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; |
6574b4f7 | 49 | extern int relative_paths; |
c627d613 AT |
50 | |
51 | /* | |
52 | free a sums struct | |
53 | */ | |
54 | static void free_sums(struct sum_struct *s) | |
55 | { | |
56 | if (s->sums) free(s->sums); | |
57 | free(s); | |
58 | } | |
59 | ||
60 | ||
61 | ||
62 | /* | |
63 | send a sums struct down a fd | |
64 | */ | |
65 | static void send_sums(struct sum_struct *s,int f_out) | |
66 | { | |
67 | int i; | |
68 | ||
69 | /* tell the other guy how many we are going to be doing and how many | |
70 | bytes there are in the last chunk */ | |
71 | write_int(f_out,s?s->count:0); | |
72 | write_int(f_out,s?s->n:block_size); | |
73 | write_int(f_out,s?s->remainder:0); | |
74 | if (s) | |
75 | for (i=0;i<s->count;i++) { | |
76 | write_int(f_out,s->sums[i].sum1); | |
43a481dc | 77 | write_buf(f_out,s->sums[i].sum2,csum_length); |
c627d613 AT |
78 | } |
79 | write_flush(f_out); | |
80 | } | |
81 | ||
82 | ||
83 | /* | |
84 | generate a stream of signatures/checksums that describe a buffer | |
85 | ||
86 | generate approximately one checksum every n bytes | |
87 | */ | |
c6e7fcb4 | 88 | static struct sum_struct *generate_sums(struct map_struct *buf,off_t len,int n) |
c627d613 AT |
89 | { |
90 | int i; | |
91 | struct sum_struct *s; | |
92 | int count; | |
93 | int block_len = n; | |
94 | int remainder = (len%block_len); | |
95 | off_t offset = 0; | |
96 | ||
97 | count = (len+(block_len-1))/block_len; | |
98 | ||
99 | s = (struct sum_struct *)malloc(sizeof(*s)); | |
100 | if (!s) out_of_memory("generate_sums"); | |
101 | ||
102 | s->count = count; | |
103 | s->remainder = remainder; | |
104 | s->n = n; | |
105 | s->flength = len; | |
106 | ||
107 | if (count==0) { | |
108 | s->sums = NULL; | |
109 | return s; | |
110 | } | |
111 | ||
112 | if (verbose > 3) | |
dc5ddbcc | 113 | fprintf(FERROR,"count=%d rem=%d n=%d flength=%d\n", |
c627d613 AT |
114 | s->count,s->remainder,s->n,(int)s->flength); |
115 | ||
116 | s->sums = (struct sum_buf *)malloc(sizeof(s->sums[0])*s->count); | |
117 | if (!s->sums) out_of_memory("generate_sums"); | |
118 | ||
119 | for (i=0;i<count;i++) { | |
120 | int n1 = MIN(len,n); | |
d9bea2dd | 121 | char *map = map_ptr(buf,offset,n1); |
c627d613 | 122 | |
d9bea2dd AT |
123 | s->sums[i].sum1 = get_checksum1(map,n1); |
124 | get_checksum2(map,n1,s->sums[i].sum2); | |
c627d613 AT |
125 | |
126 | s->sums[i].offset = offset; | |
127 | s->sums[i].len = n1; | |
128 | s->sums[i].i = i; | |
129 | ||
130 | if (verbose > 3) | |
dc5ddbcc | 131 | fprintf(FERROR,"chunk[%d] offset=%d len=%d sum1=%08x\n", |
c627d613 AT |
132 | i,(int)s->sums[i].offset,s->sums[i].len,s->sums[i].sum1); |
133 | ||
134 | len -= n1; | |
c627d613 AT |
135 | offset += n1; |
136 | } | |
137 | ||
138 | return s; | |
139 | } | |
140 | ||
141 | ||
142 | /* | |
143 | receive the checksums for a buffer | |
144 | */ | |
145 | static struct sum_struct *receive_sums(int f) | |
146 | { | |
147 | struct sum_struct *s; | |
148 | int i; | |
149 | off_t offset = 0; | |
c627d613 AT |
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 | ||
c627d613 AT |
163 | if (s->count == 0) |
164 | return(s); | |
165 | ||
166 | s->sums = (struct sum_buf *)malloc(sizeof(s->sums[0])*s->count); | |
167 | if (!s->sums) out_of_memory("receive_sums"); | |
168 | ||
169 | for (i=0;i<s->count;i++) { | |
170 | s->sums[i].sum1 = read_int(f); | |
43a481dc | 171 | read_buf(f,s->sums[i].sum2,csum_length); |
c627d613 AT |
172 | |
173 | s->sums[i].offset = offset; | |
174 | s->sums[i].i = i; | |
175 | ||
176 | if (i == s->count-1 && s->remainder != 0) { | |
177 | s->sums[i].len = s->remainder; | |
178 | } else { | |
179 | s->sums[i].len = s->n; | |
180 | } | |
181 | offset += s->sums[i].len; | |
182 | ||
183 | if (verbose > 3) | |
dc5ddbcc | 184 | fprintf(FERROR,"chunk[%d] len=%d offset=%d sum1=%08x\n", |
c627d613 AT |
185 | i,s->sums[i].len,(int)s->sums[i].offset,s->sums[i].sum1); |
186 | } | |
187 | ||
188 | s->flength = offset; | |
189 | ||
190 | return s; | |
191 | } | |
192 | ||
193 | ||
7b8356d0 AT |
194 | static int set_perms(char *fname,struct file_struct *file,struct stat *st, |
195 | int report) | |
c627d613 AT |
196 | { |
197 | int updated = 0; | |
198 | struct stat st2; | |
199 | ||
7b8356d0 | 200 | if (dry_run) return 0; |
c627d613 AT |
201 | |
202 | if (!st) { | |
7b8356d0 | 203 | if (lstat(fname,&st2) != 0) { |
dc5ddbcc | 204 | fprintf(FERROR,"stat %s : %s\n",fname,strerror(errno)); |
7b8356d0 | 205 | return 0; |
c627d613 AT |
206 | } |
207 | st = &st2; | |
208 | } | |
209 | ||
7bec6a5c AT |
210 | if (preserve_times && !S_ISLNK(st->st_mode) && |
211 | st->st_mtime != file->modtime) { | |
c627d613 AT |
212 | updated = 1; |
213 | if (set_modtime(fname,file->modtime) != 0) { | |
dc5ddbcc | 214 | fprintf(FERROR,"failed to set times on %s : %s\n", |
c627d613 | 215 | fname,strerror(errno)); |
7b8356d0 | 216 | return 0; |
c627d613 AT |
217 | } |
218 | } | |
219 | ||
220 | #ifdef HAVE_CHMOD | |
7bec6a5c AT |
221 | if (preserve_perms && !S_ISLNK(st->st_mode) && |
222 | st->st_mode != file->mode) { | |
c627d613 AT |
223 | updated = 1; |
224 | if (chmod(fname,file->mode) != 0) { | |
dc5ddbcc | 225 | fprintf(FERROR,"failed to set permissions on %s : %s\n", |
c627d613 | 226 | fname,strerror(errno)); |
7b8356d0 | 227 | return 0; |
c627d613 AT |
228 | } |
229 | } | |
230 | #endif | |
231 | ||
7b8356d0 | 232 | if ((am_root && preserve_uid && st->st_uid != file->uid) || |
c627d613 AT |
233 | (preserve_gid && st->st_gid != file->gid)) { |
234 | updated = 1; | |
8bf73749 AT |
235 | if (lchown(fname, |
236 | (am_root&&preserve_uid)?file->uid:-1, | |
237 | preserve_gid?file->gid:-1) != 0) { | |
c627d613 | 238 | if (verbose>1 || preserve_uid) |
dc5ddbcc | 239 | fprintf(FERROR,"chown %s : %s\n",fname,strerror(errno)); |
7b8356d0 | 240 | return updated; |
c627d613 AT |
241 | } |
242 | } | |
243 | ||
244 | if (verbose > 1 && report) { | |
245 | if (updated) | |
dc5ddbcc | 246 | fprintf(FINFO,"%s\n",fname); |
c627d613 | 247 | else |
dc5ddbcc | 248 | fprintf(FINFO,"%s is uptodate\n",fname); |
c627d613 | 249 | } |
7b8356d0 | 250 | return updated; |
c627d613 AT |
251 | } |
252 | ||
253 | ||
254 | void recv_generator(char *fname,struct file_list *flist,int i,int f_out) | |
255 | { | |
256 | int fd; | |
257 | struct stat st; | |
c6e7fcb4 | 258 | struct map_struct *buf; |
c627d613 | 259 | struct sum_struct *s; |
ebb0a6f6 | 260 | char sum[MD4_SUM_LENGTH]; |
c627d613 | 261 | int statret; |
dc5ddbcc | 262 | struct file_struct *file = &flist->files[i]; |
c627d613 AT |
263 | |
264 | if (verbose > 2) | |
9e31c482 | 265 | fprintf(FERROR,"recv_generator(%s,%d)\n",fname,i); |
c627d613 AT |
266 | |
267 | statret = lstat(fname,&st); | |
268 | ||
7b8356d0 AT |
269 | if (S_ISDIR(file->mode)) { |
270 | if (dry_run) return; | |
271 | if (statret == 0 && !S_ISDIR(st.st_mode)) { | |
272 | if (unlink(fname) != 0) { | |
273 | fprintf(FERROR,"unlink %s : %s\n",fname,strerror(errno)); | |
274 | return; | |
275 | } | |
276 | statret = -1; | |
277 | } | |
6574b4f7 AT |
278 | if (statret != 0 && mkdir(fname,file->mode) != 0 && errno != EEXIST) { |
279 | if (!(relative_paths && errno==ENOENT && | |
280 | create_directory_path(fname)==0 && | |
281 | mkdir(fname,file->mode)==0)) { | |
282 | fprintf(FERROR,"mkdir %s : %s (2)\n", | |
283 | fname,strerror(errno)); | |
284 | } | |
285 | } | |
7b8356d0 AT |
286 | if (set_perms(fname,file,NULL,0) && verbose) |
287 | fprintf(FINFO,"%s/\n",fname); | |
288 | return; | |
289 | } | |
290 | ||
c627d613 | 291 | #if SUPPORT_LINKS |
dc5ddbcc | 292 | if (preserve_links && S_ISLNK(file->mode)) { |
c627d613 AT |
293 | char lnk[MAXPATHLEN]; |
294 | int l; | |
295 | if (statret == 0) { | |
296 | l = readlink(fname,lnk,MAXPATHLEN-1); | |
297 | if (l > 0) { | |
298 | lnk[l] = 0; | |
dc5ddbcc AT |
299 | if (strcmp(lnk,file->link) == 0) { |
300 | set_perms(fname,file,&st,1); | |
c627d613 AT |
301 | return; |
302 | } | |
303 | } | |
304 | } | |
305 | if (!dry_run) unlink(fname); | |
dc5ddbcc AT |
306 | if (!dry_run && symlink(file->link,fname) != 0) { |
307 | fprintf(FERROR,"link %s -> %s : %s\n", | |
308 | fname,file->link,strerror(errno)); | |
c627d613 | 309 | } else { |
dc5ddbcc | 310 | set_perms(fname,file,NULL,0); |
c627d613 | 311 | if (verbose) |
dc5ddbcc AT |
312 | fprintf(FINFO,"%s -> %s\n", |
313 | fname,file->link); | |
c627d613 AT |
314 | } |
315 | return; | |
316 | } | |
317 | #endif | |
318 | ||
319 | #ifdef HAVE_MKNOD | |
7b8356d0 | 320 | if (am_root && preserve_devices && IS_DEVICE(file->mode)) { |
c627d613 | 321 | if (statret != 0 || |
dc5ddbcc AT |
322 | st.st_mode != file->mode || |
323 | st.st_rdev != file->rdev) { | |
c627d613 AT |
324 | if (!dry_run) unlink(fname); |
325 | if (verbose > 2) | |
dc5ddbcc AT |
326 | fprintf(FERROR,"mknod(%s,0%o,0x%x)\n", |
327 | fname,(int)file->mode,(int)file->rdev); | |
c627d613 | 328 | if (!dry_run && |
dc5ddbcc AT |
329 | mknod(fname,file->mode,file->rdev) != 0) { |
330 | fprintf(FERROR,"mknod %s : %s\n",fname,strerror(errno)); | |
c627d613 | 331 | } else { |
dc5ddbcc | 332 | set_perms(fname,file,NULL,0); |
c627d613 | 333 | if (verbose) |
dc5ddbcc | 334 | fprintf(FINFO,"%s\n",fname); |
c627d613 AT |
335 | } |
336 | } else { | |
dc5ddbcc | 337 | set_perms(fname,file,&st,1); |
c627d613 AT |
338 | } |
339 | return; | |
340 | } | |
341 | #endif | |
342 | ||
dc5ddbcc AT |
343 | if (preserve_hard_links && check_hard_link(file)) { |
344 | if (verbose > 1) | |
345 | fprintf(FINFO,"%s is a hard link\n",file->name); | |
346 | return; | |
347 | } | |
348 | ||
349 | if (!S_ISREG(file->mode)) { | |
350 | fprintf(FERROR,"skipping non-regular file %s\n",fname); | |
c627d613 AT |
351 | return; |
352 | } | |
353 | ||
354 | if (statret == -1) { | |
355 | if (errno == ENOENT) { | |
356 | write_int(f_out,i); | |
357 | if (!dry_run) send_sums(NULL,f_out); | |
358 | } else { | |
359 | if (verbose > 1) | |
dc5ddbcc | 360 | fprintf(FERROR,"recv_generator failed to open %s\n",fname); |
c627d613 AT |
361 | } |
362 | return; | |
363 | } | |
364 | ||
365 | if (!S_ISREG(st.st_mode)) { | |
7b8356d0 AT |
366 | /* its not a regular file on the receiving end, but it is on the |
367 | sending end. If its a directory then skip it (too dangerous to | |
368 | do a recursive deletion??) otherwise try to unlink it */ | |
369 | if (S_ISDIR(st.st_mode)) { | |
370 | fprintf(FERROR,"ERROR: %s is a directory\n",fname); | |
371 | return; | |
372 | } | |
373 | if (unlink(fname) != 0) { | |
374 | fprintf(FERROR,"%s : not a regular file (generator)\n",fname); | |
375 | return; | |
376 | } | |
377 | ||
378 | /* now pretend the file didn't exist */ | |
379 | write_int(f_out,i); | |
380 | if (!dry_run) send_sums(NULL,f_out); | |
c627d613 AT |
381 | return; |
382 | } | |
383 | ||
dc5ddbcc | 384 | if (update_only && st.st_mtime >= file->modtime) { |
c627d613 | 385 | if (verbose > 1) |
dc5ddbcc | 386 | fprintf(FERROR,"%s is newer\n",fname); |
c627d613 AT |
387 | return; |
388 | } | |
389 | ||
390 | if (always_checksum && S_ISREG(st.st_mode)) { | |
391 | file_checksum(fname,sum,st.st_size); | |
392 | } | |
393 | ||
dc5ddbcc AT |
394 | if (st.st_size == file->length && |
395 | ((!ignore_times && st.st_mtime == file->modtime) || | |
c627d613 | 396 | (always_checksum && S_ISREG(st.st_mode) && |
dc5ddbcc AT |
397 | memcmp(sum,file->sum,csum_length) == 0))) { |
398 | set_perms(fname,file,&st,1); | |
c627d613 AT |
399 | return; |
400 | } | |
401 | ||
402 | if (dry_run) { | |
403 | write_int(f_out,i); | |
404 | return; | |
405 | } | |
406 | ||
407 | /* open the file */ | |
408 | fd = open(fname,O_RDONLY); | |
409 | ||
410 | if (fd == -1) { | |
dc5ddbcc | 411 | fprintf(FERROR,"failed to open %s : %s\n",fname,strerror(errno)); |
c627d613 AT |
412 | return; |
413 | } | |
414 | ||
415 | if (st.st_size > 0) { | |
416 | buf = map_file(fd,st.st_size); | |
c627d613 AT |
417 | } else { |
418 | buf = NULL; | |
419 | } | |
420 | ||
421 | if (verbose > 3) | |
9e31c482 | 422 | fprintf(FERROR,"gen mapped %s of size %d\n",fname,(int)st.st_size); |
c627d613 AT |
423 | |
424 | s = generate_sums(buf,st.st_size,block_size); | |
425 | ||
9e31c482 AT |
426 | if (verbose > 2) |
427 | fprintf(FERROR,"sending sums for %d\n",i); | |
428 | ||
c627d613 AT |
429 | write_int(f_out,i); |
430 | send_sums(s,f_out); | |
431 | write_flush(f_out); | |
432 | ||
433 | close(fd); | |
1cdc8b50 | 434 | if (buf) unmap_file(buf); |
c627d613 AT |
435 | |
436 | free_sums(s); | |
437 | } | |
438 | ||
439 | ||
440 | ||
9e31c482 | 441 | static int receive_data(int f_in,struct map_struct *buf,int fd,char *fname) |
c627d613 AT |
442 | { |
443 | int i,n,remainder,len,count; | |
444 | off_t offset = 0; | |
445 | off_t offset2; | |
70d794dc | 446 | char *data; |
ebb0a6f6 AT |
447 | static char file_sum1[MD4_SUM_LENGTH]; |
448 | static char file_sum2[MD4_SUM_LENGTH]; | |
9e31c482 | 449 | char *map=NULL; |
c627d613 AT |
450 | |
451 | count = read_int(f_in); | |
452 | n = read_int(f_in); | |
453 | remainder = read_int(f_in); | |
454 | ||
9e31c482 AT |
455 | sum_init(); |
456 | ||
70d794dc | 457 | for (i=recv_token(f_in,&data); i != 0; i=recv_token(f_in,&data)) { |
c627d613 AT |
458 | if (i > 0) { |
459 | if (verbose > 3) | |
dc5ddbcc | 460 | fprintf(FERROR,"data recv %d at %d\n",i,(int)offset); |
c627d613 | 461 | |
9e31c482 AT |
462 | sum_update(data,i); |
463 | ||
7b8356d0 | 464 | if (fd != -1 && write_sparse(fd,data,i) != i) { |
dc5ddbcc | 465 | fprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno)); |
34ccb63e | 466 | exit_cleanup(1); |
c627d613 AT |
467 | } |
468 | offset += i; | |
469 | } else { | |
470 | i = -(i+1); | |
471 | offset2 = i*n; | |
472 | len = n; | |
473 | if (i == count-1 && remainder != 0) | |
474 | len = remainder; | |
475 | ||
476 | if (verbose > 3) | |
dc5ddbcc | 477 | fprintf(FERROR,"chunk[%d] of size %d at %d offset=%d\n", |
c627d613 AT |
478 | i,len,(int)offset2,(int)offset); |
479 | ||
9e31c482 AT |
480 | map = map_ptr(buf,offset2,len); |
481 | ||
861c20b4 | 482 | see_token(map, len); |
9e31c482 AT |
483 | sum_update(map,len); |
484 | ||
7b8356d0 | 485 | if (fd != -1 && write_sparse(fd,map,len) != len) { |
dc5ddbcc | 486 | fprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno)); |
34ccb63e | 487 | exit_cleanup(1); |
c627d613 AT |
488 | } |
489 | offset += len; | |
490 | } | |
491 | } | |
7bec6a5c | 492 | |
7b8356d0 | 493 | if (fd != -1 && offset > 0 && sparse_end(fd) != 0) { |
dc5ddbcc | 494 | fprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno)); |
34ccb63e | 495 | exit_cleanup(1); |
7bec6a5c | 496 | } |
9e31c482 AT |
497 | |
498 | sum_end(file_sum1); | |
499 | ||
500 | if (remote_version >= 14) { | |
ebb0a6f6 | 501 | read_buf(f_in,file_sum2,MD4_SUM_LENGTH); |
9e31c482 AT |
502 | if (verbose > 2) |
503 | fprintf(FERROR,"got file_sum\n"); | |
7b8356d0 | 504 | if (fd != -1 && memcmp(file_sum1,file_sum2,MD4_SUM_LENGTH) != 0) |
9e31c482 AT |
505 | return 0; |
506 | } | |
507 | return 1; | |
c627d613 AT |
508 | } |
509 | ||
510 | ||
511 | static void delete_one(struct file_struct *f) | |
512 | { | |
513 | if (!S_ISDIR(f->mode)) { | |
514 | if (!dry_run && unlink(f->name) != 0) { | |
dc5ddbcc | 515 | fprintf(FERROR,"unlink %s : %s\n",f->name,strerror(errno)); |
c627d613 | 516 | } else if (verbose) { |
dc5ddbcc | 517 | fprintf(FERROR,"deleting %s\n",f->name); |
c627d613 AT |
518 | } |
519 | } else { | |
520 | if (!dry_run && rmdir(f->name) != 0) { | |
521 | if (errno != ENOTEMPTY) | |
dc5ddbcc | 522 | fprintf(FERROR,"rmdir %s : %s\n",f->name,strerror(errno)); |
c627d613 | 523 | } else if (verbose) { |
dc5ddbcc | 524 | fprintf(FERROR,"deleting directory %s\n",f->name); |
c627d613 AT |
525 | } |
526 | } | |
527 | } | |
528 | ||
529 | ||
e92338c8 AT |
530 | /* this deletes any files on the receiving side that are not present |
531 | on the sending side. For version 1.6.4 I have changed the behaviour | |
532 | to match more closely what most people seem to expect of this option */ | |
c627d613 AT |
533 | static void delete_files(struct file_list *flist) |
534 | { | |
535 | struct file_list *local_file_list; | |
536 | char *dot="."; | |
e92338c8 AT |
537 | int i, j; |
538 | char *last_name=NULL; | |
c627d613 | 539 | |
4fe159a8 | 540 | if (cvs_exclude) |
79fbb6f5 | 541 | add_cvs_excludes(); |
4fe159a8 | 542 | |
e92338c8 AT |
543 | for (j=0;j<flist->count;j++) { |
544 | if (!S_ISDIR(flist->files[j].mode)) continue; | |
545 | if (strcmp(flist->files[j].name,".")==0) continue; | |
546 | if (last_name && | |
547 | flist->files[j].name[strlen(last_name)] == '/' && | |
548 | strncmp(flist->files[j].name,last_name, strlen(last_name))==0) | |
549 | continue; | |
550 | last_name = flist->files[j].name; | |
551 | if (verbose > 1) | |
552 | fprintf(FINFO,"deleting in %s\n", last_name); | |
553 | if (!(local_file_list = send_file_list(-1,1,&last_name))) | |
554 | return; | |
555 | ||
556 | for (i=local_file_list->count-1;i>=0;i--) { | |
557 | if (!local_file_list->files[i].name) continue; | |
558 | if (-1 == flist_find(flist,&local_file_list->files[i])) { | |
559 | delete_one(&local_file_list->files[i]); | |
560 | } | |
561 | } | |
c627d613 AT |
562 | } |
563 | } | |
564 | ||
565 | static char *cleanup_fname = NULL; | |
566 | ||
34ccb63e | 567 | void exit_cleanup(int code) |
c627d613 AT |
568 | { |
569 | if (cleanup_fname) | |
570 | unlink(cleanup_fname); | |
34ccb63e AT |
571 | exit(code); |
572 | } | |
573 | ||
574 | void sig_int(void) | |
575 | { | |
576 | exit_cleanup(1); | |
c627d613 AT |
577 | } |
578 | ||
579 | ||
c6e7fcb4 | 580 | int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen) |
c627d613 AT |
581 | { |
582 | int fd1,fd2; | |
583 | struct stat st; | |
584 | char *fname; | |
585 | char fnametmp[MAXPATHLEN]; | |
c6e7fcb4 | 586 | struct map_struct *buf; |
c627d613 | 587 | int i; |
dc5ddbcc | 588 | struct file_struct *file; |
c6e7fcb4 | 589 | int phase=0; |
9e31c482 | 590 | int recv_ok; |
c627d613 | 591 | |
981791bd | 592 | if (verbose > 2) { |
dc5ddbcc | 593 | fprintf(FERROR,"recv_files(%d) starting\n",flist->count); |
981791bd | 594 | } |
c627d613 AT |
595 | |
596 | if (recurse && delete_mode && !local_name && flist->count>0) { | |
597 | delete_files(flist); | |
598 | } | |
599 | ||
600 | while (1) | |
9e31c482 | 601 | { |
c627d613 | 602 | i = read_int(f_in); |
c6e7fcb4 AT |
603 | if (i == -1) { |
604 | if (phase==0 && remote_version >= 13) { | |
605 | phase++; | |
9e31c482 AT |
606 | csum_length = SUM_LENGTH; |
607 | if (verbose > 2) | |
608 | fprintf(FERROR,"recv_files phase=%d\n",phase); | |
c6e7fcb4 AT |
609 | write_int(f_gen,-1); |
610 | write_flush(f_gen); | |
611 | continue; | |
612 | } | |
613 | break; | |
614 | } | |
c627d613 | 615 | |
dc5ddbcc AT |
616 | file = &flist->files[i]; |
617 | fname = file->name; | |
c627d613 AT |
618 | |
619 | if (local_name) | |
620 | fname = local_name; | |
621 | ||
622 | if (dry_run) { | |
623 | if (!am_server && verbose) | |
624 | printf("%s\n",fname); | |
625 | continue; | |
626 | } | |
627 | ||
628 | if (verbose > 2) | |
dc5ddbcc | 629 | fprintf(FERROR,"recv_files(%s)\n",fname); |
c627d613 AT |
630 | |
631 | /* open the file */ | |
ac1eb754 | 632 | fd1 = open(fname,O_RDONLY); |
c627d613 | 633 | |
ac1eb754 | 634 | if (fd1 != -1 && fstat(fd1,&st) != 0) { |
dc5ddbcc | 635 | fprintf(FERROR,"fstat %s : %s\n",fname,strerror(errno)); |
7b8356d0 | 636 | receive_data(f_in,NULL,-1,NULL); |
c627d613 | 637 | close(fd1); |
7b8356d0 | 638 | continue; |
c627d613 AT |
639 | } |
640 | ||
ac1eb754 | 641 | if (fd1 != -1 && !S_ISREG(st.st_mode)) { |
7b8356d0 AT |
642 | fprintf(FERROR,"%s : not a regular file (recv_files)\n",fname); |
643 | receive_data(f_in,NULL,-1,NULL); | |
c627d613 | 644 | close(fd1); |
7b8356d0 | 645 | continue; |
c627d613 AT |
646 | } |
647 | ||
ac1eb754 | 648 | if (fd1 != -1 && st.st_size > 0) { |
c627d613 | 649 | buf = map_file(fd1,st.st_size); |
9e31c482 AT |
650 | if (verbose > 2) |
651 | fprintf(FERROR,"recv mapped %s of size %d\n",fname,(int)st.st_size); | |
c627d613 AT |
652 | } else { |
653 | buf = NULL; | |
654 | } | |
655 | ||
c627d613 | 656 | /* open tmp file */ |
13a1f792 AT |
657 | if (strlen(fname) > (MAXPATHLEN-8)) { |
658 | fprintf(FERROR,"filename too long\n"); | |
659 | continue; | |
660 | } | |
c627d613 AT |
661 | sprintf(fnametmp,"%s.XXXXXX",fname); |
662 | if (NULL == mktemp(fnametmp)) { | |
dc5ddbcc | 663 | fprintf(FERROR,"mktemp %s failed\n",fnametmp); |
7b8356d0 AT |
664 | receive_data(f_in,buf,-1,NULL); |
665 | if (buf) unmap_file(buf); | |
666 | close(fd1); | |
667 | continue; | |
c627d613 | 668 | } |
dc5ddbcc | 669 | fd2 = open(fnametmp,O_WRONLY|O_CREAT,file->mode); |
6574b4f7 AT |
670 | if (relative_paths && errno == ENOENT && |
671 | create_directory_path(fnametmp) == 0) { | |
672 | fd2 = open(fnametmp,O_WRONLY|O_CREAT,file->mode); | |
673 | } | |
c627d613 | 674 | if (fd2 == -1) { |
dc5ddbcc | 675 | fprintf(FERROR,"open %s : %s\n",fnametmp,strerror(errno)); |
7b8356d0 AT |
676 | receive_data(f_in,buf,-1,NULL); |
677 | if (buf) unmap_file(buf); | |
678 | close(fd1); | |
679 | continue; | |
c627d613 AT |
680 | } |
681 | ||
682 | cleanup_fname = fnametmp; | |
683 | ||
684 | if (!am_server && verbose) | |
685 | printf("%s\n",fname); | |
686 | ||
687 | /* recv file data */ | |
9e31c482 | 688 | recv_ok = receive_data(f_in,buf,fd2,fname); |
c627d613 | 689 | |
981791bd | 690 | if (fd1 != -1) { |
1cdc8b50 | 691 | if (buf) unmap_file(buf); |
981791bd AT |
692 | close(fd1); |
693 | } | |
c627d613 AT |
694 | close(fd2); |
695 | ||
696 | if (verbose > 2) | |
dc5ddbcc | 697 | fprintf(FERROR,"renaming %s to %s\n",fnametmp,fname); |
c627d613 AT |
698 | |
699 | if (make_backups) { | |
700 | char fnamebak[MAXPATHLEN]; | |
13a1f792 AT |
701 | if (strlen(fname) + strlen(backup_suffix) > (MAXPATHLEN-1)) { |
702 | fprintf(FERROR,"backup filename too long\n"); | |
703 | continue; | |
704 | } | |
c627d613 | 705 | sprintf(fnamebak,"%s%s",fname,backup_suffix); |
ac1eb754 | 706 | if (rename(fname,fnamebak) != 0 && errno != ENOENT) { |
dc5ddbcc | 707 | fprintf(FERROR,"rename %s %s : %s\n",fname,fnamebak,strerror(errno)); |
7b8356d0 | 708 | continue; |
c627d613 AT |
709 | } |
710 | } | |
711 | ||
712 | /* move tmp file over real file */ | |
713 | if (rename(fnametmp,fname) != 0) { | |
dc5ddbcc | 714 | fprintf(FERROR,"rename %s -> %s : %s\n", |
c627d613 | 715 | fnametmp,fname,strerror(errno)); |
7b8356d0 | 716 | unlink(fnametmp); |
c627d613 AT |
717 | } |
718 | ||
719 | cleanup_fname = NULL; | |
720 | ||
dc5ddbcc | 721 | set_perms(fname,file,NULL,0); |
9e31c482 AT |
722 | |
723 | if (!recv_ok) { | |
724 | if (verbose > 1) | |
725 | fprintf(FERROR,"redoing %s(%d)\n",fname,i); | |
52296954 AT |
726 | if (csum_length == SUM_LENGTH) |
727 | fprintf(FERROR,"ERROR: file corruption in %s\n",fname); | |
9e31c482 AT |
728 | write_int(f_gen,i); |
729 | } | |
c627d613 AT |
730 | } |
731 | ||
7c596906 AT |
732 | if (preserve_hard_links) |
733 | do_hard_links(flist); | |
734 | ||
7b8356d0 AT |
735 | /* now we need to fix any directory permissions that were |
736 | modified during the transfer */ | |
7c596906 AT |
737 | for (i = 0; i < flist->count; i++) { |
738 | struct file_struct *file = &flist->files[i]; | |
739 | if (!file->name || !S_ISDIR(file->mode)) continue; | |
740 | recv_generator(file->name,flist,i,-1); | |
7b8356d0 | 741 | } |
7b8356d0 | 742 | |
c627d613 | 743 | if (verbose > 2) |
dc5ddbcc | 744 | fprintf(FERROR,"recv_files finished\n"); |
c627d613 AT |
745 | |
746 | return 0; | |
747 | } | |
748 | ||
749 | ||
750 | ||
751 | off_t send_files(struct file_list *flist,int f_out,int f_in) | |
752 | { | |
753 | int fd; | |
754 | struct sum_struct *s; | |
c6e7fcb4 | 755 | struct map_struct *buf; |
c627d613 AT |
756 | struct stat st; |
757 | char fname[MAXPATHLEN]; | |
758 | off_t total=0; | |
759 | int i; | |
dc5ddbcc | 760 | struct file_struct *file; |
c6e7fcb4 | 761 | int phase = 0; |
c627d613 AT |
762 | |
763 | if (verbose > 2) | |
dc5ddbcc | 764 | fprintf(FERROR,"send_files starting\n"); |
c627d613 | 765 | |
720b47f2 AT |
766 | setup_nonblocking(f_in,f_out); |
767 | ||
c627d613 AT |
768 | while (1) |
769 | { | |
770 | i = read_int(f_in); | |
c6e7fcb4 AT |
771 | if (i == -1) { |
772 | if (phase==0 && remote_version >= 13) { | |
773 | phase++; | |
9e31c482 | 774 | csum_length = SUM_LENGTH; |
c6e7fcb4 AT |
775 | write_int(f_out,-1); |
776 | write_flush(f_out); | |
9e31c482 AT |
777 | if (verbose > 2) |
778 | fprintf(FERROR,"send_files phase=%d\n",phase); | |
c6e7fcb4 AT |
779 | continue; |
780 | } | |
781 | break; | |
782 | } | |
c627d613 | 783 | |
dc5ddbcc AT |
784 | file = &flist->files[i]; |
785 | ||
c627d613 | 786 | fname[0] = 0; |
dc5ddbcc | 787 | if (file->dir) { |
13a1f792 AT |
788 | strncpy(fname,file->dir,MAXPATHLEN-1); |
789 | fname[MAXPATHLEN-1] = 0; | |
c627d613 AT |
790 | strcat(fname,"/"); |
791 | } | |
13a1f792 | 792 | strncat(fname,file->name,MAXPATHLEN-strlen(fname)); |
c627d613 AT |
793 | |
794 | if (verbose > 2) | |
dc5ddbcc | 795 | fprintf(FERROR,"send_files(%d,%s)\n",i,fname); |
c627d613 AT |
796 | |
797 | if (dry_run) { | |
798 | if (!am_server && verbose) | |
799 | printf("%s\n",fname); | |
800 | write_int(f_out,i); | |
801 | continue; | |
802 | } | |
803 | ||
804 | s = receive_sums(f_in); | |
805 | if (!s) { | |
dc5ddbcc | 806 | fprintf(FERROR,"receive_sums failed\n"); |
c627d613 AT |
807 | return -1; |
808 | } | |
809 | ||
810 | fd = open(fname,O_RDONLY); | |
811 | if (fd == -1) { | |
dc5ddbcc | 812 | fprintf(FERROR,"send_files failed to open %s: %s\n", |
c627d613 AT |
813 | fname,strerror(errno)); |
814 | continue; | |
815 | } | |
816 | ||
817 | /* map the local file */ | |
818 | if (fstat(fd,&st) != 0) { | |
dc5ddbcc | 819 | fprintf(FERROR,"fstat failed : %s\n",strerror(errno)); |
c627d613 AT |
820 | return -1; |
821 | } | |
822 | ||
823 | if (st.st_size > 0) { | |
824 | buf = map_file(fd,st.st_size); | |
c627d613 AT |
825 | } else { |
826 | buf = NULL; | |
827 | } | |
828 | ||
829 | if (verbose > 2) | |
dc5ddbcc | 830 | fprintf(FERROR,"send_files mapped %s of size %d\n", |
c627d613 AT |
831 | fname,(int)st.st_size); |
832 | ||
833 | write_int(f_out,i); | |
834 | ||
835 | write_int(f_out,s->count); | |
836 | write_int(f_out,s->n); | |
837 | write_int(f_out,s->remainder); | |
838 | ||
839 | if (verbose > 2) | |
dc5ddbcc | 840 | fprintf(FERROR,"calling match_sums %s\n",fname); |
c627d613 AT |
841 | |
842 | if (!am_server && verbose) | |
843 | printf("%s\n",fname); | |
844 | ||
720b47f2 | 845 | match_sums(f_out,s,buf,st.st_size); |
c627d613 AT |
846 | write_flush(f_out); |
847 | ||
1cdc8b50 | 848 | if (buf) unmap_file(buf); |
c627d613 AT |
849 | close(fd); |
850 | ||
851 | free_sums(s); | |
852 | ||
853 | if (verbose > 2) | |
dc5ddbcc | 854 | fprintf(FERROR,"sender finished %s\n",fname); |
c627d613 AT |
855 | |
856 | total += st.st_size; | |
857 | } | |
858 | ||
dc5ddbcc AT |
859 | if (verbose > 2) |
860 | fprintf(FERROR,"send files finished\n"); | |
861 | ||
c627d613 AT |
862 | match_report(); |
863 | ||
864 | write_int(f_out,-1); | |
865 | write_flush(f_out); | |
866 | ||
867 | return total; | |
868 | } | |
869 | ||
870 | ||
871 | ||
c6e7fcb4 | 872 | void generate_files(int f,struct file_list *flist,char *local_name,int f_recv) |
c627d613 AT |
873 | { |
874 | int i; | |
9e31c482 | 875 | int phase=0; |
c627d613 AT |
876 | |
877 | if (verbose > 2) | |
dc5ddbcc | 878 | fprintf(FERROR,"generator starting pid=%d count=%d\n", |
c627d613 AT |
879 | (int)getpid(),flist->count); |
880 | ||
881 | for (i = 0; i < flist->count; i++) { | |
dc5ddbcc | 882 | struct file_struct *file = &flist->files[i]; |
7b8356d0 | 883 | mode_t saved_mode = file->mode; |
dc5ddbcc | 884 | if (!file->name) continue; |
7b8356d0 AT |
885 | |
886 | /* we need to ensure that any directories we create have writeable | |
887 | permissions initially so that we can create the files within | |
888 | them. This is then fixed after the files are transferred */ | |
889 | if (!am_root && S_ISDIR(file->mode)) { | |
890 | file->mode |= S_IWUSR; /* user write */ | |
c627d613 | 891 | } |
7b8356d0 | 892 | |
dc5ddbcc | 893 | recv_generator(local_name?local_name:file->name, |
c627d613 | 894 | flist,i,f); |
7b8356d0 AT |
895 | |
896 | file->mode = saved_mode; | |
c627d613 | 897 | } |
c6e7fcb4 | 898 | |
9e31c482 AT |
899 | phase++; |
900 | csum_length = SUM_LENGTH; | |
901 | ignore_times=1; | |
902 | ||
903 | if (verbose > 2) | |
904 | fprintf(FERROR,"generate_files phase=%d\n",phase); | |
905 | ||
c627d613 AT |
906 | write_int(f,-1); |
907 | write_flush(f); | |
c6e7fcb4 AT |
908 | |
909 | if (remote_version >= 13) { | |
7b8356d0 AT |
910 | /* in newer versions of the protocol the files can cycle through |
911 | the system more than once to catch initial checksum errors */ | |
c6e7fcb4 AT |
912 | for (i=read_int(f_recv); i != -1; i=read_int(f_recv)) { |
913 | struct file_struct *file = &flist->files[i]; | |
914 | recv_generator(local_name?local_name:file->name, | |
915 | flist,i,f); | |
916 | } | |
917 | ||
9e31c482 AT |
918 | phase++; |
919 | if (verbose > 2) | |
920 | fprintf(FERROR,"generate_files phase=%d\n",phase); | |
921 | ||
c6e7fcb4 AT |
922 | write_int(f,-1); |
923 | write_flush(f); | |
924 | } | |
925 | ||
926 | ||
c627d613 | 927 | if (verbose > 2) |
dc5ddbcc | 928 | fprintf(FERROR,"generator wrote %d\n",write_total()); |
c627d613 | 929 | } |
dc5ddbcc AT |
930 | |
931 |