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;
51 extern int csum_length;
54 static int sender = 0;
57 static void usage(FILE *f);
59 static void report(int f)
62 time_t t = time(NULL);
66 if (am_server && sender) {
67 write_int(f,read_total());
68 write_int(f,write_total());
69 write_int(f,total_size);
77 tsize = (int)total_size;
84 printf("wrote %d bytes read %d bytes %g bytes/sec\n",
85 out,in,(in+out)/(0.5 + (t-starttime)));
86 printf("total size is %d speedup is %g\n",
87 tsize,(1.0*tsize)/(in+out));
91 static void server_options(char **args,int *argc)
94 static char argstr[50];
95 static char bsize[30];
98 args[ac++] = "--server";
101 args[ac++] = "--sender";
105 for (i=0;i<verbose;i++)
115 if (preserve_hard_links)
121 if (preserve_devices)
143 if (x != 1) args[ac++] = argstr;
145 if (block_size != BLOCK_SIZE) {
146 sprintf(bsize,"-B%d",block_size);
151 args[ac++] = "--delete";
158 int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out)
166 cmd = getenv(RSYNC_RSH_ENV);
173 for (tok=strtok(cmd," ");tok;tok=strtok(NULL," ")) {
181 args[argc++] = machine;
184 args[argc++] = rsync_path;
186 server_options(args,&argc);
189 char *dir = strdup(path);
190 p = strrchr(dir,'/');
206 fprintf(FERROR,"cmd=");
208 fprintf(FERROR,"%s ",args[i]);
209 fprintf(FERROR,"\n");
212 return piped_child(args,f_in,f_out);
215 out_of_memory("do_cmd");
216 return 0; /* not reached */
222 static char *get_local_name(struct file_list *flist,char *name)
226 if (stat(name,&st) == 0) {
227 if (S_ISDIR(st.st_mode)) {
228 if (chdir(name) != 0) {
229 fprintf(FERROR,"chdir %s : %s\n",name,strerror(errno));
234 if (flist->count > 1) {
235 fprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n");
241 if (flist->count == 1)
247 if (mkdir(name,0777) != 0) {
248 fprintf(FERROR,"mkdir %s : %s\n",name,strerror(errno));
251 fprintf(FINFO,"created directory %s\n",name);
254 if (chdir(name) != 0) {
255 fprintf(FERROR,"chdir %s : %s\n",name,strerror(errno));
265 void do_server_sender(int argc,char *argv[])
269 struct file_list *flist;
272 fprintf(FERROR,"server_sender starting pid=%d\n",(int)getpid());
274 if (chdir(dir) != 0) {
275 fprintf(FERROR,"chdir %s: %s\n",dir,strerror(errno));
281 if (strcmp(dir,".")) {
287 if (argc == 0 && recurse) {
294 flist = send_file_list(STDOUT_FILENO,recurse,argc,argv);
295 send_files(flist,STDOUT_FILENO,STDIN_FILENO);
296 report(STDOUT_FILENO);
301 static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
307 if (preserve_hard_links)
308 init_hard_links(flist);
310 if (pipe(recv_pipe) < 0) {
311 fprintf(FERROR,"pipe failed in do_recv\n");
316 if ((pid=fork()) == 0) {
317 recv_files(f_in,flist,local_name,recv_pipe[1]);
318 if (preserve_hard_links)
319 do_hard_links(flist);
321 fprintf(FERROR,"receiver read %d\n",read_total());
325 generate_files(f_out,flist,local_name,recv_pipe[0]);
327 waitpid(pid, &status, 0);
333 void do_server_recv(int argc,char *argv[])
337 struct file_list *flist;
338 char *local_name=NULL;
341 fprintf(FERROR,"server_recv(%d) starting pid=%d\n",argc,(int)getpid());
347 if (chdir(dir) != 0) {
348 fprintf(FERROR,"chdir %s : %s\n",dir,strerror(errno));
354 recv_exclude_list(STDIN_FILENO);
356 flist = recv_file_list(STDIN_FILENO);
357 if (!flist || flist->count == 0) {
358 fprintf(FERROR,"nothing to do\n");
363 if (strcmp(dir,".")) {
364 argv[0] += strlen(dir);
365 if (argv[0][0] == '/') argv[0]++;
367 local_name = get_local_name(flist,argv[0]);
370 status = do_recv(STDIN_FILENO,STDOUT_FILENO,flist,local_name);
371 exit_cleanup(status);
375 static void usage(FILE *f)
377 fprintf(f,"rsync version %s Copyright Andrew Tridgell and Paul Mackerras\n\n",
379 fprintf(f,"Usage:\t%s [options] src user@host:dest\nOR",RSYNC_NAME);
380 fprintf(f,"\t%s [options] user@host:src dest\n\n",RSYNC_NAME);
381 fprintf(f,"Options:\n");
382 fprintf(f,"-v, --verbose increase verbosity\n");
383 fprintf(f,"-c, --checksum always checksum\n");
384 fprintf(f,"-a, --archive archive mode (same as -rlptDog)\n");
385 fprintf(f,"-r, --recursive recurse into directories\n");
386 fprintf(f,"-b, --backup make backups (default ~ extension)\n");
387 fprintf(f,"-u, --update update only (don't overwrite newer files)\n");
388 fprintf(f,"-l, --links preserve soft links\n");
389 fprintf(f,"-H, --hard-links preserve hard links\n");
390 fprintf(f,"-p, --perms preserve permissions\n");
391 fprintf(f,"-o, --owner preserve owner (root only)\n");
392 fprintf(f,"-g, --group preserve group\n");
393 fprintf(f,"-D, --devices preserve devices (root only)\n");
394 fprintf(f,"-t, --times preserve times\n");
395 fprintf(f,"-S, --sparse handle sparse files efficiently\n");
396 fprintf(f,"-n, --dry-run show what would have been transferred\n");
397 fprintf(f,"-x, --one-file-system don't cross filesystem boundaries\n");
398 fprintf(f,"-B, --block-size SIZE checksum blocking size\n");
399 fprintf(f,"-e, --rsh COMMAND specify rsh replacement\n");
400 fprintf(f," --rsync-path PATH specify path to rsync on the remote machine\n");
401 fprintf(f,"-C, --cvs-exclude auto ignore files in the same way CVS does\n");
402 fprintf(f," --delete delete files that don't exist on the sending side\n");
403 fprintf(f,"-I, --ignore-times don't exclude files that match length and time\n");
404 fprintf(f,"-z, --compress compress file data\n");
405 fprintf(f," --exclude FILE exclude file FILE\n");
406 fprintf(f," --exclude-from FILE exclude files listed in FILE\n");
407 fprintf(f," --suffix SUFFIX override backup suffix\n");
408 fprintf(f," --csum-length LENGTH set the checksum length\n");
409 fprintf(f," --version print version number\n");
412 fprintf(f,"the backup suffix defaults to %s\n",BACKUP_SUFFIX);
413 fprintf(f,"the block size defaults to %d\n",BLOCK_SIZE);
416 enum {OPT_VERSION,OPT_SUFFIX,OPT_SENDER,OPT_SERVER,OPT_EXCLUDE,
417 OPT_EXCLUDE_FROM,OPT_DELETE,OPT_RSYNC_PATH};
419 static char *short_options = "oblHpguDCtcahvrIxnSe:B:z";
421 static struct option long_options[] = {
422 {"version", 0, 0, OPT_VERSION},
423 {"server", 0, 0, OPT_SERVER},
424 {"sender", 0, 0, OPT_SENDER},
425 {"delete", 0, 0, OPT_DELETE},
426 {"exclude", 1, 0, OPT_EXCLUDE},
427 {"exclude-from",1, 0, OPT_EXCLUDE_FROM},
428 {"rsync-path", 1, 0, OPT_RSYNC_PATH},
429 {"one-file-system",0, 0, 'x'},
430 {"ignore-times",0, 0, 'I'},
432 {"dry-run", 0, 0, 'n'},
433 {"sparse", 0, 0, 'S'},
434 {"cvs-exclude", 0, 0, 'C'},
435 {"archive", 0, 0, 'a'},
436 {"checksum", 0, 0, 'c'},
437 {"backup", 0, 0, 'b'},
438 {"update", 0, 0, 'u'},
439 {"verbose", 0, 0, 'v'},
440 {"recursive", 0, 0, 'r'},
441 {"devices", 0, 0, 'D'},
442 {"perms", 0, 0, 'p'},
443 {"links", 0, 0, 'l'},
444 {"hard-links", 0, 0, 'H'},
445 {"owner", 0, 0, 'o'},
446 {"group", 0, 0, 'g'},
447 {"times", 0, 0, 't'},
449 {"suffix", 1, 0, OPT_SUFFIX},
450 {"block-size", 1, 0, 'B'},
451 {"compress", 0, 0, 'z'},
454 int main(int argc,char *argv[])
456 int pid, status, status2;
459 char *shell_cmd = NULL;
460 char *shell_machine = NULL;
461 char *shell_path = NULL;
462 char *shell_user = NULL;
465 struct file_list *flist;
466 char *local_name = NULL;
468 starttime = time(NULL);
470 while ((opt = getopt_long(argc, argv,
471 short_options, long_options, &option_index))
476 printf("rsync version %s protocol version %d\n",
477 VERSION,PROTOCOL_VERSION);
481 backup_suffix = optarg;
504 case OPT_EXCLUDE_FROM:
505 add_exclude_file(optarg,1);
539 #if SUPPORT_HARD_LINKS
540 preserve_hard_links=1;
552 fprintf(FERROR,"-o only allowed for root\n");
565 fprintf(FERROR,"-D only allowed for root\n");
617 block_size = atoi(optarg);
625 /* fprintf(FERROR,"bad option -%c\n",opt); */
635 signal(SIGCHLD,SIG_IGN);
636 signal(SIGINT,SIGNAL_CAST sig_int);
637 signal(SIGPIPE,SIGNAL_CAST sig_int);
638 signal(SIGHUP,SIGNAL_CAST sig_int);
641 verbose = MAX(verbose,1);
644 setup_protocol(STDOUT_FILENO,STDIN_FILENO);
647 recv_exclude_list(STDIN_FILENO);
650 do_server_sender(argc,argv);
652 do_server_recv(argc,argv);
662 p = strchr(argv[0],':');
667 shell_machine = argv[0];
674 p = strchr(argv[argc-1],':');
680 shell_machine = NULL;
681 shell_path = argv[argc-1];
684 shell_machine = argv[argc-1];
691 p = strchr(shell_machine,'@');
694 shell_user = shell_machine;
700 fprintf(FERROR,"cmd=%s machine=%s user=%s path=%s\n",
701 shell_cmd?shell_cmd:"",
702 shell_machine?shell_machine:"",
703 shell_user?shell_user:"",
704 shell_path?shell_path:"");
707 if (!sender && argc != 1) {
712 pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path,&f_in,&f_out);
714 setup_protocol(f_out,f_in);
717 fprintf(FERROR,"parent=%d child=%d sender=%d recurse=%d\n",
718 (int)getpid(),pid,sender,recurse);
724 send_exclude_list(f_out);
725 flist = send_file_list(f_out,recurse,argc,argv);
727 fprintf(FERROR,"file list sent\n");
728 send_files(flist,f_out,f_in);
730 fprintf(FERROR,"waiting on %d\n",pid);
731 waitpid(pid, &status, 0);
733 exit_cleanup(status);
736 send_exclude_list(f_out);
738 flist = recv_file_list(f_in);
739 if (!flist || flist->count == 0) {
740 fprintf(FERROR,"nothing to do\n");
744 local_name = get_local_name(flist,argv[0]);
746 status2 = do_recv(f_in,f_out,flist,local_name);
750 waitpid(pid, &status, 0);
752 return status | status2;