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;
30 static char *rsync_path = RSYNC_NAME;
33 int preserve_links = 0;
34 int preserve_hard_links = 0;
35 int preserve_perms = 0;
36 int preserve_devices = 0;
39 int preserve_times = 0;
46 int one_file_system=0;
53 extern int csum_length;
56 static int sender = 0;
59 static void usage(FILE *f);
61 static void report(int f)
64 time_t t = time(NULL);
68 if (am_server && sender) {
69 write_int(f,read_total());
70 write_int(f,write_total());
71 write_int(f,total_size);
79 tsize = (int)total_size;
86 printf("wrote %d bytes read %d bytes %g bytes/sec\n",
87 out,in,(in+out)/(0.5 + (t-starttime)));
88 printf("total size is %d speedup is %g\n",
89 tsize,(1.0*tsize)/(in+out));
93 static void server_options(char **args,int *argc)
96 static char argstr[50];
97 static char bsize[30];
100 args[ac++] = "--server";
103 args[ac++] = "--sender";
107 for (i=0;i<verbose;i++)
117 if (preserve_hard_links)
123 if (preserve_devices)
145 if (x != 1) args[ac++] = argstr;
147 if (block_size != BLOCK_SIZE) {
148 sprintf(bsize,"-B%d",block_size);
153 args[ac++] = "--delete";
160 int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out)
168 cmd = getenv(RSYNC_RSH_ENV);
175 for (tok=strtok(cmd," ");tok;tok=strtok(NULL," ")) {
180 /* remsh (on HPUX) takes the arguments the other way around */
181 args[argc++] = machine;
191 args[argc++] = machine;
195 args[argc++] = rsync_path;
197 server_options(args,&argc);
200 char *dir = strdup(path);
201 p = strrchr(dir,'/');
220 fprintf(FERROR,"cmd=");
222 fprintf(FERROR,"%s ",args[i]);
223 fprintf(FERROR,"\n");
226 return piped_child(args,f_in,f_out);
229 out_of_memory("do_cmd");
230 return 0; /* not reached */
236 static char *get_local_name(struct file_list *flist,char *name)
240 if (stat(name,&st) == 0) {
241 if (S_ISDIR(st.st_mode)) {
242 if (chdir(name) != 0) {
243 fprintf(FERROR,"chdir %s : %s\n",name,strerror(errno));
248 if (flist->count > 1) {
249 fprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n");
255 if (flist->count == 1)
261 if (mkdir(name,0777 & ~orig_umask) != 0) {
262 fprintf(FERROR,"mkdir %s : %s\n",name,strerror(errno));
265 fprintf(FINFO,"created directory %s\n",name);
268 if (chdir(name) != 0) {
269 fprintf(FERROR,"chdir %s : %s\n",name,strerror(errno));
279 void do_server_sender(int argc,char *argv[])
283 struct file_list *flist;
286 fprintf(FERROR,"server_sender starting pid=%d\n",(int)getpid());
288 if (chdir(dir) != 0) {
289 fprintf(FERROR,"chdir %s: %s\n",dir,strerror(errno));
295 if (strcmp(dir,".")) {
297 if (strcmp(dir,"/") == 0)
303 if (argc == 0 && recurse) {
310 flist = send_file_list(STDOUT_FILENO,argc,argv);
311 send_files(flist,STDOUT_FILENO,STDIN_FILENO);
312 report(STDOUT_FILENO);
317 static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
323 if (preserve_hard_links)
324 init_hard_links(flist);
326 if (pipe(recv_pipe) < 0) {
327 fprintf(FERROR,"pipe failed in do_recv\n");
332 if ((pid=fork()) == 0) {
333 recv_files(f_in,flist,local_name,recv_pipe[1]);
334 if (preserve_hard_links)
335 do_hard_links(flist);
337 fprintf(FERROR,"receiver read %d\n",read_total());
341 generate_files(f_out,flist,local_name,recv_pipe[0]);
343 waitpid(pid, &status, 0);
349 void do_server_recv(int argc,char *argv[])
353 struct file_list *flist;
354 char *local_name=NULL;
357 fprintf(FERROR,"server_recv(%d) starting pid=%d\n",argc,(int)getpid());
363 if (chdir(dir) != 0) {
364 fprintf(FERROR,"chdir %s : %s\n",dir,strerror(errno));
370 recv_exclude_list(STDIN_FILENO);
372 flist = recv_file_list(STDIN_FILENO);
373 if (!flist || flist->count == 0) {
374 fprintf(FERROR,"nothing to do\n");
379 if (strcmp(dir,".")) {
380 argv[0] += strlen(dir);
381 if (argv[0][0] == '/') argv[0]++;
383 local_name = get_local_name(flist,argv[0]);
386 status = do_recv(STDIN_FILENO,STDOUT_FILENO,flist,local_name);
387 exit_cleanup(status);
391 static void usage(FILE *f)
393 fprintf(f,"rsync version %s Copyright Andrew Tridgell and Paul Mackerras\n\n",
395 fprintf(f,"Usage:\t%s [options] src user@host:dest\nOR",RSYNC_NAME);
396 fprintf(f,"\t%s [options] user@host:src dest\n\n",RSYNC_NAME);
397 fprintf(f,"Options:\n");
398 fprintf(f,"-v, --verbose increase verbosity\n");
399 fprintf(f,"-c, --checksum always checksum\n");
400 fprintf(f,"-a, --archive archive mode (same as -rlptDog)\n");
401 fprintf(f,"-r, --recursive recurse into directories\n");
402 fprintf(f,"-b, --backup make backups (default ~ extension)\n");
403 fprintf(f,"-u, --update update only (don't overwrite newer files)\n");
404 fprintf(f,"-l, --links preserve soft links\n");
405 fprintf(f,"-H, --hard-links preserve hard links\n");
406 fprintf(f,"-p, --perms preserve permissions\n");
407 fprintf(f,"-o, --owner preserve owner (root only)\n");
408 fprintf(f,"-g, --group preserve group\n");
409 fprintf(f,"-D, --devices preserve devices (root only)\n");
410 fprintf(f,"-t, --times preserve times\n");
411 fprintf(f,"-S, --sparse handle sparse files efficiently\n");
412 fprintf(f,"-n, --dry-run show what would have been transferred\n");
413 fprintf(f,"-x, --one-file-system don't cross filesystem boundaries\n");
414 fprintf(f,"-B, --block-size SIZE checksum blocking size\n");
415 fprintf(f,"-e, --rsh COMMAND specify rsh replacement\n");
416 fprintf(f," --rsync-path PATH specify path to rsync on the remote machine\n");
417 fprintf(f,"-C, --cvs-exclude auto ignore files in the same way CVS does\n");
418 fprintf(f," --delete delete files that don't exist on the sending side\n");
419 fprintf(f,"-I, --ignore-times don't exclude files that match length and time\n");
420 fprintf(f,"-z, --compress compress file data\n");
421 fprintf(f," --exclude FILE exclude file FILE\n");
422 fprintf(f," --exclude-from FILE exclude files listed in FILE\n");
423 fprintf(f," --suffix SUFFIX override backup suffix\n");
424 fprintf(f," --version print version number\n");
427 fprintf(f,"the backup suffix defaults to %s\n",BACKUP_SUFFIX);
428 fprintf(f,"the block size defaults to %d\n",BLOCK_SIZE);
431 enum {OPT_VERSION,OPT_SUFFIX,OPT_SENDER,OPT_SERVER,OPT_EXCLUDE,
432 OPT_EXCLUDE_FROM,OPT_DELETE,OPT_RSYNC_PATH};
434 static char *short_options = "oblHpguDCtcahvrIxnSe:B:z";
436 static struct option long_options[] = {
437 {"version", 0, 0, OPT_VERSION},
438 {"server", 0, 0, OPT_SERVER},
439 {"sender", 0, 0, OPT_SENDER},
440 {"delete", 0, 0, OPT_DELETE},
441 {"exclude", 1, 0, OPT_EXCLUDE},
442 {"exclude-from",1, 0, OPT_EXCLUDE_FROM},
443 {"rsync-path", 1, 0, OPT_RSYNC_PATH},
444 {"one-file-system",0, 0, 'x'},
445 {"ignore-times",0, 0, 'I'},
447 {"dry-run", 0, 0, 'n'},
448 {"sparse", 0, 0, 'S'},
449 {"cvs-exclude", 0, 0, 'C'},
450 {"archive", 0, 0, 'a'},
451 {"checksum", 0, 0, 'c'},
452 {"backup", 0, 0, 'b'},
453 {"update", 0, 0, 'u'},
454 {"verbose", 0, 0, 'v'},
455 {"recursive", 0, 0, 'r'},
456 {"devices", 0, 0, 'D'},
457 {"perms", 0, 0, 'p'},
458 {"links", 0, 0, 'l'},
459 {"hard-links", 0, 0, 'H'},
460 {"owner", 0, 0, 'o'},
461 {"group", 0, 0, 'g'},
462 {"times", 0, 0, 't'},
464 {"suffix", 1, 0, OPT_SUFFIX},
465 {"block-size", 1, 0, 'B'},
466 {"compress", 0, 0, 'z'},
469 int main(int argc,char *argv[])
471 int pid, status, status2;
474 char *shell_cmd = NULL;
475 char *shell_machine = NULL;
476 char *shell_path = NULL;
477 char *shell_user = NULL;
480 struct file_list *flist;
481 char *local_name = NULL;
483 starttime = time(NULL);
484 am_root = (getuid() == 0);
486 /* we set a 0 umask so that correct file permissions can be
488 orig_umask = umask(0);
490 while ((opt = getopt_long(argc, argv,
491 short_options, long_options, &option_index))
496 printf("rsync version %s protocol version %d\n",
497 VERSION,PROTOCOL_VERSION);
501 backup_suffix = optarg;
524 case OPT_EXCLUDE_FROM:
525 add_exclude_file(optarg,1);
559 #if SUPPORT_HARD_LINKS
560 preserve_hard_links=1;
627 block_size = atoi(optarg);
635 /* fprintf(FERROR,"bad option -%c\n",opt); */
645 signal(SIGCHLD,SIG_IGN);
646 signal(SIGINT,SIGNAL_CAST sig_int);
647 signal(SIGPIPE,SIGNAL_CAST sig_int);
648 signal(SIGHUP,SIGNAL_CAST sig_int);
651 verbose = MAX(verbose,1);
654 setup_protocol(STDOUT_FILENO,STDIN_FILENO);
657 recv_exclude_list(STDIN_FILENO);
660 do_server_sender(argc,argv);
662 do_server_recv(argc,argv);
672 p = strchr(argv[0],':');
677 shell_machine = argv[0];
684 p = strchr(argv[argc-1],':');
690 shell_machine = NULL;
691 shell_path = argv[argc-1];
694 shell_machine = argv[argc-1];
701 p = strchr(shell_machine,'@');
704 shell_user = shell_machine;
710 fprintf(FERROR,"cmd=%s machine=%s user=%s path=%s\n",
711 shell_cmd?shell_cmd:"",
712 shell_machine?shell_machine:"",
713 shell_user?shell_user:"",
714 shell_path?shell_path:"");
717 if (!sender && argc != 1) {
722 pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path,&f_in,&f_out);
724 setup_protocol(f_out,f_in);
727 fprintf(FERROR,"parent=%d child=%d sender=%d recurse=%d\n",
728 (int)getpid(),pid,sender,recurse);
734 send_exclude_list(f_out);
735 flist = send_file_list(f_out,argc,argv);
737 fprintf(FERROR,"file list sent\n");
738 send_files(flist,f_out,f_in);
740 fprintf(FERROR,"waiting on %d\n",pid);
741 waitpid(pid, &status, 0);
743 exit_cleanup(status);
746 send_exclude_list(f_out);
748 flist = recv_file_list(f_in);
749 if (!flist || flist->count == 0) {
750 fprintf(FERROR,"nothing to do\n");
754 local_name = get_local_name(flist,argv[0]);
756 status2 = do_recv(f_in,f_out,flist,local_name);
760 waitpid(pid, &status, 0);
762 return status | status2;