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;
58 extern int csum_length;
64 static void usage(FILE *f);
66 static void report(int f)
69 time_t t = time(NULL);
73 if (am_server && sender) {
74 write_longint(f,read_total());
75 write_longint(f,write_total());
76 write_longint(f,total_size);
87 out = read_longint(f);
88 tsize = read_longint(f);
91 printf("wrote %ld bytes read %ld bytes %g bytes/sec\n",
92 (long)out,(long)in,(in+out)/(0.5 + (t-starttime)));
93 printf("total size is %ld speedup is %g\n",
94 (long)tsize,(1.0*tsize)/(in+out));
98 static void server_options(char **args,int *argc)
101 static char argstr[50];
102 static char bsize[30];
105 args[ac++] = "--server";
108 args[ac++] = "--sender";
112 for (i=0;i<verbose;i++)
126 if (preserve_hard_links)
132 if (preserve_devices)
156 if (x != 1) args[ac++] = argstr;
158 if (block_size != BLOCK_SIZE) {
159 sprintf(bsize,"-B%d",block_size);
163 if (strcmp(backup_suffix, BACKUP_SUFFIX)) {
164 args[ac++] = "--suffix";
165 args[ac++] = backup_suffix;
169 args[ac++] = "--delete";
172 args[ac++] = "--numeric-ids";
175 args[ac++] = "--temp-dir";
184 static int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out)
188 char *tok,*p,*dir=NULL;
192 cmd = getenv(RSYNC_RSH_ENV);
199 for (tok=strtok(cmd," ");tok;tok=strtok(NULL," ")) {
204 /* remsh (on HPUX) takes the arguments the other way around */
205 args[argc++] = machine;
215 args[argc++] = machine;
219 args[argc++] = rsync_path;
221 server_options(args,&argc);
225 p = strrchr(dir,'/');
226 if (p && !relative_paths) {
244 fprintf(FERROR,"cmd=");
246 fprintf(FERROR,"%s ",args[i]);
247 fprintf(FERROR,"\n");
250 ret = piped_child(args,f_in,f_out);
256 out_of_memory("do_cmd");
257 return 0; /* not reached */
263 static char *get_local_name(struct file_list *flist,char *name)
267 if (stat(name,&st) == 0) {
268 if (S_ISDIR(st.st_mode)) {
269 if (chdir(name) != 0) {
270 fprintf(FERROR,"chdir %s : %s (1)\n",name,strerror(errno));
275 if (flist->count > 1) {
276 fprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n");
282 if (flist->count == 1)
288 if (mkdir(name,0777 & ~orig_umask) != 0) {
289 fprintf(FERROR,"mkdir %s : %s (1)\n",name,strerror(errno));
292 fprintf(FINFO,"created directory %s\n",name);
295 if (chdir(name) != 0) {
296 fprintf(FERROR,"chdir %s : %s (2)\n",name,strerror(errno));
306 void do_server_sender(int argc,char *argv[])
310 struct file_list *flist;
313 fprintf(FERROR,"server_sender starting pid=%d\n",(int)getpid());
315 if (!relative_paths && chdir(dir) != 0) {
316 fprintf(FERROR,"chdir %s: %s (3)\n",dir,strerror(errno));
322 if (strcmp(dir,".")) {
324 if (strcmp(dir,"/") == 0)
330 if (argc == 0 && recurse) {
337 flist = send_file_list(STDOUT_FILENO,argc,argv);
338 send_files(flist,STDOUT_FILENO,STDIN_FILENO);
339 report(STDOUT_FILENO);
344 static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
350 if (preserve_hard_links)
351 init_hard_links(flist);
353 if (pipe(recv_pipe) < 0) {
354 fprintf(FERROR,"pipe failed in do_recv\n");
359 if ((pid=do_fork()) == 0) {
360 recv_files(f_in,flist,local_name,recv_pipe[1]);
362 fprintf(FERROR,"receiver read %ld\n",(long)read_total());
366 generate_files(f_out,flist,local_name,recv_pipe[0]);
368 waitpid(pid, &status, 0);
374 void do_server_recv(int argc,char *argv[])
378 struct file_list *flist;
379 char *local_name=NULL;
382 fprintf(FERROR,"server_recv(%d) starting pid=%d\n",argc,(int)getpid());
388 if (chdir(dir) != 0) {
389 fprintf(FERROR,"chdir %s : %s (4)\n",dir,strerror(errno));
395 recv_exclude_list(STDIN_FILENO);
397 flist = recv_file_list(STDIN_FILENO);
398 if (!flist || flist->count == 0) {
399 fprintf(FERROR,"nothing to do\n");
404 if (strcmp(dir,".")) {
405 argv[0] += strlen(dir);
406 if (argv[0][0] == '/') argv[0]++;
408 local_name = get_local_name(flist,argv[0]);
411 status = do_recv(STDIN_FILENO,STDOUT_FILENO,flist,local_name);
412 exit_cleanup(status);
416 static void usage(FILE *f)
418 fprintf(f,"rsync version %s Copyright Andrew Tridgell and Paul Mackerras\n\n",
420 fprintf(f,"Usage:\t%s [options] src user@host:dest\nOR",RSYNC_NAME);
421 fprintf(f,"\t%s [options] user@host:src dest\n\n",RSYNC_NAME);
422 fprintf(f,"Options:\n");
423 fprintf(f,"-v, --verbose increase verbosity\n");
424 fprintf(f,"-c, --checksum always checksum\n");
425 fprintf(f,"-a, --archive archive mode (same as -rlptDog)\n");
426 fprintf(f,"-r, --recursive recurse into directories\n");
427 fprintf(f,"-R, --relative use relative path names\n");
428 fprintf(f,"-b, --backup make backups (default ~ extension)\n");
429 fprintf(f,"-u, --update update only (don't overwrite newer files)\n");
430 fprintf(f,"-l, --links preserve soft links\n");
431 fprintf(f,"-L, --copy-links treat soft links like regular files\n");
432 fprintf(f,"-H, --hard-links preserve hard links\n");
433 fprintf(f,"-p, --perms preserve permissions\n");
434 fprintf(f,"-o, --owner preserve owner (root only)\n");
435 fprintf(f,"-g, --group preserve group\n");
436 fprintf(f,"-D, --devices preserve devices (root only)\n");
437 fprintf(f,"-t, --times preserve times\n");
438 fprintf(f,"-S, --sparse handle sparse files efficiently\n");
439 fprintf(f,"-n, --dry-run show what would have been transferred\n");
440 fprintf(f,"-W, --whole-file copy whole files, no incremental checks\n");
441 fprintf(f,"-x, --one-file-system don't cross filesystem boundaries\n");
442 fprintf(f,"-B, --block-size SIZE checksum blocking size\n");
443 fprintf(f,"-e, --rsh COMMAND specify rsh replacement\n");
444 fprintf(f," --rsync-path PATH specify path to rsync on the remote machine\n");
445 fprintf(f,"-C, --cvs-exclude auto ignore files in the same way CVS does\n");
446 fprintf(f," --delete delete files that don't exist on the sending side\n");
447 fprintf(f," --numeric-ids don't map uid/gid values by user/group name\n");
448 fprintf(f,"-I, --ignore-times don't exclude files that match length and time\n");
449 fprintf(f,"-T --temp-dir DIR create temporary files in directory DIR\n");
450 fprintf(f,"-z, --compress compress file data\n");
451 fprintf(f," --exclude FILE exclude file FILE\n");
452 fprintf(f," --exclude-from FILE exclude files listed in FILE\n");
453 fprintf(f," --suffix SUFFIX override backup suffix\n");
454 fprintf(f," --version print version number\n");
457 fprintf(f,"the backup suffix defaults to %s\n",BACKUP_SUFFIX);
458 fprintf(f,"the block size defaults to %d\n",BLOCK_SIZE);
461 enum {OPT_VERSION,OPT_SUFFIX,OPT_SENDER,OPT_SERVER,OPT_EXCLUDE,
462 OPT_EXCLUDE_FROM,OPT_DELETE,OPT_NUMERIC_IDS,OPT_RSYNC_PATH};
464 static char *short_options = "oblLWHpguDCtcahvrRIxnSe:B:T:z";
466 static struct option long_options[] = {
467 {"version", 0, 0, OPT_VERSION},
468 {"server", 0, 0, OPT_SERVER},
469 {"sender", 0, 0, OPT_SENDER},
470 {"delete", 0, 0, OPT_DELETE},
471 {"numeric-ids", 0, 0, OPT_NUMERIC_IDS},
472 {"exclude", 1, 0, OPT_EXCLUDE},
473 {"exclude-from",1, 0, OPT_EXCLUDE_FROM},
474 {"rsync-path", 1, 0, OPT_RSYNC_PATH},
475 {"one-file-system",0, 0, 'x'},
476 {"ignore-times",0, 0, 'I'},
478 {"dry-run", 0, 0, 'n'},
479 {"sparse", 0, 0, 'S'},
480 {"cvs-exclude", 0, 0, 'C'},
481 {"archive", 0, 0, 'a'},
482 {"checksum", 0, 0, 'c'},
483 {"backup", 0, 0, 'b'},
484 {"update", 0, 0, 'u'},
485 {"verbose", 0, 0, 'v'},
486 {"recursive", 0, 0, 'r'},
487 {"relative", 0, 0, 'R'},
488 {"devices", 0, 0, 'D'},
489 {"perms", 0, 0, 'p'},
490 {"links", 0, 0, 'l'},
491 {"copy-links", 0, 0, 'L'},
492 {"whole-file", 0, 0, 'W'},
493 {"hard-links", 0, 0, 'H'},
494 {"owner", 0, 0, 'o'},
495 {"group", 0, 0, 'g'},
496 {"times", 0, 0, 't'},
498 {"suffix", 1, 0, OPT_SUFFIX},
499 {"block-size", 1, 0, 'B'},
500 {"temp-dir", 1, 0, 'T'},
501 {"compress", 0, 0, 'z'},
504 RETSIGTYPE sigusr1_handler(int val) {
508 int main(int argc,char *argv[])
510 int pid, status = 0, status2 = 0;
513 char *shell_cmd = NULL;
514 char *shell_machine = NULL;
515 char *shell_path = NULL;
516 char *shell_user = NULL;
519 struct file_list *flist;
520 char *local_name = NULL;
522 signal(SIGUSR1, sigusr1_handler);
524 starttime = time(NULL);
525 am_root = (getuid() == 0);
527 /* we set a 0 umask so that correct file permissions can be
529 orig_umask = (int)umask(0);
531 while ((opt = getopt_long(argc, argv,
532 short_options, long_options, &option_index))
537 printf("rsync version %s protocol version %d\n",
538 VERSION,PROTOCOL_VERSION);
542 backup_suffix = optarg;
561 case OPT_NUMERIC_IDS:
569 case OPT_EXCLUDE_FROM:
570 add_exclude_file(optarg,1);
610 #if SUPPORT_HARD_LINKS
611 preserve_hard_links=1;
613 fprintf(FERROR,"ERROR: hard links not supported on this platform\n");
685 block_size = atoi(optarg);
697 /* fprintf(FERROR,"bad option -%c\n",opt); */
707 signal(SIGCHLD,SIG_IGN);
708 signal(SIGINT,SIGNAL_CAST sig_int);
709 signal(SIGPIPE,SIGNAL_CAST sig_int);
710 signal(SIGHUP,SIGNAL_CAST sig_int);
713 verbose = MAX(verbose,1);
715 #ifndef SUPPORT_LINKS
716 if (!am_server && preserve_links) {
717 fprintf(FERROR,"ERROR: symbolic links not supported\n");
723 setup_protocol(STDOUT_FILENO,STDIN_FILENO);
726 recv_exclude_list(STDIN_FILENO);
729 do_server_sender(argc,argv);
731 do_server_recv(argc,argv);
741 p = strchr(argv[0],':');
746 shell_machine = argv[0];
753 p = strchr(argv[argc-1],':');
759 shell_machine = NULL;
760 shell_path = argv[argc-1];
763 shell_machine = argv[argc-1];
770 p = strchr(shell_machine,'@');
773 shell_user = shell_machine;
779 fprintf(FERROR,"cmd=%s machine=%s user=%s path=%s\n",
780 shell_cmd?shell_cmd:"",
781 shell_machine?shell_machine:"",
782 shell_user?shell_user:"",
783 shell_path?shell_path:"");
786 if (!sender && argc != 1) {
791 pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path,&f_in,&f_out);
793 setup_protocol(f_out,f_in);
801 fprintf(FERROR,"parent=%d child=%d sender=%d recurse=%d\n",
802 (int)getpid(),pid,sender,recurse);
808 send_exclude_list(f_out);
809 flist = send_file_list(f_out,argc,argv);
811 fprintf(FERROR,"file list sent\n");
812 send_files(flist,f_out,f_in);
814 fprintf(FERROR,"waiting on %d\n",pid);
815 waitpid(pid, &status, 0);
817 exit_cleanup(status);
820 send_exclude_list(f_out);
822 flist = recv_file_list(f_in);
823 if (!flist || flist->count == 0) {
824 fprintf(FERROR,"nothing to do\n");
828 local_name = get_local_name(flist,argv[0]);
830 status2 = do_recv(f_in,f_out,flist,local_name);
834 waitpid(pid, &status, 0);
836 return status | status2;