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;
286 extern int remote_version;
288 if (preserve_hard_links)
289 init_hard_links(flist);
292 /* I moved this here from recv_files() to prevent a race condition */
293 if (recurse && delete_mode && !local_name && flist->count>0) {
298 if (fd_pair(recv_pipe) < 0) {
299 rprintf(FERROR,"pipe failed in do_recv\n");
300 exit_cleanup(RERR_SOCKETIO);
303 if (fd_pair(error_pipe) < 0) {
304 rprintf(FERROR,"error pipe failed in do_recv\n");
305 exit_cleanup(RERR_SOCKETIO);
310 if ((pid=do_fork()) == 0) {
312 close(error_pipe[0]);
313 if (f_in != f_out) close(f_out);
315 /* we can't let two processes write to the socket at one time */
316 io_multiplexing_close();
318 /* set place to send errors */
319 set_error_fd(error_pipe[1]);
321 recv_files(f_in,flist,local_name,recv_pipe[1]);
324 write_int(recv_pipe[1],1);
327 /* finally we go to sleep until our parent kills us with
333 close(error_pipe[1]);
334 io_close_input(f_in);
335 if (f_in != f_out) close(f_in);
337 io_start_buffering(f_out);
339 io_set_error_fd(error_pipe[0]);
341 generate_files(f_out,flist,local_name,recv_pipe[0]);
343 read_int(recv_pipe[0]);
345 if (remote_version >= 24) {
346 /* send a final goodbye message */
347 write_int(f_out, -1);
352 wait_process(pid, &status);
357 static void do_server_recv(int f_in, int f_out, int argc,char *argv[])
360 struct file_list *flist;
361 char *local_name=NULL;
363 extern int delete_mode;
364 extern int delete_excluded;
365 extern int am_daemon;
366 extern int module_id;
367 extern int am_sender;
370 rprintf(FINFO,"server_recv(%d) starting pid=%d\n",argc,(int)getpid());
372 if (am_daemon && lp_read_only(module_id) && !am_sender) {
373 rprintf(FERROR,"ERROR: module is read only\n");
374 exit_cleanup(RERR_SYNTAX);
383 if (!am_daemon && !push_dir(dir, 0)) {
384 rprintf(FERROR,"push_dir %s : %s (4)\n",
385 dir,strerror(errno));
386 exit_cleanup(RERR_FILESELECT);
390 if (delete_mode && !delete_excluded)
391 recv_exclude_list(f_in);
393 flist = recv_file_list(f_in);
395 rprintf(FERROR,"server_recv: recv_file_list error\n");
396 exit_cleanup(RERR_FILESELECT);
400 if (strcmp(dir,".")) {
401 argv[0] += strlen(dir);
402 if (argv[0][0] == '/') argv[0]++;
404 local_name = get_local_name(flist,argv[0]);
407 status = do_recv(f_in,f_out,flist,local_name);
408 exit_cleanup(status);
412 void start_server(int f_in, int f_out, int argc, char *argv[])
414 extern int cvs_exclude;
415 extern int am_sender;
416 extern int remote_version;
418 setup_protocol(f_out, f_in);
420 set_nonblocking(f_in);
421 set_nonblocking(f_out);
423 if (remote_version >= 23)
424 io_start_multiplex_out(f_out);
427 recv_exclude_list(f_in);
430 do_server_sender(f_in, f_out, argc, argv);
432 do_server_recv(f_in, f_out, argc, argv);
437 int client_run(int f_in, int f_out, int pid, int argc, char *argv[])
439 struct file_list *flist;
440 int status = 0, status2 = 0;
441 char *local_name = NULL;
442 extern int am_sender;
443 extern int list_only;
444 extern int remote_version;
446 set_nonblocking(f_in);
447 set_nonblocking(f_out);
449 setup_protocol(f_out,f_in);
451 if (remote_version >= 23)
452 io_start_multiplex_in(f_in);
455 extern int cvs_exclude;
456 extern int delete_mode;
457 extern int delete_excluded;
460 if (delete_mode && !delete_excluded)
461 send_exclude_list(f_out);
462 flist = send_file_list(f_out,argc,argv);
464 rprintf(FINFO,"file list sent\n");
466 send_files(flist,f_out,f_in);
469 rprintf(FINFO,"client_run waiting on %d\n",pid);
471 wait_process(pid, &status);
474 if (remote_version >= 24) {
475 /* final goodbye message */
478 exit_cleanup(status);
481 if (argc == 0) list_only = 1;
483 send_exclude_list(f_out);
485 flist = recv_file_list(f_in);
486 if (!flist || flist->count == 0) {
487 rprintf(FINFO,"client: nothing to do\n");
491 local_name = get_local_name(flist,argv[0]);
493 status2 = do_recv(f_in,f_out,flist,local_name);
497 rprintf(FINFO,"client_run2 waiting on %d\n",pid);
499 wait_process(pid, &status);
502 return status | status2;
505 static char *find_colon(char *s)
512 /* now check to see if there is a / in the string before the : - if there is then
513 discard the colon on the assumption that the : is part of a filename */
515 if (p2 && p2 < p) return NULL;
520 static int start_client(int argc, char *argv[])
523 char *shell_machine = NULL;
524 char *shell_path = NULL;
525 char *shell_user = NULL;
528 extern int local_server;
529 extern int am_sender;
530 extern char *shell_cmd;
531 extern int rsync_port;
533 if (strncasecmp(URL_PREFIX, argv[0], strlen(URL_PREFIX)) == 0) {
536 host = argv[0] + strlen(URL_PREFIX);
537 p = strchr(host,'/');
544 p = strchr(host,':');
546 rsync_port = atoi(p+1);
549 return start_socket_client(host, path, argc-1, argv+1);
552 p = find_colon(argv[0]);
557 return start_socket_client(argv[0], p+2, argc-1, argv+1);
562 exit_cleanup(RERR_SYNTAX);
567 shell_machine = argv[0];
574 p = find_colon(argv[argc-1]);
577 } else if (p[1] == ':') {
579 return start_socket_client(argv[argc-1], p+2, argc-1, argv);
584 exit_cleanup(RERR_SYNTAX);
588 shell_machine = NULL;
589 shell_path = argv[argc-1];
592 shell_machine = argv[argc-1];
599 p = strchr(shell_machine,'@');
602 shell_user = shell_machine;
608 rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n",
609 shell_cmd?shell_cmd:"",
610 shell_machine?shell_machine:"",
611 shell_user?shell_user:"",
612 shell_path?shell_path:"");
615 if (!am_sender && argc > 1) {
617 exit_cleanup(RERR_SYNTAX);
620 pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path,&f_in,&f_out);
622 ret = client_run(f_in, f_out, pid, argc, argv);
631 static RETSIGTYPE sigusr1_handler(int val) {
632 exit_cleanup(RERR_SIGNAL);
635 static RETSIGTYPE sigusr2_handler(int val) {
639 int main(int argc,char *argv[])
642 extern int orig_umask;
644 extern int am_daemon;
645 extern int am_server;
647 signal(SIGUSR1, sigusr1_handler);
648 signal(SIGUSR2, sigusr2_handler);
650 starttime = time(NULL);
651 am_root = (getuid() == 0);
653 memset(&stats, 0, sizeof(stats));
657 exit_cleanup(RERR_SYNTAX);
660 /* we set a 0 umask so that correct file permissions can be
662 orig_umask = (int)umask(0);
664 if (!parse_arguments(argc, argv, 1)) {
665 exit_cleanup(RERR_SYNTAX);
672 signal(SIGCHLD,SIG_IGN);
673 signal(SIGINT,SIGNAL_CAST sig_int);
674 signal(SIGPIPE,SIGNAL_CAST sig_int);
675 signal(SIGHUP,SIGNAL_CAST sig_int);
676 signal(SIGTERM,SIGNAL_CAST sig_int);
678 /* Initialize push_dir here because on some old systems getcwd
679 (implemented by forking "pwd" and reading its output) doesn't
680 work when there are other child processes. Also, on all systems
681 that implement getcwd that way "pwd" can't be found after chroot. */
685 return daemon_main();
690 exit_cleanup(RERR_SYNTAX);
694 verbose = MAX(verbose,1);
696 #ifndef SUPPORT_LINKS
697 if (!am_server && preserve_links) {
698 rprintf(FERROR,"ERROR: symbolic links not supported\n");
699 exit_cleanup(RERR_UNSUPPORTED);
704 set_nonblocking(STDIN_FILENO);
705 set_nonblocking(STDOUT_FILENO);
706 start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv);
709 return start_client(argc, argv);