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.
28 static void report(int f)
30 time_t t = time(NULL);
35 extern int remote_version;
39 log_exit(0, __FILE__, __LINE__);
40 if (f == -1 || !am_sender) return;
43 send_stats = verbose || (remote_version >= 20);
45 if (am_sender && send_stats) {
47 /* store total_written in a temporary
48 because write_longint changes it */
49 w = stats.total_written;
50 write_longint(f,stats.total_read);
52 write_longint(f,stats.total_size);
57 /* this is the client */
59 if (!am_sender && send_stats) {
61 stats.total_written = read_longint(f);
62 /* store total_read in a temporary, read_longint changes it */
64 stats.total_size = read_longint(f);
69 if (!am_sender && !send_stats) {
70 /* missing the bytes written by the generator */
71 rprintf(FINFO, "\nCannot show stats as receiver because remote protocol version is less than 20\n");
72 rprintf(FINFO, "Use --stats -v to show stats\n");
75 rprintf(FINFO,"\nNumber of files: %d\n", stats.num_files);
76 rprintf(FINFO,"Number of files transferred: %d\n",
77 stats.num_transferred_files);
78 rprintf(FINFO,"Total file size: %.0f bytes\n",
79 (double)stats.total_size);
80 rprintf(FINFO,"Total transferred file size: %.0f bytes\n",
81 (double)stats.total_transferred_size);
82 rprintf(FINFO,"Literal data: %.0f bytes\n",
83 (double)stats.literal_data);
84 rprintf(FINFO,"Matched data: %.0f bytes\n",
85 (double)stats.matched_data);
86 rprintf(FINFO,"File list size: %d\n", stats.flist_size);
87 rprintf(FINFO,"Total bytes written: %.0f\n",
88 (double)stats.total_written);
89 rprintf(FINFO,"Total bytes read: %.0f\n\n",
90 (double)stats.total_read);
93 if (verbose || do_stats) {
94 rprintf(FINFO,"wrote %.0f bytes read %.0f bytes %.2f bytes/sec\n",
95 (double)stats.total_written,
96 (double)stats.total_read,
97 (stats.total_written+stats.total_read)/(0.5 + (t-starttime)));
98 rprintf(FINFO,"total size is %.0f speedup is %.2f\n",
99 (double)stats.total_size,
100 (1.0*stats.total_size)/(stats.total_written+stats.total_read));
108 static int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out)
113 extern int local_server;
114 extern char *rsync_path;
118 cmd = getenv(RSYNC_RSH_ENV);
125 for (tok=strtok(cmd," ");tok;tok=strtok(NULL," ")) {
130 /* remsh (on HPUX) takes the arguments the other way around */
131 args[argc++] = machine;
141 args[argc++] = machine;
144 args[argc++] = rsync_path;
146 server_options(args,&argc);
157 rprintf(FINFO,"cmd=");
159 rprintf(FINFO,"%s ",args[i]);
164 ret = local_child(argc, args, f_in, f_out);
166 ret = piped_child(args,f_in,f_out);
174 out_of_memory("do_cmd");
175 return 0; /* not reached */
181 static char *get_local_name(struct file_list *flist,char *name)
184 extern int orig_umask;
187 rprintf(FINFO,"get_local_name count=%d %s\n",
188 flist->count, NS(name));
193 if (do_stat(name,&st) == 0) {
194 if (S_ISDIR(st.st_mode)) {
195 if (!push_dir(name, 0)) {
196 rprintf(FERROR,"push_dir %s : %s (1)\n",
197 name,strerror(errno));
198 exit_cleanup(RERR_FILESELECT);
202 if (flist->count > 1) {
203 rprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n");
204 exit_cleanup(RERR_FILESELECT);
209 if (flist->count <= 1)
212 if (do_mkdir(name,0777 & ~orig_umask) != 0) {
213 rprintf(FERROR,"mkdir %s : %s (1)\n",name,strerror(errno));
214 exit_cleanup(RERR_FILEIO);
217 rprintf(FINFO,"created directory %s\n",name);
220 if (!push_dir(name, 0)) {
221 rprintf(FERROR,"push_dir %s : %s (2)\n",
222 name,strerror(errno));
223 exit_cleanup(RERR_FILESELECT);
232 static void do_server_sender(int f_in, int f_out, int argc,char *argv[])
235 struct file_list *flist;
237 extern int relative_paths;
241 rprintf(FINFO,"server_sender starting pid=%d\n",(int)getpid());
243 if (!relative_paths && !push_dir(dir, 0)) {
244 rprintf(FERROR,"push_dir %s: %s (3)\n",dir,strerror(errno));
245 exit_cleanup(RERR_FILESELECT);
250 if (strcmp(dir,".")) {
252 if (strcmp(dir,"/") == 0)
258 if (argc == 0 && recurse) {
264 flist = send_file_list(f_out,argc,argv);
265 if (!flist || flist->count == 0) {
269 send_files(flist,f_out,f_in);
276 static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
282 extern int preserve_hard_links;
283 extern int delete_after;
285 extern int delete_mode;
287 if (preserve_hard_links)
288 init_hard_links(flist);
291 /* I moved this here from recv_files() to prevent a race condition */
292 if (recurse && delete_mode && !local_name && flist->count>0) {
297 if (fd_pair(recv_pipe) < 0) {
298 rprintf(FERROR,"pipe failed in do_recv\n");
299 exit_cleanup(RERR_SOCKETIO);
302 if (fd_pair(error_pipe) < 0) {
303 rprintf(FERROR,"error pipe failed in do_recv\n");
304 exit_cleanup(RERR_SOCKETIO);
309 if ((pid=do_fork()) == 0) {
311 close(error_pipe[0]);
312 if (f_in != f_out) close(f_out);
314 /* we can't let two processes write to the socket at one time */
315 io_multiplexing_close();
317 /* set place to send errors */
318 set_error_fd(error_pipe[1]);
320 recv_files(f_in,flist,local_name,recv_pipe[1]);
328 close(error_pipe[1]);
329 io_close_input(f_in);
330 if (f_in != f_out) close(f_in);
332 io_start_buffering(f_out);
334 io_set_error_fd(error_pipe[0]);
336 generate_files(f_out,flist,local_name,recv_pipe[0]);
339 wait_process(pid, &status);
344 static void do_server_recv(int f_in, int f_out, int argc,char *argv[])
347 struct file_list *flist;
348 char *local_name=NULL;
350 extern int delete_mode;
351 extern int delete_excluded;
352 extern int am_daemon;
355 rprintf(FINFO,"server_recv(%d) starting pid=%d\n",argc,(int)getpid());
361 if (!am_daemon && !push_dir(dir, 0)) {
362 rprintf(FERROR,"push_dir %s : %s (4)\n",
363 dir,strerror(errno));
364 exit_cleanup(RERR_FILESELECT);
368 if (delete_mode && !delete_excluded)
369 recv_exclude_list(f_in);
371 flist = recv_file_list(f_in);
373 rprintf(FERROR,"server_recv: recv_file_list error\n");
374 exit_cleanup(RERR_FILESELECT);
378 if (strcmp(dir,".")) {
379 argv[0] += strlen(dir);
380 if (argv[0][0] == '/') argv[0]++;
382 local_name = get_local_name(flist,argv[0]);
385 status = do_recv(f_in,f_out,flist,local_name);
386 exit_cleanup(status);
390 void start_server(int f_in, int f_out, int argc, char *argv[])
392 extern int cvs_exclude;
393 extern int am_sender;
394 extern int remote_version;
396 if (remote_version >= 23)
397 io_start_multiplex_out(f_out);
399 setup_protocol(f_out, f_in);
402 recv_exclude_list(f_in);
405 do_server_sender(f_in, f_out, argc, argv);
407 do_server_recv(f_in, f_out, argc, argv);
412 int client_run(int f_in, int f_out, int pid, int argc, char *argv[])
414 struct file_list *flist;
415 int status = 0, status2 = 0;
416 char *local_name = NULL;
417 extern int am_sender;
418 extern int list_only;
419 extern int remote_version;
421 if (remote_version >= 23)
422 io_start_multiplex_in(f_in);
424 setup_protocol(f_out,f_in);
427 extern int cvs_exclude;
428 extern int delete_mode;
429 extern int delete_excluded;
432 if (delete_mode && !delete_excluded)
433 send_exclude_list(f_out);
434 flist = send_file_list(f_out,argc,argv);
436 rprintf(FINFO,"file list sent\n");
438 send_files(flist,f_out,f_in);
441 rprintf(FINFO,"client_run waiting on %d\n",pid);
443 wait_process(pid, &status);
446 exit_cleanup(status);
449 if (argc == 0) list_only = 1;
451 send_exclude_list(f_out);
453 flist = recv_file_list(f_in);
454 if (!flist || flist->count == 0) {
455 rprintf(FINFO,"client: nothing to do\n");
459 local_name = get_local_name(flist,argv[0]);
461 status2 = do_recv(f_in,f_out,flist,local_name);
465 rprintf(FINFO,"client_run2 waiting on %d\n",pid);
467 wait_process(pid, &status);
470 return status | status2;
473 static char *find_colon(char *s)
480 /* now check to see if there is a / in the string before the : - if there is then
481 discard the colon on the assumption that the : is part of a filename */
483 if (p2 && p2 < p) return NULL;
488 static int start_client(int argc, char *argv[])
491 char *shell_machine = NULL;
492 char *shell_path = NULL;
493 char *shell_user = NULL;
496 extern int local_server;
497 extern int am_sender;
498 extern char *shell_cmd;
499 extern int rsync_port;
501 if (strncasecmp(URL_PREFIX, argv[0], strlen(URL_PREFIX)) == 0) {
504 host = argv[0] + strlen(URL_PREFIX);
505 p = strchr(host,'/');
512 p = strchr(host,':');
514 rsync_port = atoi(p+1);
517 return start_socket_client(host, path, argc-1, argv+1);
520 p = find_colon(argv[0]);
525 return start_socket_client(argv[0], p+2, argc-1, argv+1);
530 exit_cleanup(RERR_SYNTAX);
535 shell_machine = argv[0];
542 p = find_colon(argv[argc-1]);
545 } else if (p[1] == ':') {
547 return start_socket_client(argv[argc-1], p+2, argc-1, argv);
552 exit_cleanup(RERR_SYNTAX);
556 shell_machine = NULL;
557 shell_path = argv[argc-1];
560 shell_machine = argv[argc-1];
567 p = strchr(shell_machine,'@');
570 shell_user = shell_machine;
576 rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n",
577 shell_cmd?shell_cmd:"",
578 shell_machine?shell_machine:"",
579 shell_user?shell_user:"",
580 shell_path?shell_path:"");
583 if (!am_sender && argc > 1) {
585 exit_cleanup(RERR_SYNTAX);
588 pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path,&f_in,&f_out);
590 ret = client_run(f_in, f_out, pid, argc, argv);
599 static RETSIGTYPE sigusr1_handler(int val) {
600 exit_cleanup(RERR_SIGNAL);
603 int main(int argc,char *argv[])
606 extern int orig_umask;
608 extern int am_daemon;
609 extern int am_server;
611 signal(SIGUSR1, sigusr1_handler);
613 starttime = time(NULL);
614 am_root = (getuid() == 0);
616 memset(&stats, 0, sizeof(stats));
620 exit_cleanup(RERR_SYNTAX);
623 /* we set a 0 umask so that correct file permissions can be
625 orig_umask = (int)umask(0);
627 if (!parse_arguments(argc, argv, 1)) {
628 exit_cleanup(RERR_SYNTAX);
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);
639 signal(SIGTERM,SIGNAL_CAST sig_int);
641 /* Initialize push_dir here because on some old systems getcwd
642 (implemented by forking "pwd" and reading its output) doesn't
643 work when there are other child processes. Also, on all systems
644 that implement getcwd that way "pwd" can't be found after chroot. */
648 return daemon_main();
653 exit_cleanup(RERR_SYNTAX);
657 verbose = MAX(verbose,1);
659 #ifndef SUPPORT_LINKS
660 if (!am_server && preserve_links) {
661 rprintf(FERROR,"ERROR: symbolic links not supported\n");
662 exit_cleanup(RERR_UNSUPPORTED);
667 start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv);
670 return start_client(argc, argv);