verbose > 2) | |
9e31c482 | 267 | fprintf(FERROR,"recv_generator(%s,%d)\n",fname,i); |
c627d613 AT |
268 | |
269 | statret = lstat(fname,&st); | |
270 | ||
7b8356d0 AT |
271 | if (S_ISDIR(file->mode)) { |
272 | if (dry_run) return; | |
273 | if (statret == 0 && !S_ISDIR(st.st_mode)) { | |
274 | if (unlink(fname) != 0) { | |
275 | fprintf(FERROR,"unlink %s : %s\n",fname,strerror(errno)); | |
276 | return; | |
277 | } | |
278 | statret = -1; | |
279 | } | |
280 | if (statret != 0 && mkdir(fname,file->mode) != 0 && errno != EEXIST) | |
281 | fprintf(FERROR,"mkdir %s : %s\n",fname,strerror(errno)); | |
282 | if (set_perms(fname,file,NULL,0) && verbose) | |
283 | fprintf(FINFO,"%s/\n",fname); | |
284 | return; | |
285 | } | |
286 | ||
c627d613 | 287 | #if SUPPORT_LINKS |
dc5ddbcc | 288 | if (preserve_links && S_ISLNK(file->mode)) { |
c627d613 AT |
289 | char lnk[MAXPATHLEN]; |
290 | int l; | |
291 | if (statret == 0) { | |
292 | l = readlink(fname,lnk,MAXPATHLEN-1); | |
293 | if (l > 0) { | |
294 | lnk[l] = 0; | |
dc5ddbcc AT |
295 | if (strcmp(lnk,file->link) == 0) { |
296 | set_perms(fname,file,&st,1); | |
c627d613 AT |
297 | return; |
298 | } | |
299 | } | |
300 | } | |
301 | if (!dry_run) unlink(fname); | |
dc5ddbcc AT |
302 | if (!dry_run && symlink(file->link,fname) != 0) { |
303 | fprintf(FERROR,"link %s -> %s : %s\n", | |
304 | fname,file->link,strerror(errno)); | |
c627d613 | 305 | } else { |
dc5ddbcc | 306 | set_perms(fname,file,NULL,0); |
c627d613 | 307 | if (verbose) |
dc5ddbcc AT |
308 | fprintf(FINFO,"%s -> %s\n", |
309 | fname,file->link); | |
c627d613 AT |
310 | } |
311 | return; | |
312 | } | |
313 | #endif | |
314 | ||
315 | #ifdef HAVE_MKNOD | |
7b8356d0 | 316 | if (am_root && preserve_devices && IS_DEVICE(file->mode)) { |
c627d613 | 317 | if (statret != 0 || |
dc5ddbcc AT |
318 | st.st_mode != file->mode || |
319 | st.st_rdev != file->rdev) { | |
c627d613 AT |
320 | if (!dry_run) unlink(fname); |
321 | if (verbose > 2) | |
dc5ddbcc AT |
322 | fprintf(FERROR,"mknod(%s,0%o,0x%x)\n", |
323 | fname,(int)file->mode,(int)file->rdev); | |
c627d613 | 324 | if (!dry_run && |
dc5ddbcc AT |
325 | mknod(fname,file->mode,file->rdev) != 0) { |
326 | fprintf(FERROR,"mknod %s : %s\n",fname,strerror(errno)); | |
c627d613 | 327 | } else { |
dc5ddbcc | 328 | set_perms(fname,file,NULL,0); |
c627d613 | 329 | if (verbose) |
dc5ddbcc | 330 | fprintf(FINFO,"%s\n",fname); |
c627d613 AT |
331 | } |
332 | } else { | |
dc5ddbcc | 333 | set_perms(fname,file,&st,1); |
c627d613 AT |
334 | } |
335 | return; | |
336 | } | |
337 | #endif | |
338 | ||
dc5ddbcc AT |
339 | if (preserve_hard_links && check_hard_link(file)) { |
340 | if (verbose > 1) | |
341 | fprintf(FINFO,"%s is a hard link\n",file->name); | |
342 | return; | |
343 | } | |
344 | ||
345 | if (!S_ISREG(file->mode)) { | |
346 | fprintf(FERROR,"skipping non-regular file %s\n",fname); | |
c627d613 AT |
347 | return; |
348 | } | |
349 | ||
350 | if (statret == -1) { | |
351 | if (errno == ENOENT) { | |
352 | write_int(f_out,i); | |
353 | if (!dry_run) send_sums(NULL,f_out); | |
354 | } else { | |
355 | if (verbose > 1) | |
dc5ddbcc | 356 | fprintf(FERROR,"recv_generator failed to open %s\n",fname); |
c627d613 AT |
357 | } |
358 | return; | |
359 | } | |
360 | ||
361 | if (!S_ISREG(st.st_mode)) { | |
7b8356d0 AT |
362 | /* its not a regular file on the receiving end, but it is on the |
363 | sending end. If its a directory then skip it (too dangerous to | |
364 | do a recursive deletion??) otherwise try to unlink it */ | |
365 | if (S_ISDIR(st.st_mode)) { | |
366 | fprintf(FERROR,"ERROR: %s is a directory\n",fname); | |
367 | return; | |
368 | } | |
369 | if (unlink(fname) != 0) { | |
370 | fprintf(FERROR,"%s : not a regular file (generator)\n",fname); | |
371 | return; | |
372 | } | |
373 | ||
374 | /* now pretend the file didn't exist */ | |
375 | write_int(f_out,i); | |
376 | if (!dry_run) send_sums(NULL,f_out); | |
c627d613 AT |
377 | return; |
378 | } | |
379 | ||
dc5ddbcc | 380 | if (update_only && st.st_mtime >= file->modtime) { |
c627d613 | 381 | if (verbose > 1) |
dc5ddbcc | 382 | fprintf(FERROR,"%s is newer\n",fname); |
c627d613 AT |
383 | return; |
384 | } | |
385 | ||
386 | if (always_checksum && S_ISREG(st.st_mode)) { | |
387 | file_checksum(fname,sum,st.st_size); | |
388 | } | |
389 | ||
dc5ddbcc AT |
390 | if (st.st_size == file->length && |
391 | ((!ignore_times && st.st_mtime == file->modtime) || | |
c627d613 | 392 | (always_checksum && S_ISREG(st.st_mode) && |
dc5ddbcc AT |
393 | memcmp(sum,file->sum,csum_length) == 0))) { |
394 | set_perms(fname,file,&st,1); | |
c627d613 AT |
395 | return; |
396 | } | |
397 | ||
398 | if (dry_run) { | |
399 | write_int(f_out,i); | |
400 | return; | |
401 | } | |
402 | ||
403 | /* open the file */ | |
404 | fd = open(fname,O_RDONLY); | |
405 | ||
406 | if (fd == -1) { | |
dc5ddbcc | 407 | fprintf(FERROR,"failed to open %s : %s\n",fname,strerror(errno)); |
c627d613 AT |
408 | return; |
409 | } | |
410 | ||
411 | if (st.st_size > 0) { | |
412 | buf = map_file(fd,st.st_size); | |
c627d613 AT |
413 | } else { |
414 | buf = NULL; | |
415 | } | |
416 | ||
417 | if (verbose > 3) | |
9e31c482 | 418 | fprintf(FERROR,"gen mapped %s of size %d\n",fname,(int)st.st_size); |
c627d613 AT |
419 | |
420 | s = generate_sums(buf,st.st_size,block_size); | |
421 | ||
9e31c482 AT |
422 | if (verbose > 2) |
423 | fprintf(FERROR,"sending sums for %d\n",i); | |
424 | ||
c627d613 AT |
425 | write_int(f_out,i); |
426 | send_sums(s,f_out); | |
427 | write_flush(f_out); | |
428 | ||
429 | close(fd); | |
1cdc8b50 | 430 | if (buf) unmap_file(buf); |
c627d613 AT |
431 | |
432 | free_sums(s); | |
433 | } | |
434 | ||
435 | ||
436 | ||
9e31c482 | 437 | static int receive_data(int f_in,struct map_struct *buf,int fd,char *fname) |
c627d613 AT |
438 | { |
439 | int i,n,remainder,len,count; | |
440 | off_t offset = 0; | |
441 | off_t offset2; | |
70d794dc | 442 | char *data; |
ebb0a6f6 AT |
443 | static char file_sum1[MD4_SUM_LENGTH]; |
444 | static char file_sum2[MD4_SUM_LENGTH]; | |
9e31c482 | 445 | char *map=NULL; |
c627d613 AT |
446 | |
447 | count = read_int(f_in); | |
448 | n = read_int(f_in); | |
449 | remainder = read_int(f_in); | |
450 | ||
9e31c482 AT |
451 | sum_init(); |
452 | ||
70d794dc | 453 | for (i=recv_token(f_in,&data); i != 0; i=recv_token(f_in,&data)) { |
c627d613 AT |
454 | if (i > 0) { |
455 | if (verbose > 3) | |
dc5ddbcc | 456 | fprintf(FERROR,"data recv %d at %d\n",i,(int)offset); |
c627d613 | 457 | |
9e31c482 AT |
458 | sum_update(data,i); |
459 | ||
7b8356d0 | 460 | if (fd != -1 && write_sparse(fd,data,i) != i) { |
dc5ddbcc | 461 | fprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno)); |
34ccb63e | 462 | exit_cleanup(1); |
c627d613 AT |
463 | } |
464 | offset += i; | |
465 | } else { | |
466 | i = -(i+1); | |
467 | offset2 = i*n; | |
468 | len = n; | |
469 | if (i == count-1 && remainder != 0) | |
470 | len = remainder; | |
471 | ||
472 | if (verbose > 3) | |
dc5ddbcc | 473 | fprintf(FERROR,"chunk[%d] of size %d at %d offset=%d\n", |
c627d613 AT |
474 | i,len,(int)offset2,(int)offset); |
475 | ||
9e31c482 AT |
476 | map = map_ptr(buf,offset2,len); |
477 | ||
861c20b4 | 478 | see_token(map, len); |
9e31c482 AT |
479 | sum_update(map,len); |
480 | ||
7b8356d0 | 481 | if (fd != -1 && write_sparse(fd,map,len) != len) { |
dc5ddbcc | 482 | fprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno)); |
34ccb63e | 483 | exit_cleanup(1); |
c627d613 AT |
484 | } |
485 | offset += len; | |
486 | } | |
487 | } | |
7bec6a5c | 488 | |
7b8356d0 | 489 | if (fd != -1 && offset > 0 && sparse_end(fd) != 0) { |
dc5ddbcc | 490 | fprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno)); |
34ccb63e | 491 | exit_cleanup(1); |
7bec6a5c | 492 | } |
9e31c482 AT |
493 | |
494 | sum_end(file_sum1); | |
495 | ||
496 | if (remote_version >= 14) { | |
ebb0a6f6 | 497 | read_buf(f_in,file_sum2,MD4_SUM_LENGTH); |
9e31c482 AT |
498 | if (verbose > 2) |
499 | fprintf(FERROR,"got file_sum\n"); | |
7b8356d0 | 500 | if (fd != -1 && memcmp(file_sum1,file_sum2,MD4_SUM_LENGTH) != 0) |
9e31c482 AT |
501 | return 0; |
502 | } | |
503 | return 1; | |
c627d613 AT |
504 | } |
505 | ||
506 | ||
507 | static void delete_one(struct file_struct *f) | |
508 | { | |
509 | if (!S_ISDIR(f->mode)) { | |
510 | if (!dry_run && unlink(f->name) != 0) { | |
dc5ddbcc | 511 | fprintf(FERROR,"unlink %s : %s\n",f->name,strerror(errno)); |
c627d613 | 512 | } else if (verbose) { |
dc5ddbcc | 513 | fprintf(FERROR,"deleting %s\n",f->name); |
c627d613 AT |
514 | } |
515 | } else { | |
516 | if (!dry_run && rmdir(f->name) != 0) { | |
517 | if (errno != ENOTEMPTY) | |
dc5ddbcc | 518 | fprintf(FERROR,"rmdir %s : %s\n",f->name,strerror(errno)); |
c627d613 | 519 | } else if (verbose) { |
dc5ddbcc | 520 | fprintf(FERROR,"deleting directory %s\n",f->name); |
c627d613 AT |
521 | } |
522 | } | |
523 | } | |
524 | ||
525 | ||
526 | static void delete_files(struct file_list *flist) | |
527 | { | |
528 | struct file_list *local_file_list; | |
529 | char *dot="."; | |
530 | int i; | |
531 | ||
4fe159a8 | 532 | if (cvs_exclude) |
79fbb6f5 | 533 | add_cvs_excludes(); |
4fe159a8 | 534 | |
a06d19e3 | 535 | if (!(local_file_list = send_file_list(-1,1,&dot))) |
c627d613 AT |
536 | return; |
537 | ||
538 | for (i=local_file_list->count;i>=0;i--) { | |
539 | if (!local_file_list->files[i].name) continue; | |
540 | if (-1 == flist_find(flist,&local_file_list->files[i])) { | |
541 | delete_one(&local_file_list->files[i]); | |
542 | } | |
543 | } | |
544 | } | |
545 | ||
546 | static char *cleanup_fname = NULL; | |
547 | ||
34ccb63e | 548 | void exit_cleanup(int code) |
c627d613 AT |
549 | { |
550 | if (cleanup_fname) | |
551 | unlink(cleanup_fname); | |
34ccb63e AT |
552 | exit(code); |
553 | } | |
554 | ||
555 | void sig_int(void) | |
556 | { | |
557 | exit_cleanup(1); | |
c627d613 AT |
558 | } |
559 | ||
560 | ||
c6e7fcb4 | 561 | int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen) |
c627d613 AT |
562 | { |
563 | int fd1,fd2; | |
564 | struct stat st; | |
565 | char *fname; | |
566 | char fnametmp[MAXPATHLEN]; | |
c6e7fcb4 | 567 | struct map_struct *buf; |
c627d613 | 568 | int i; |
dc5ddbcc | 569 | struct file_struct *file; |
c6e7fcb4 | 570 | int phase=0; |
9e31c482 | 571 | int recv_ok; |
c627d613 | 572 | |
981791bd | 573 | if (verbose > 2) { |
dc5ddbcc | 574 | fprintf(FERROR,"recv_files(%d) starting\n",flist->count); |
981791bd | 575 | } |
c627d613 AT |
576 | |
577 | if (recurse && delete_mode && !local_name && flist->count>0) { | |
578 | delete_files(flist); | |
579 | } | |
580 | ||
581 | while (1) | |
9e31c482 | 582 | { |
c627d613 | 583 | i = read_int(f_in); |
c6e7fcb4 AT |
584 | if (i == -1) { |
585 | if (phase==0 && remote_version >= 13) { | |
586 | phase++; | |
9e31c482 AT |
587 | csum_length = SUM_LENGTH; |
588 | if (verbose > 2) | |
589 | fprintf(FERROR,"recv_files phase=%d\n",phase); | |
c6e7fcb4 AT |
590 | write_int(f_gen,-1); |
591 | write_flush(f_gen); | |
592 | continue; | |
593 | } | |
594 | break; | |
595 | } | |
c627d613 | 596 | |
dc5ddbcc AT |
597 | file = &flist->files[i]; |
598 | fname = file->name; | |
c627d613 AT |
599 | |
600 | if (local_name) | |
601 | fname = local_name; | |
602 | ||
603 | if (dry_run) { | |
604 | if (!am_server && verbose) | |
605 | printf("%s\n",fname); | |
606 | continue; | |
607 | } | |
608 | ||
609 | if (verbose > 2) | |
dc5ddbcc | 610 | fprintf(FERROR,"recv_files(%s)\n",fname); |
c627d613 AT |
611 | |
612 | /* open the file */ | |
ac1eb754 | 613 | fd1 = open(fname,O_RDONLY); |
c627d613 | 614 | |
ac1eb754 | 615 | if (fd1 != -1 && fstat(fd1,&st) != 0) { |
dc5ddbcc | 616 | fprintf(FERROR,"fstat %s : %s\n",fname,strerror(errno)); |
7b8356d0 | 617 | receive_data(f_in,NULL,-1,NULL); |
c627d613 | 618 | close(fd1); |
7b8356d0 | 619 | continue; |
c627d613 AT |
620 | } |
621 | ||
ac1eb754 | 622 | if (fd1 != -1 && !S_ISREG(st.st_mode)) { |
7b8356d0 AT |
623 | fprintf(FERROR,"%s : not a regular file (recv_files)\n",fname); |
624 | receive_data(f_in,NULL,-1,NULL); | |
c627d613 | 625 | close(fd1); |
7b8356d0 | 626 | continue; |
c627d613 AT |
627 | } |
628 | ||
ac1eb754 | 629 | if (fd1 != -1 && st.st_size > 0) { |
c627d613 | 630 | buf = map_file(fd1,st.st_size); |
9e31c482 AT |
631 | if (verbose > 2) |
632 | fprintf(FERROR,"recv mapped %s of size %d\n",fname,(int)st.st_size); | |
c627d613 AT |
633 | } else { |
634 | buf = NULL; | |
635 | } | |
636 | ||
c627d613 AT |
637 | /* open tmp file */ |
638 | sprintf(fnametmp,"%s.XXXXXX",fname); | |
639 | if (NULL == mktemp(fnametmp)) { | |
dc5ddbcc | 640 | fprintf(FERROR,"mktemp %s failed\n",fnametmp); |
7b8356d0 AT |
641 | receive_data(f_in,buf,-1,NULL); |
642 | if (buf) unmap_file(buf); | |
643 | close(fd1); | |
644 | continue; | |
c627d613 | 645 | } |
dc5ddbcc | 646 | fd2 = open(fnametmp,O_WRONLY|O_CREAT,file->mode); |
c627d613 | 647 | if (fd2 == -1) { |
dc5ddbcc | 648 | fprintf(FERROR,"open %s : %s\n",fnametmp,strerror(errno)); |
7b8356d0 AT |
649 | receive_data(f_in,buf,-1,NULL); |
650 | if (buf) unmap_file(buf); | |
651 | close(fd1); | |
652 | continue; | |
c627d613 AT |
653 | } |
654 | ||
655 | cleanup_fname = fnametmp; | |
656 | ||
657 | if (!am_server && verbose) | |
658 | printf("%s\n",fname); | |
659 | ||
660 | /* recv file data */ | |
9e31c482 | 661 | recv_ok = receive_data(f_in,buf,fd2,fname); |
c627d613 | 662 | |
981791bd | 663 | if (fd1 != -1) { |
1cdc8b50 | 664 | if (buf) unmap_file(buf); |
981791bd AT |
665 | close(fd1); |
666 | } | |
c627d613 AT |
667 | close(fd2); |
668 | ||
669 | if (verbose > 2) | |
dc5ddbcc | 670 | fprintf(FERROR,"renaming %s to %s\n",fnametmp,fname); |
c627d613 AT |
671 | |
672 | if (make_backups) { | |
673 | char fnamebak[MAXPATHLEN]; | |
674 | sprintf(fnamebak,"%s%s",fname,backup_suffix); | |
ac1eb754 | 675 | if (rename(fname,fnamebak) != 0 && errno != ENOENT) { |
dc5ddbcc | 676 | fprintf(FERROR,"rename %s %s : %s\n",fname,fnamebak,strerror(errno)); |
7b8356d0 | 677 | continue; |
c627d613 AT |
678 | } |
679 | } | |
680 | ||
681 | /* move tmp file over real file */ | |
682 | if (rename(fnametmp,fname) != 0) { | |
dc5ddbcc | 683 | fprintf(FERROR,"rename %s -> %s : %s\n", |
c627d613 | 684 | fnametmp,fname,strerror(errno)); |
7b8356d0 | 685 | unlink(fnametmp); |
c627d613 AT |
686 | } |
687 | ||
688 | cleanup_fname = NULL; | |
689 | ||
dc5ddbcc | 690 | set_perms(fname,file,NULL,0); |
9e31c482 AT |
691 | |
692 | if (!recv_ok) { | |
693 | if (verbose > 1) | |
694 | fprintf(FERROR,"redoing %s(%d)\n",fname,i); | |
52296954 AT |
695 | if (csum_length == SUM_LENGTH) |
696 | fprintf(FERROR,"ERROR: file corruption in %s\n",fname); | |
9e31c482 AT |
697 | write_int(f_gen,i); |
698 | } | |
c627d613 AT |
699 | } |
700 | ||
7b8356d0 AT |
701 | /* now we need to fix any directory permissions that were |
702 | modified during the transfer */ | |
703 | if (!am_root) { | |
704 | for (i = 0; i < flist->count; i++) { | |
705 | struct file_struct *file = &flist->files[i]; | |
706 | if (!file->name || !S_ISDIR(file->mode)) continue; | |
707 | recv_generator(file->name,flist,i,-1); | |
708 | } | |
709 | } | |
710 | ||
711 | ||
c627d613 | 712 | if (verbose > 2) |
dc5ddbcc | 713 | fprintf(FERROR,"recv_files finished\n"); |
c627d613 AT |
714 | |
715 | return 0; | |
716 | } | |
717 | ||
718 | ||
719 | ||
720 | off_t send_files(struct file_list *flist,int f_out,int f_in) | |
721 | { | |
722 | int fd; | |
723 | struct sum_struct *s; | |
c6e7fcb4 | 724 | struct map_struct *buf; |
c627d613 AT |
725 | struct stat st; |
726 | char fname[MAXPATHLEN]; | |
727 | off_t total=0; | |
728 | int i; | |
dc5ddbcc | 729 | struct file_struct *file; |
c6e7fcb4 | 730 | int phase = 0; |
c627d613 AT |
731 | |
732 | if (verbose > 2) | |
dc5ddbcc | 733 | fprintf(FERROR,"send_files starting\n"); |
c627d613 | 734 | |
720b47f2 AT |
735 | setup_nonblocking(f_in,f_out); |
736 | ||
c627d613 AT |
737 | while (1) |
738 | { | |
739 | i = read_int(f_in); | |
c6e7fcb4 AT |
740 | if (i == -1) { |
741 | if (phase==0 && remote_version >= 13) { | |
742 | phase++; | |
9e31c482 | 743 | csum_length = SUM_LENGTH; |
c6e7fcb4 AT |
744 | write_int(f_out,-1); |
745 | write_flush(f_out); | |
9e31c482 AT |
746 | if (verbose > 2) |
747 | fprintf(FERROR,"send_files phase=%d\n",phase); | |
c6e7fcb4 AT |
748 | continue; |
749 | } | |
750 | break; | |
751 | } | |
c627d613 | 752 | |
dc5ddbcc AT |
753 | file = &flist->files[i]; |
754 | ||
c627d613 | 755 | fname[0] = 0; |
dc5ddbcc AT |
756 | if (file->dir) { |
757 | strcpy(fname,file->dir); | |
c627d613 AT |
758 | strcat(fname,"/"); |
759 | } | |
dc5ddbcc | 760 | strcat(fname,file->name); |
c627d613 AT |
761 | |
762 | if (verbose > 2) | |
dc5ddbcc | 763 | fprintf(FERROR,"send_files(%d,%s)\n",i,fname); |
c627d613 AT |
764 | |
765 | if (dry_run) { | |
766 | if (!am_server && verbose) | |
767 | printf("%s\n",fname); | |
768 | write_int(f_out,i); | |
769 | continue; | |
770 | } | |
771 | ||
772 | s = receive_sums(f_in); | |
773 | if (!s) { | |
dc5ddbcc | 774 | fprintf(FERROR,"receive_sums failed\n"); |
c627d613 AT |
775 | return -1; |
776 | } | |
777 | ||
778 | fd = open(fname,O_RDONLY); | |
779 | if (fd == -1) { | |
dc5ddbcc | 780 | fprintf(FERROR,"send_files failed to open %s: %s\n", |
c627d613 AT |
781 | fname,strerror(errno)); |
782 | continue; | |
783 | } | |
784 | ||
785 | /* map the local file */ | |
786 | if (fstat(fd,&st) != 0) { | |
dc5ddbcc | 787 | fprintf(FERROR,"fstat failed : %s\n",strerror(errno)); |
c627d613 AT |
788 | return -1; |
789 | } | |
790 | ||
791 | if (st.st_size > 0) { | |
792 | buf = map_file(fd,st.st_size); | |
c627d613 AT |
793 | } else { |
794 | buf = NULL; | |
795 | } | |
796 | ||
797 | if (verbose > 2) | |
dc5ddbcc | 798 | fprintf(FERROR,"send_files mapped %s of size %d\n", |
c627d613 AT |
799 | fname,(int)st.st_size); |
800 | ||
801 | write_int(f_out,i); | |
802 | ||
803 | write_int(f_out,s->count); | |
804 | write_int(f_out,s->n); | |
805 | write_int(f_out,s->remainder); | |
806 | ||
807 | if (verbose > 2) | |
dc5ddbcc | 808 | fprintf(FERROR,"calling match_sums %s\n",fname); |
c627d613 AT |
809 | |
810 | if (!am_server && verbose) | |
811 | printf("%s\n",fname); | |
812 | ||
720b47f2 | 813 | match_sums(f_out,s,buf,st.st_size); |
c627d613 AT |
814 | write_flush(f_out); |
815 | ||
1cdc8b50 | 816 | if (buf) unmap_file(buf); |
c627d613 AT |
817 | close(fd); |
818 | ||
819 | free_sums(s); | |
820 | ||
821 | if (verbose > 2) | |
dc5ddbcc | 822 | fprintf(FERROR,"sender finished %s\n",fname); |
c627d613 AT |
823 | |
824 | total += st.st_size; | |
825 | } | |
826 | ||
dc5ddbcc AT |
827 | if (verbose > 2) |
828 | fprintf(FERROR,"send files finished\n"); | |
829 | ||
c627d613 AT |
830 | match_report(); |
831 | ||
832 | write_int(f_out,-1); | |
833 | write_flush(f_out); | |
834 | ||
835 | return total; | |
836 | } | |
837 | ||
838 | ||
839 | ||
c6e7fcb4 | 840 | void generate_files(int f,struct file_list *flist,char *local_name,int f_recv) |
c627d613 AT |
841 | { |
842 | int i; | |
9e31c482 | 843 | int phase=0; |
c627d613 AT |
844 | |
845 | if (verbose > 2) | |
dc5ddbcc | 846 | fprintf(FERROR,"generator starting pid=%d count=%d\n", |
c627d613 AT |
847 | (int)getpid(),flist->count); |
848 | ||
849 | for (i = 0; i < flist->count; i++) { | |
dc5ddbcc | 850 | struct file_struct *file = &flist->files[i]; |
7b8356d0 | 851 | mode_t saved_mode = file->mode; |
dc5ddbcc | 852 | if (!file->name) continue; |
7b8356d0 AT |
853 | |
854 | /* we need to ensure that any directories we create have writeable | |
855 | permissions initially so that we can create the files within | |
856 | them. This is then fixed after the files are transferred */ | |
857 | if (!am_root && S_ISDIR(file->mode)) { | |
858 | file->mode |= S_IWUSR; /* user write */ | |
c627d613 | 859 | } |
7b8356d0 | 860 | |
dc5ddbcc | 861 | recv_generator(local_name?local_name:file->name, |
c627d613 | 862 | flist,i,f); |
7b8356d0 AT |
863 | |
864 | file->mode = saved_mode; | |
c627d613 | 865 | } |
c6e7fcb4 | 866 | |
9e31c482 AT |
867 | phase++; |
868 | csum_length = SUM_LENGTH; | |
869 | ignore_times=1; | |
870 | ||
871 | if (verbose > 2) | |
872 | fprintf(FERROR,"generate_files phase=%d\n",phase); | |
873 | ||
c627d613 AT |
874 | write_int(f,-1); |
875 | write_flush(f); | |
c6e7fcb4 AT |
876 | |
877 | if (remote_version >= 13) { | |
7b8356d0 AT |
878 | /* in newer versions of the protocol the files can cycle through |
879 | the system more than once to catch initial checksum errors */ | |
c6e7fcb4 AT |
880 | for (i=read_int(f_recv); i != -1; i=read_int(f_recv)) { |
881 | struct file_struct *file = &flist->files[i]; | |
882 | recv_generator(local_name?local_name:file->name, | |
883 | flist,i,f); | |
884 | } | |
885 | ||
9e31c482 AT |
886 | phase++; |
887 | if (verbose > 2) | |
888 | fprintf(FERROR,"generate_files phase=%d\n",phase); | |
889 | ||
c6e7fcb4 AT |
890 | write_int(f,-1); |
891 | write_flush(f); | |
892 | } | |
893 | ||
894 | ||
c627d613 | 895 | if (verbose > 2) |
dc5ddbcc | 896 | fprintf(FERROR,"generator wrote %d\n",write_total()); |
c627d613 | 897 | } |
dc5ddbcc AT |
898 | |
899 |