2 Copyright (C) Andrew Tridgell 1996
3 Copyright (C) Paul Mackerras 1996
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.
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.
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.
23 int always_checksum = 0;
26 int block_size=BLOCK_SIZE;
28 char *backup_suffix = BACKUP_SUFFIX;
31 static char *rsync_path = RSYNC_NAME;
36 int preserve_links = 0;
37 int preserve_hard_links = 0;
38 int preserve_perms = 0;
39 int preserve_devices = 0;
42 int preserve_times = 0;
49 int one_file_system=0;
61 extern int csum_length;
67 static void usage(FILE *f);
69 static void report(int f)
72 time_t t = time(NULL);
76 if (am_server && am_sender) {
77 write_longint(f,read_total());
78 write_longint(f,write_total());
79 write_longint(f,total_size);
90 out = read_longint(f);
91 tsize = read_longint(f);
95 printf("wrote %lld bytes read %lld bytes %.2f bytes/sec\n",
96 (long long)out,(long long)in,(in+out)/(0.5 + (t-starttime)));
97 printf("total size is %lld speedup is %.2f\n",
98 (long long)tsize,(1.0*tsize)/(in+out));
100 printf("wrote %ld bytes read %ld bytes %.2f bytes/sec\n",
101 (long)out,(long)in,(in+out)/(0.5 + (t-starttime)));
102 printf("total size is %ld speedup is %.2f\n",
103 (long)tsize,(1.0*tsize)/(in+out));
108 static void server_options(char **args,int *argc)
111 static char argstr[50];
112 static char bsize[30];
113 static char iotime[30];
116 args[ac++] = "--server";
119 args[ac++] = "--sender";
123 for (i=0;i<verbose;i++)
137 if (preserve_hard_links)
143 if (preserve_devices)
167 if (x != 1) args[ac++] = argstr;
169 if (block_size != BLOCK_SIZE) {
170 sprintf(bsize,"-B%d",block_size);
175 sprintf(iotime,"--timeout=%d",io_timeout);
179 if (strcmp(backup_suffix, BACKUP_SUFFIX)) {
180 args[ac++] = "--suffix";
181 args[ac++] = backup_suffix;
185 args[ac++] = "--delete";
188 args[ac++] = "--force";
191 args[ac++] = "--numeric-ids";
194 args[ac++] = "--temp-dir";
203 static int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out)
211 cmd = getenv(RSYNC_RSH_ENV);
218 for (tok=strtok(cmd," ");tok;tok=strtok(NULL," ")) {
223 /* remsh (on HPUX) takes the arguments the other way around */
224 args[argc++] = machine;
234 args[argc++] = machine;
237 args[argc++] = rsync_path;
239 server_options(args,&argc);
250 fprintf(FINFO,"cmd=");
252 fprintf(FINFO,"%s ",args[i]);
257 ret = local_child(argc, args, f_in, f_out);
259 ret = piped_child(args,f_in,f_out);
267 out_of_memory("do_cmd");
268 return 0; /* not reached */
274 static char *get_local_name(struct file_list *flist,char *name)
278 if (do_stat(name,&st) == 0) {
279 if (S_ISDIR(st.st_mode)) {
280 if (chdir(name) != 0) {
281 fprintf(FERROR,"chdir %s : %s (1)\n",name,strerror(errno));
286 if (flist->count > 1) {
287 fprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n");
293 if (flist->count == 1)
299 if (do_mkdir(name,0777 & ~orig_umask) != 0) {
300 fprintf(FERROR,"mkdir %s : %s (1)\n",name,strerror(errno));
303 fprintf(FINFO,"created directory %s\n",name);
306 if (chdir(name) != 0) {
307 fprintf(FERROR,"chdir %s : %s (2)\n",name,strerror(errno));
317 void do_server_sender(int argc,char *argv[])
320 struct file_list *flist;
324 fprintf(FINFO,"server_sender starting pid=%d\n",(int)getpid());
326 if (!relative_paths && chdir(dir) != 0) {
327 fprintf(FERROR,"chdir %s: %s (3)\n",dir,strerror(errno));
333 if (strcmp(dir,".")) {
335 if (strcmp(dir,"/") == 0)
341 if (argc == 0 && recurse) {
348 flist = send_file_list(STDOUT_FILENO,argc,argv);
349 send_files(flist,STDOUT_FILENO,STDIN_FILENO);
350 report(STDOUT_FILENO);
355 static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
361 if (preserve_hard_links)
362 init_hard_links(flist);
364 if (pipe(recv_pipe) < 0) {
365 fprintf(FERROR,"pipe failed in do_recv\n");
370 if ((pid=do_fork()) == 0) {
371 recv_files(f_in,flist,local_name,recv_pipe[1]);
373 fprintf(FINFO,"receiver read %ld\n",(long)read_total());
377 generate_files(f_out,flist,local_name,recv_pipe[0]);
379 waitpid(pid, &status, 0);
385 void do_server_recv(int argc,char *argv[])
388 struct file_list *flist;
389 char *local_name=NULL;
393 fprintf(FINFO,"server_recv(%d) starting pid=%d\n",argc,(int)getpid());
399 if (chdir(dir) != 0) {
400 fprintf(FERROR,"chdir %s : %s (4)\n",
401 dir,strerror(errno));
407 recv_exclude_list(STDIN_FILENO);
409 flist = recv_file_list(STDIN_FILENO);
410 if (!flist || flist->count == 0) {
411 fprintf(FERROR,"nothing to do\n");
416 if (strcmp(dir,".")) {
417 argv[0] += strlen(dir);
418 if (argv[0][0] == '/') argv[0]++;
420 local_name = get_local_name(flist,argv[0]);
423 status = do_recv(STDIN_FILENO,STDOUT_FILENO,flist,local_name);
424 exit_cleanup(status);
428 void start_server(int argc, char *argv[])
430 setup_protocol(STDOUT_FILENO,STDIN_FILENO);
433 recv_exclude_list(STDIN_FILENO);
436 do_server_sender(argc,argv);
438 do_server_recv(argc,argv);
444 static void usage(FILE *f)
446 fprintf(f,"rsync version %s Copyright Andrew Tridgell and Paul Mackerras\n\n",
448 fprintf(f,"Usage:\t%s [options] src user@host:dest\nOR",RSYNC_NAME);
449 fprintf(f,"\t%s [options] user@host:src dest\n\n",RSYNC_NAME);
450 fprintf(f,"Options:\n");
451 fprintf(f,"-v, --verbose increase verbosity\n");
452 fprintf(f,"-c, --checksum always checksum\n");
453 fprintf(f,"-a, --archive archive mode (same as -rlptDog)\n");
454 fprintf(f,"-r, --recursive recurse into directories\n");
455 fprintf(f,"-R, --relative use relative path names\n");
456 fprintf(f,"-b, --backup make backups (default ~ extension)\n");
457 fprintf(f,"-u, --update update only (don't overwrite newer files)\n");
458 fprintf(f,"-l, --links preserve soft links\n");
459 fprintf(f,"-L, --copy-links treat soft links like regular files\n");
460 fprintf(f,"-H, --hard-links preserve hard links\n");
461 fprintf(f,"-p, --perms preserve permissions\n");
462 fprintf(f,"-o, --owner preserve owner (root only)\n");
463 fprintf(f,"-g, --group preserve group\n");
464 fprintf(f,"-D, --devices preserve devices (root only)\n");
465 fprintf(f,"-t, --times preserve times\n");
466 fprintf(f,"-S, --sparse handle sparse files efficiently\n");
467 fprintf(f,"-n, --dry-run show what would have been transferred\n");
468 fprintf(f,"-W, --whole-file copy whole files, no incremental checks\n");
469 fprintf(f,"-x, --one-file-system don't cross filesystem boundaries\n");
470 fprintf(f,"-B, --block-size SIZE checksum blocking size\n");
471 fprintf(f,"-e, --rsh COMMAND specify rsh replacement\n");
472 fprintf(f," --rsync-path PATH specify path to rsync on the remote machine\n");
473 fprintf(f,"-C, --cvs-exclude auto ignore files in the same way CVS does\n");
474 fprintf(f," --delete delete files that don't exist on the sending side\n");
475 fprintf(f," --force force deletion of directories even if not empty\n");
476 fprintf(f," --numeric-ids don't map uid/gid values by user/group name\n");
477 fprintf(f," --timeout TIME set IO timeout in seconds\n");
478 fprintf(f,"-I, --ignore-times don't exclude files that match length and time\n");
479 fprintf(f,"-T --temp-dir DIR create temporary files in directory DIR\n");
480 fprintf(f,"-z, --compress compress file data\n");
481 fprintf(f," --exclude FILE exclude file FILE\n");
482 fprintf(f," --exclude-from FILE exclude files listed in FILE\n");
483 fprintf(f," --suffix SUFFIX override backup suffix\n");
484 fprintf(f," --version print version number\n");
487 fprintf(f,"the backup suffix defaults to %s\n",BACKUP_SUFFIX);
488 fprintf(f,"the block size defaults to %d\n",BLOCK_SIZE);
491 enum {OPT_VERSION,OPT_SUFFIX,OPT_SENDER,OPT_SERVER,OPT_EXCLUDE,
492 OPT_EXCLUDE_FROM,OPT_DELETE,OPT_NUMERIC_IDS,OPT_RSYNC_PATH,
493 OPT_FORCE,OPT_TIMEOUT};
495 static char *short_options = "oblLWHpguDCtcahvrRIxnSe:B:T:z";
497 static struct option long_options[] = {
498 {"version", 0, 0, OPT_VERSION},
499 {"server", 0, 0, OPT_SERVER},
500 {"sender", 0, 0, OPT_SENDER},
501 {"delete", 0, 0, OPT_DELETE},
502 {"force", 0, 0, OPT_FORCE},
503 {"numeric-ids", 0, 0, OPT_NUMERIC_IDS},
504 {"exclude", 1, 0, OPT_EXCLUDE},
505 {"exclude-from",1, 0, OPT_EXCLUDE_FROM},
506 {"rsync-path", 1, 0, OPT_RSYNC_PATH},
507 {"one-file-system",0, 0, 'x'},
508 {"ignore-times",0, 0, 'I'},
510 {"dry-run", 0, 0, 'n'},
511 {"sparse", 0, 0, 'S'},
512 {"cvs-exclude", 0, 0, 'C'},
513 {"archive", 0, 0, 'a'},
514 {"checksum", 0, 0, 'c'},
515 {"backup", 0, 0, 'b'},
516 {"update", 0, 0, 'u'},
517 {"verbose", 0, 0, 'v'},
518 {"recursive", 0, 0, 'r'},
519 {"relative", 0, 0, 'R'},
520 {"devices", 0, 0, 'D'},
521 {"perms", 0, 0, 'p'},
522 {"links", 0, 0, 'l'},
523 {"copy-links", 0, 0, 'L'},
524 {"whole-file", 0, 0, 'W'},
525 {"hard-links", 0, 0, 'H'},
526 {"owner", 0, 0, 'o'},
527 {"group", 0, 0, 'g'},
528 {"times", 0, 0, 't'},
530 {"suffix", 1, 0, OPT_SUFFIX},
531 {"block-size", 1, 0, 'B'},
532 {"timeout", 1, 0, OPT_TIMEOUT},
533 {"temp-dir", 1, 0, 'T'},
534 {"compress", 0, 0, 'z'},
537 RETSIGTYPE sigusr1_handler(int val) {
541 int main(int argc,char *argv[])
543 int pid, status = 0, status2 = 0;
546 char *shell_cmd = NULL;
547 char *shell_machine = NULL;
548 char *shell_path = NULL;
549 char *shell_user = NULL;
552 struct file_list *flist;
553 char *local_name = NULL;
555 signal(SIGUSR1, sigusr1_handler);
557 starttime = time(NULL);
558 am_root = (getuid() == 0);
560 /* we set a 0 umask so that correct file permissions can be
562 orig_umask = (int)umask(0);
564 while ((opt = getopt_long(argc, argv,
565 short_options, long_options, &option_index))
570 printf("rsync version %s protocol version %d\n",
571 VERSION,PROTOCOL_VERSION);
575 backup_suffix = optarg;
598 case OPT_NUMERIC_IDS:
606 case OPT_EXCLUDE_FROM:
607 add_exclude_file(optarg,1);
647 #if SUPPORT_HARD_LINKS
648 preserve_hard_links=1;
650 fprintf(FERROR,"ERROR: hard links not supported on this platform\n");
722 block_size = atoi(optarg);
726 io_timeout = atoi(optarg);
738 /* fprintf(FERROR,"bad option -%c\n",opt); */
748 signal(SIGCHLD,SIG_IGN);
749 signal(SIGINT,SIGNAL_CAST sig_int);
750 signal(SIGPIPE,SIGNAL_CAST sig_int);
751 signal(SIGHUP,SIGNAL_CAST sig_int);
754 verbose = MAX(verbose,1);
756 #ifndef SUPPORT_LINKS
757 if (!am_server && preserve_links) {
758 fprintf(FERROR,"ERROR: symbolic links not supported\n");
764 start_server(argc, argv);
772 p = strchr(argv[0],':');
777 shell_machine = argv[0];
784 p = strchr(argv[argc-1],':');
790 shell_machine = NULL;
791 shell_path = argv[argc-1];
794 shell_machine = argv[argc-1];
801 p = strchr(shell_machine,'@');
804 shell_user = shell_machine;
810 fprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n",
811 shell_cmd?shell_cmd:"",
812 shell_machine?shell_machine:"",
813 shell_user?shell_user:"",
814 shell_path?shell_path:"");
817 if (!am_sender && argc != 1) {
822 pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path,&f_in,&f_out);
824 setup_protocol(f_out,f_in);
832 fprintf(FINFO,"parent=%d child=%d sender=%d recurse=%d\n",
833 (int)getpid(),pid,am_sender,recurse);
839 send_exclude_list(f_out);
840 flist = send_file_list(f_out,argc,argv);
842 fprintf(FINFO,"file list sent\n");
843 send_files(flist,f_out,f_in);
845 fprintf(FINFO,"waiting on %d\n",pid);
846 waitpid(pid, &status, 0);
848 exit_cleanup(status);
851 send_exclude_list(f_out);
853 flist = recv_file_list(f_in);
854 if (!flist || flist->count == 0) {
855 fprintf(FINFO,"nothing to do\n");
859 local_name = get_local_name(flist,argv[0]);
861 status2 = do_recv(f_in,f_out,flist,local_name);
865 waitpid(pid, &status, 0);
867 return status | status2;