1 /*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <stdio.h>
18 #include <stdlib.h>
19 #include <string.h>
20 #include <errno.h>
21 #include <sys/stat.h>
22 #include <sys/time.h>
23 #include <time.h>
24 #include <dirent.h>
25 #include <limits.h>
26 #include <sys/types.h>
27 #include <zipfile/zipfile.h>
28
29 #include "sysdeps.h"
30 #include "adb.h"
31 #include "adb_client.h"
32 #include "file_sync_service.h"
33
34
35 static unsigned total_bytes;
36 static long long start_time;
37
NOW()38 static long long NOW()
39 {
40 struct timeval tv;
41 gettimeofday(&tv, 0);
42 return ((long long) tv.tv_usec) +
43 1000000LL * ((long long) tv.tv_sec);
44 }
45
BEGIN()46 static void BEGIN()
47 {
48 total_bytes = 0;
49 start_time = NOW();
50 }
51
END()52 static void END()
53 {
54 long long t = NOW() - start_time;
55 if(total_bytes == 0) return;
56
57 if (t == 0) /* prevent division by 0 :-) */
58 t = 1000000;
59
60 fprintf(stderr,"%lld KB/s (%d bytes in %lld.%03llds)\n",
61 ((((long long) total_bytes) * 1000000LL) / t) / 1024LL,
62 total_bytes, (t / 1000000LL), (t % 1000000LL) / 1000LL);
63 }
64
sync_quit(int fd)65 void sync_quit(int fd)
66 {
67 syncmsg msg;
68
69 msg.req.id = ID_QUIT;
70 msg.req.namelen = 0;
71
72 writex(fd, &msg.req, sizeof(msg.req));
73 }
74
75 typedef void (*sync_ls_cb)(unsigned mode, unsigned size, unsigned time, const char *name, void *cookie);
76
sync_ls(int fd,const char * path,sync_ls_cb func,void * cookie)77 int sync_ls(int fd, const char *path, sync_ls_cb func, void *cookie)
78 {
79 syncmsg msg;
80 char buf[257];
81 int len;
82
83 len = strlen(path);
84 if(len > 1024) goto fail;
85
86 msg.req.id = ID_LIST;
87 msg.req.namelen = htoll(len);
88
89 if(writex(fd, &msg.req, sizeof(msg.req)) ||
90 writex(fd, path, len)) {
91 goto fail;
92 }
93
94 for(;;) {
95 if(readx(fd, &msg.dent, sizeof(msg.dent))) break;
96 if(msg.dent.id == ID_DONE) return 0;
97 if(msg.dent.id != ID_DENT) break;
98
99 len = ltohl(msg.dent.namelen);
100 if(len > 256) break;
101
102 if(readx(fd, buf, len)) break;
103 buf[len] = 0;
104
105 func(ltohl(msg.dent.mode),
106 ltohl(msg.dent.size),
107 ltohl(msg.dent.time),
108 buf, cookie);
109 }
110
111 fail:
112 adb_close(fd);
113 return -1;
114 }
115
116 typedef struct syncsendbuf syncsendbuf;
117
118 struct syncsendbuf {
119 unsigned id;
120 unsigned size;
121 char data[SYNC_DATA_MAX];
122 };
123
124 static syncsendbuf send_buffer;
125
sync_readtime(int fd,const char * path,unsigned * timestamp)126 int sync_readtime(int fd, const char *path, unsigned *timestamp)
127 {
128 syncmsg msg;
129 int len = strlen(path);
130
131 msg.req.id = ID_STAT;
132 msg.req.namelen = htoll(len);
133
134 if(writex(fd, &msg.req, sizeof(msg.req)) ||
135 writex(fd, path, len)) {
136 return -1;
137 }
138
139 if(readx(fd, &msg.stat, sizeof(msg.stat))) {
140 return -1;
141 }
142
143 if(msg.stat.id != ID_STAT) {
144 return -1;
145 }
146
147 *timestamp = ltohl(msg.stat.time);
148 return 0;
149 }
150
sync_start_readtime(int fd,const char * path)151 static int sync_start_readtime(int fd, const char *path)
152 {
153 syncmsg msg;
154 int len = strlen(path);
155
156 msg.req.id = ID_STAT;
157 msg.req.namelen = htoll(len);
158
159 if(writex(fd, &msg.req, sizeof(msg.req)) ||
160 writex(fd, path, len)) {
161 return -1;
162 }
163
164 return 0;
165 }
166
sync_finish_readtime(int fd,unsigned int * timestamp,unsigned int * mode,unsigned int * size)167 static int sync_finish_readtime(int fd, unsigned int *timestamp,
168 unsigned int *mode, unsigned int *size)
169 {
170 syncmsg msg;
171
172 if(readx(fd, &msg.stat, sizeof(msg.stat)))
173 return -1;
174
175 if(msg.stat.id != ID_STAT)
176 return -1;
177
178 *timestamp = ltohl(msg.stat.time);
179 *mode = ltohl(msg.stat.mode);
180 *size = ltohl(msg.stat.size);
181
182 return 0;
183 }
184
sync_readmode(int fd,const char * path,unsigned * mode)185 int sync_readmode(int fd, const char *path, unsigned *mode)
186 {
187 syncmsg msg;
188 int len = strlen(path);
189
190 msg.req.id = ID_STAT;
191 msg.req.namelen = htoll(len);
192
193 if(writex(fd, &msg.req, sizeof(msg.req)) ||
194 writex(fd, path, len)) {
195 return -1;
196 }
197
198 if(readx(fd, &msg.stat, sizeof(msg.stat))) {
199 return -1;
200 }
201
202 if(msg.stat.id != ID_STAT) {
203 return -1;
204 }
205
206 *mode = ltohl(msg.stat.mode);
207 return 0;
208 }
209
write_data_file(int fd,const char * path,syncsendbuf * sbuf)210 static int write_data_file(int fd, const char *path, syncsendbuf *sbuf)
211 {
212 int lfd, err = 0;
213
214 lfd = adb_open(path, O_RDONLY);
215 if(lfd < 0) {
216 fprintf(stderr,"cannot open '%s': %s\n", path, strerror(errno));
217 return -1;
218 }
219
220 sbuf->id = ID_DATA;
221 for(;;) {
222 int ret;
223
224 ret = adb_read(lfd, sbuf->data, SYNC_DATA_MAX);
225 if(!ret)
226 break;
227
228 if(ret < 0) {
229 if(errno == EINTR)
230 continue;
231 fprintf(stderr,"cannot read '%s': %s\n", path, strerror(errno));
232 break;
233 }
234
235 sbuf->size = htoll(ret);
236 if(writex(fd, sbuf, sizeof(unsigned) * 2 + ret)){
237 err = -1;
238 break;
239 }
240 total_bytes += ret;
241 }
242
243 adb_close(lfd);
244 return err;
245 }
246
write_data_buffer(int fd,char * file_buffer,int size,syncsendbuf * sbuf)247 static int write_data_buffer(int fd, char* file_buffer, int size, syncsendbuf *sbuf)
248 {
249 int err = 0;
250 int total = 0;
251
252 sbuf->id = ID_DATA;
253 while (total < size) {
254 int count = size - total;
255 if (count > SYNC_DATA_MAX) {
256 count = SYNC_DATA_MAX;
257 }
258
259 memcpy(sbuf->data, &file_buffer[total], count);
260 sbuf->size = htoll(count);
261 if(writex(fd, sbuf, sizeof(unsigned) * 2 + count)){
262 err = -1;
263 break;
264 }
265 total += count;
266 total_bytes += count;
267 }
268
269 return err;
270 }
271
272 #ifdef HAVE_SYMLINKS
write_data_link(int fd,const char * path,syncsendbuf * sbuf)273 static int write_data_link(int fd, const char *path, syncsendbuf *sbuf)
274 {
275 int len, ret;
276
277 len = readlink(path, sbuf->data, SYNC_DATA_MAX-1);
278 if(len < 0) {
279 fprintf(stderr, "error reading link '%s': %s\n", path, strerror(errno));
280 return -1;
281 }
282 sbuf->data[len] = '\0';
283
284 sbuf->size = htoll(len + 1);
285 sbuf->id = ID_DATA;
286
287 ret = writex(fd, sbuf, sizeof(unsigned) * 2 + len + 1);
288 if(ret)
289 return -1;
290
291 total_bytes += len + 1;
292
293 return 0;
294 }
295 #endif
296
sync_send(int fd,const char * lpath,const char * rpath,unsigned mtime,mode_t mode,int verifyApk)297 static int sync_send(int fd, const char *lpath, const char *rpath,
298 unsigned mtime, mode_t mode, int verifyApk)
299 {
300 syncmsg msg;
301 int len, r;
302 syncsendbuf *sbuf = &send_buffer;
303 char* file_buffer = NULL;
304 int size = 0;
305 char tmp[64];
306
307 len = strlen(rpath);
308 if(len > 1024) goto fail;
309
310 snprintf(tmp, sizeof(tmp), ",%d", mode);
311 r = strlen(tmp);
312
313 if (verifyApk) {
314 int lfd;
315 zipfile_t zip;
316 zipentry_t entry;
317 int amt;
318
319 // if we are transferring an APK file, then sanity check to make sure
320 // we have a real zip file that contains an AndroidManifest.xml
321 // this requires that we read the entire file into memory.
322 lfd = adb_open(lpath, O_RDONLY);
323 if(lfd < 0) {
324 fprintf(stderr,"cannot open '%s': %s\n", lpath, strerror(errno));
325 return -1;
326 }
327
328 size = adb_lseek(lfd, 0, SEEK_END);
329 if (size == -1 || -1 == adb_lseek(lfd, 0, SEEK_SET)) {
330 fprintf(stderr, "error seeking in file '%s'\n", lpath);
331 adb_close(lfd);
332 return 1;
333 }
334
335 file_buffer = (char *)malloc(size);
336 if (file_buffer == NULL) {
337 fprintf(stderr, "could not allocate buffer for '%s'\n",
338 lpath);
339 adb_close(lfd);
340 return 1;
341 }
342 amt = adb_read(lfd, file_buffer, size);
343 if (amt != size) {
344 fprintf(stderr, "error reading from file: '%s'\n", lpath);
345 adb_close(lfd);
346 free(file_buffer);
347 return 1;
348 }
349
350 adb_close(lfd);
351
352 zip = init_zipfile(file_buffer, size);
353 if (zip == NULL) {
354 fprintf(stderr, "file '%s' is not a valid zip file\n",
355 lpath);
356 free(file_buffer);
357 return 1;
358 }
359
360 entry = lookup_zipentry(zip, "AndroidManifest.xml");
361 release_zipfile(zip);
362 if (entry == NULL) {
363 fprintf(stderr, "file '%s' does not contain AndroidManifest.xml\n",
364 lpath);
365 free(file_buffer);
366 return 1;
367 }
368 }
369
370 msg.req.id = ID_SEND;
371 msg.req.namelen = htoll(len + r);
372
373 if(writex(fd, &msg.req, sizeof(msg.req)) ||
374 writex(fd, rpath, len) || writex(fd, tmp, r)) {
375 free(file_buffer);
376 goto fail;
377 }
378
379 if (file_buffer) {
380 write_data_buffer(fd, file_buffer, size, sbuf);
381 free(file_buffer);
382 } else if (S_ISREG(mode))
383 write_data_file(fd, lpath, sbuf);
384 #ifdef HAVE_SYMLINKS
385 else if (S_ISLNK(mode))
386 write_data_link(fd, lpath, sbuf);
387 #endif
388 else
389 goto fail;
390
391 msg.data.id = ID_DONE;
392 msg.data.size = htoll(mtime);
393 if(writex(fd, &msg.data, sizeof(msg.data)))
394 goto fail;
395
396 if(readx(fd, &msg.status, sizeof(msg.status)))
397 return -1;
398
399 if(msg.status.id != ID_OKAY) {
400 if(msg.status.id == ID_FAIL) {
401 len = ltohl(msg.status.msglen);
402 if(len > 256) len = 256;
403 if(readx(fd, sbuf->data, len)) {
404 return -1;
405 }
406 sbuf->data[len] = 0;
407 } else
408 strcpy(sbuf->data, "unknown reason");
409
410 fprintf(stderr,"failed to copy '%s' to '%s': %s\n", lpath, rpath, sbuf->data);
411 return -1;
412 }
413
414 return 0;
415
416 fail:
417 fprintf(stderr,"protocol failure\n");
418 adb_close(fd);
419 return -1;
420 }
421
mkdirs(char * name)422 static int mkdirs(char *name)
423 {
424 int ret;
425 char *x = name + 1;
426
427 for(;;) {
428 x = adb_dirstart(x);
429 if(x == 0) return 0;
430 *x = 0;
431 ret = adb_mkdir(name, 0775);
432 *x = OS_PATH_SEPARATOR;
433 if((ret < 0) && (errno != EEXIST)) {
434 return ret;
435 }
436 x++;
437 }
438 return 0;
439 }
440
sync_recv(int fd,const char * rpath,const char * lpath)441 int sync_recv(int fd, const char *rpath, const char *lpath)
442 {
443 syncmsg msg;
444 int len;
445 int lfd = -1;
446 char *buffer = send_buffer.data;
447 unsigned id;
448
449 len = strlen(rpath);
450 if(len > 1024) return -1;
451
452 msg.req.id = ID_RECV;
453 msg.req.namelen = htoll(len);
454 if(writex(fd, &msg.req, sizeof(msg.req)) ||
455 writex(fd, rpath, len)) {
456 return -1;
457 }
458
459 if(readx(fd, &msg.data, sizeof(msg.data))) {
460 return -1;
461 }
462 id = msg.data.id;
463
464 if((id == ID_DATA) || (id == ID_DONE)) {
465 adb_unlink(lpath);
466 mkdirs((char *)lpath);
467 lfd = adb_creat(lpath, 0644);
468 if(lfd < 0) {
469 fprintf(stderr,"cannot create '%s': %s\n", lpath, strerror(errno));
470 return -1;
471 }
472 goto handle_data;
473 } else {
474 goto remote_error;
475 }
476
477 for(;;) {
478 if(readx(fd, &msg.data, sizeof(msg.data))) {
479 return -1;
480 }
481 id = msg.data.id;
482
483 handle_data:
484 len = ltohl(msg.data.size);
485 if(id == ID_DONE) break;
486 if(id != ID_DATA) goto remote_error;
487 if(len > SYNC_DATA_MAX) {
488 fprintf(stderr,"data overrun\n");
489 adb_close(lfd);
490 return -1;
491 }
492
493 if(readx(fd, buffer, len)) {
494 adb_close(lfd);
495 return -1;
496 }
497
498 if(writex(lfd, buffer, len)) {
499 fprintf(stderr,"cannot write '%s': %s\n", rpath, strerror(errno));
500 adb_close(lfd);
501 return -1;
502 }
503
504 total_bytes += len;
505 }
506
507 adb_close(lfd);
508 return 0;
509
510 remote_error:
511 adb_close(lfd);
512 adb_unlink(lpath);
513
514 if(id == ID_FAIL) {
515 len = ltohl(msg.data.size);
516 if(len > 256) len = 256;
517 if(readx(fd, buffer, len)) {
518 return -1;
519 }
520 buffer[len] = 0;
521 } else {
522 memcpy(buffer, &id, 4);
523 buffer[4] = 0;
524 // strcpy(buffer,"unknown reason");
525 }
526 fprintf(stderr,"failed to copy '%s' to '%s': %s\n", rpath, lpath, buffer);
527 return 0;
528 }
529
530
531
532 /* --- */
533
534
do_sync_ls_cb(unsigned mode,unsigned size,unsigned time,const char * name,void * cookie)535 static void do_sync_ls_cb(unsigned mode, unsigned size, unsigned time,
536 const char *name, void *cookie)
537 {
538 printf("%08x %08x %08x %s\n", mode, size, time, name);
539 }
540
do_sync_ls(const char * path)541 int do_sync_ls(const char *path)
542 {
543 int fd = adb_connect("sync:");
544 if(fd < 0) {
545 fprintf(stderr,"error: %s\n", adb_error());
546 return 1;
547 }
548
549 if(sync_ls(fd, path, do_sync_ls_cb, 0)) {
550 return 1;
551 } else {
552 sync_quit(fd);
553 return 0;
554 }
555 }
556
557 typedef struct copyinfo copyinfo;
558
559 struct copyinfo
560 {
561 copyinfo *next;
562 const char *src;
563 const char *dst;
564 unsigned int time;
565 unsigned int mode;
566 unsigned int size;
567 int flag;
568 //char data[0];
569 };
570
mkcopyinfo(const char * spath,const char * dpath,const char * name,int isdir)571 copyinfo *mkcopyinfo(const char *spath, const char *dpath,
572 const char *name, int isdir)
573 {
574 int slen = strlen(spath);
575 int dlen = strlen(dpath);
576 int nlen = strlen(name);
577 int ssize = slen + nlen + 2;
578 int dsize = dlen + nlen + 2;
579
580 copyinfo *ci = malloc(sizeof(copyinfo) + ssize + dsize);
581 if(ci == 0) {
582 fprintf(stderr,"out of memory\n");
583 abort();
584 }
585
586 ci->next = 0;
587 ci->time = 0;
588 ci->mode = 0;
589 ci->size = 0;
590 ci->flag = 0;
591 ci->src = (const char*)(ci + 1);
592 ci->dst = ci->src + ssize;
593 snprintf((char*) ci->src, ssize, isdir ? "%s%s/" : "%s%s", spath, name);
594 snprintf((char*) ci->dst, dsize, isdir ? "%s%s/" : "%s%s", dpath, name);
595
596 // fprintf(stderr,"mkcopyinfo('%s','%s')\n", ci->src, ci->dst);
597 return ci;
598 }
599
600
local_build_list(copyinfo ** filelist,const char * lpath,const char * rpath)601 static int local_build_list(copyinfo **filelist,
602 const char *lpath, const char *rpath)
603 {
604 DIR *d;
605 struct dirent *de;
606 struct stat st;
607 copyinfo *dirlist = 0;
608 copyinfo *ci, *next;
609
610 // fprintf(stderr,"local_build_list('%s','%s')\n", lpath, rpath);
611
612 d = opendir(lpath);
613 if(d == 0) {
614 fprintf(stderr,"cannot open '%s': %s\n", lpath, strerror(errno));
615 return -1;
616 }
617
618 while((de = readdir(d))) {
619 char stat_path[PATH_MAX];
620 char *name = de->d_name;
621
622 if(name[0] == '.') {
623 if(name[1] == 0) continue;
624 if((name[1] == '.') && (name[2] == 0)) continue;
625 }
626
627 /*
628 * We could use d_type if HAVE_DIRENT_D_TYPE is defined, but reiserfs
629 * always returns DT_UNKNOWN, so we just use stat() for all cases.
630 */
631 if (strlen(lpath) + strlen(de->d_name) + 1 > sizeof(stat_path))
632 continue;
633 strcpy(stat_path, lpath);
634 strcat(stat_path, de->d_name);
635 stat(stat_path, &st);
636
637 if (S_ISDIR(st.st_mode)) {
638 ci = mkcopyinfo(lpath, rpath, name, 1);
639 ci->next = dirlist;
640 dirlist = ci;
641 } else {
642 ci = mkcopyinfo(lpath, rpath, name, 0);
643 if(lstat(ci->src, &st)) {
644 closedir(d);
645 fprintf(stderr,"cannot stat '%s': %s\n", ci->src, strerror(errno));
646 return -1;
647 }
648 if(!S_ISREG(st.st_mode) && !S_ISLNK(st.st_mode)) {
649 fprintf(stderr, "skipping special file '%s'\n", ci->src);
650 free(ci);
651 } else {
652 ci->time = st.st_mtime;
653 ci->mode = st.st_mode;
654 ci->size = st.st_size;
655 ci->next = *filelist;
656 *filelist = ci;
657 }
658 }
659 }
660
661 closedir(d);
662
663 for(ci = dirlist; ci != 0; ci = next) {
664 next = ci->next;
665 local_build_list(filelist, ci->src, ci->dst);
666 free(ci);
667 }
668
669 return 0;
670 }
671
672
copy_local_dir_remote(int fd,const char * lpath,const char * rpath,int checktimestamps,int listonly)673 static int copy_local_dir_remote(int fd, const char *lpath, const char *rpath, int checktimestamps, int listonly)
674 {
675 copyinfo *filelist = 0;
676 copyinfo *ci, *next;
677 int pushed = 0;
678 int skipped = 0;
679
680 if((lpath[0] == 0) || (rpath[0] == 0)) return -1;
681 if(lpath[strlen(lpath) - 1] != '/') {
682 int tmplen = strlen(lpath)+2;
683 char *tmp = malloc(tmplen);
684 if(tmp == 0) return -1;
685 snprintf(tmp, tmplen, "%s/",lpath);
686 lpath = tmp;
687 }
688 if(rpath[strlen(rpath) - 1] != '/') {
689 int tmplen = strlen(rpath)+2;
690 char *tmp = malloc(tmplen);
691 if(tmp == 0) return -1;
692 snprintf(tmp, tmplen, "%s/",rpath);
693 rpath = tmp;
694 }
695
696 if(local_build_list(&filelist, lpath, rpath)) {
697 return -1;
698 }
699
700 if(checktimestamps){
701 for(ci = filelist; ci != 0; ci = ci->next) {
702 if(sync_start_readtime(fd, ci->dst)) {
703 return 1;
704 }
705 }
706 for(ci = filelist; ci != 0; ci = ci->next) {
707 unsigned int timestamp, mode, size;
708 if(sync_finish_readtime(fd, ×tamp, &mode, &size))
709 return 1;
710 if(size == ci->size) {
711 /* for links, we cannot update the atime/mtime */
712 if((S_ISREG(ci->mode & mode) && timestamp == ci->time) ||
713 (S_ISLNK(ci->mode & mode) && timestamp >= ci->time))
714 ci->flag = 1;
715 }
716 }
717 }
718 for(ci = filelist; ci != 0; ci = next) {
719 next = ci->next;
720 if(ci->flag == 0) {
721 fprintf(stderr,"%spush: %s -> %s\n", listonly ? "would " : "", ci->src, ci->dst);
722 if(!listonly &&
723 sync_send(fd, ci->src, ci->dst, ci->time, ci->mode, 0 /* no verify APK */)){
724 return 1;
725 }
726 pushed++;
727 } else {
728 skipped++;
729 }
730 free(ci);
731 }
732
733 fprintf(stderr,"%d file%s pushed. %d file%s skipped.\n",
734 pushed, (pushed == 1) ? "" : "s",
735 skipped, (skipped == 1) ? "" : "s");
736
737 return 0;
738 }
739
740
do_sync_push(const char * lpath,const char * rpath,int verifyApk)741 int do_sync_push(const char *lpath, const char *rpath, int verifyApk)
742 {
743 struct stat st;
744 unsigned mode;
745 int fd;
746
747 fd = adb_connect("sync:");
748 if(fd < 0) {
749 fprintf(stderr,"error: %s\n", adb_error());
750 return 1;
751 }
752
753 if(stat(lpath, &st)) {
754 fprintf(stderr,"cannot stat '%s': %s\n", lpath, strerror(errno));
755 sync_quit(fd);
756 return 1;
757 }
758
759 if(S_ISDIR(st.st_mode)) {
760 BEGIN();
761 if(copy_local_dir_remote(fd, lpath, rpath, 0, 0)) {
762 return 1;
763 } else {
764 END();
765 sync_quit(fd);
766 }
767 } else {
768 if(sync_readmode(fd, rpath, &mode)) {
769 return 1;
770 }
771 if((mode != 0) && S_ISDIR(mode)) {
772 /* if we're copying a local file to a remote directory,
773 ** we *really* want to copy to remotedir + "/" + localfilename
774 */
775 const char *name = adb_dirstop(lpath);
776 if(name == 0) {
777 name = lpath;
778 } else {
779 name++;
780 }
781 int tmplen = strlen(name) + strlen(rpath) + 2;
782 char *tmp = malloc(strlen(name) + strlen(rpath) + 2);
783 if(tmp == 0) return 1;
784 snprintf(tmp, tmplen, "%s/%s", rpath, name);
785 rpath = tmp;
786 }
787 BEGIN();
788 if(sync_send(fd, lpath, rpath, st.st_mtime, st.st_mode, verifyApk)) {
789 return 1;
790 } else {
791 END();
792 sync_quit(fd);
793 return 0;
794 }
795 }
796
797 return 0;
798 }
799
800
801 typedef struct {
802 copyinfo **filelist;
803 copyinfo **dirlist;
804 const char *rpath;
805 const char *lpath;
806 } sync_ls_build_list_cb_args;
807
808 void
sync_ls_build_list_cb(unsigned mode,unsigned size,unsigned time,const char * name,void * cookie)809 sync_ls_build_list_cb(unsigned mode, unsigned size, unsigned time,
810 const char *name, void *cookie)
811 {
812 sync_ls_build_list_cb_args *args = (sync_ls_build_list_cb_args *)cookie;
813 copyinfo *ci;
814
815 if (S_ISDIR(mode)) {
816 copyinfo **dirlist = args->dirlist;
817
818 /* Don't try recursing down "." or ".." */
819 if (name[0] == '.') {
820 if (name[1] == '\0') return;
821 if ((name[1] == '.') && (name[2] == '\0')) return;
822 }
823
824 ci = mkcopyinfo(args->rpath, args->lpath, name, 1);
825 ci->next = *dirlist;
826 *dirlist = ci;
827 } else if (S_ISREG(mode) || S_ISLNK(mode)) {
828 copyinfo **filelist = args->filelist;
829
830 ci = mkcopyinfo(args->rpath, args->lpath, name, 0);
831 ci->time = time;
832 ci->mode = mode;
833 ci->size = size;
834 ci->next = *filelist;
835 *filelist = ci;
836 } else {
837 fprintf(stderr, "skipping special file '%s'\n", name);
838 }
839 }
840
remote_build_list(int syncfd,copyinfo ** filelist,const char * rpath,const char * lpath)841 static int remote_build_list(int syncfd, copyinfo **filelist,
842 const char *rpath, const char *lpath)
843 {
844 copyinfo *dirlist = NULL;
845 sync_ls_build_list_cb_args args;
846
847 args.filelist = filelist;
848 args.dirlist = &dirlist;
849 args.rpath = rpath;
850 args.lpath = lpath;
851
852 /* Put the files/dirs in rpath on the lists. */
853 if (sync_ls(syncfd, rpath, sync_ls_build_list_cb, (void *)&args)) {
854 return 1;
855 }
856
857 /* Recurse into each directory we found. */
858 while (dirlist != NULL) {
859 copyinfo *next = dirlist->next;
860 if (remote_build_list(syncfd, filelist, dirlist->src, dirlist->dst)) {
861 return 1;
862 }
863 free(dirlist);
864 dirlist = next;
865 }
866
867 return 0;
868 }
869
copy_remote_dir_local(int fd,const char * rpath,const char * lpath,int checktimestamps)870 static int copy_remote_dir_local(int fd, const char *rpath, const char *lpath,
871 int checktimestamps)
872 {
873 copyinfo *filelist = 0;
874 copyinfo *ci, *next;
875 int pulled = 0;
876 int skipped = 0;
877
878 /* Make sure that both directory paths end in a slash. */
879 if (rpath[0] == 0 || lpath[0] == 0) return -1;
880 if (rpath[strlen(rpath) - 1] != '/') {
881 int tmplen = strlen(rpath) + 2;
882 char *tmp = malloc(tmplen);
883 if (tmp == 0) return -1;
884 snprintf(tmp, tmplen, "%s/", rpath);
885 rpath = tmp;
886 }
887 if (lpath[strlen(lpath) - 1] != '/') {
888 int tmplen = strlen(lpath) + 2;
889 char *tmp = malloc(tmplen);
890 if (tmp == 0) return -1;
891 snprintf(tmp, tmplen, "%s/", lpath);
892 lpath = tmp;
893 }
894
895 fprintf(stderr, "pull: building file list...\n");
896 /* Recursively build the list of files to copy. */
897 if (remote_build_list(fd, &filelist, rpath, lpath)) {
898 return -1;
899 }
900
901 #if 0
902 if (checktimestamps) {
903 for (ci = filelist; ci != 0; ci = ci->next) {
904 if (sync_start_readtime(fd, ci->dst)) {
905 return 1;
906 }
907 }
908 for (ci = filelist; ci != 0; ci = ci->next) {
909 unsigned int timestamp, mode, size;
910 if (sync_finish_readtime(fd, ×tamp, &mode, &size))
911 return 1;
912 if (size == ci->size) {
913 /* for links, we cannot update the atime/mtime */
914 if ((S_ISREG(ci->mode & mode) && timestamp == ci->time) ||
915 (S_ISLNK(ci->mode & mode) && timestamp >= ci->time))
916 ci->flag = 1;
917 }
918 }
919 }
920 #endif
921 for (ci = filelist; ci != 0; ci = next) {
922 next = ci->next;
923 if (ci->flag == 0) {
924 fprintf(stderr, "pull: %s -> %s\n", ci->src, ci->dst);
925 if (sync_recv(fd, ci->src, ci->dst)) {
926 return 1;
927 }
928 pulled++;
929 } else {
930 skipped++;
931 }
932 free(ci);
933 }
934
935 fprintf(stderr, "%d file%s pulled. %d file%s skipped.\n",
936 pulled, (pulled == 1) ? "" : "s",
937 skipped, (skipped == 1) ? "" : "s");
938
939 return 0;
940 }
941
do_sync_pull(const char * rpath,const char * lpath)942 int do_sync_pull(const char *rpath, const char *lpath)
943 {
944 unsigned mode;
945 struct stat st;
946
947 int fd;
948
949 fd = adb_connect("sync:");
950 if(fd < 0) {
951 fprintf(stderr,"error: %s\n", adb_error());
952 return 1;
953 }
954
955 if(sync_readmode(fd, rpath, &mode)) {
956 return 1;
957 }
958 if(mode == 0) {
959 fprintf(stderr,"remote object '%s' does not exist\n", rpath);
960 return 1;
961 }
962
963 if(S_ISREG(mode) || S_ISLNK(mode) || S_ISCHR(mode) || S_ISBLK(mode)) {
964 if(stat(lpath, &st) == 0) {
965 if(S_ISDIR(st.st_mode)) {
966 /* if we're copying a remote file to a local directory,
967 ** we *really* want to copy to localdir + "/" + remotefilename
968 */
969 const char *name = adb_dirstop(rpath);
970 if(name == 0) {
971 name = rpath;
972 } else {
973 name++;
974 }
975 int tmplen = strlen(name) + strlen(lpath) + 2;
976 char *tmp = malloc(tmplen);
977 if(tmp == 0) return 1;
978 snprintf(tmp, tmplen, "%s/%s", lpath, name);
979 lpath = tmp;
980 }
981 }
982 BEGIN();
983 if(sync_recv(fd, rpath, lpath)) {
984 return 1;
985 } else {
986 END();
987 sync_quit(fd);
988 return 0;
989 }
990 } else if(S_ISDIR(mode)) {
991 BEGIN();
992 if (copy_remote_dir_local(fd, rpath, lpath, 0)) {
993 return 1;
994 } else {
995 END();
996 sync_quit(fd);
997 return 0;
998 }
999 } else {
1000 fprintf(stderr,"remote object '%s' not a file or directory\n", rpath);
1001 return 1;
1002 }
1003 }
1004
do_sync_sync(const char * lpath,const char * rpath,int listonly)1005 int do_sync_sync(const char *lpath, const char *rpath, int listonly)
1006 {
1007 fprintf(stderr,"syncing %s...\n",rpath);
1008
1009 int fd = adb_connect("sync:");
1010 if(fd < 0) {
1011 fprintf(stderr,"error: %s\n", adb_error());
1012 return 1;
1013 }
1014
1015 BEGIN();
1016 if(copy_local_dir_remote(fd, lpath, rpath, 1, listonly)){
1017 return 1;
1018 } else {
1019 END();
1020 sync_quit(fd);
1021 return 0;
1022 }
1023 }
1024