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 (pipe(recv_pipe) < 0) {
298 rprintf(FERROR,"pipe failed in do_recv\n");
299 exit_cleanup(RERR_SOCKETIO);
302 if (pipe(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;
395 setup_protocol(f_out, f_in);
398 recv_exclude_list(f_in);
401 do_server_sender(f_in, f_out, argc, argv);
403 do_server_recv(f_in, f_out, argc, argv);
408 int client_run(int f_in, int f_out, int pid, int argc, char *argv[])
410 struct file_list *flist;
411 int status = 0, status2 = 0;
412 char *local_name = NULL;
413 extern int am_sender;
414 extern int list_only;
416 setup_protocol(f_out,f_in);
419 extern int cvs_exclude;
420 extern int delete_mode;
421 extern int delete_excluded;
424 if (delete_mode && !delete_excluded)
425 send_exclude_list(f_out);
426 flist = send_file_list(f_out,argc,argv);
428 rprintf(FINFO,"file list sent\n");
430 send_files(flist,f_out,f_in);
433 rprintf(FINFO,"client_run waiting on %d\n",pid);
435 wait_process(pid, &status);
438 exit_cleanup(status);
441 if (argc == 0) list_only = 1;
443 send_exclude_list(f_out);
445 flist = recv_file_list(f_in);
446 if (!flist || flist->count == 0) {
447 rprintf(FINFO,"client: nothing to do\n");
451 local_name = get_local_name(flist,argv[0]);
453 status2 = do_recv(f_in,f_out,flist,local_name);
457 rprintf(FINFO,"client_run2 waiting on %d\n",pid);
459 wait_process(pid, &status);
462 return status | status2;
465 static char *find_colon(char *s)
472 /* now check to see if there is a / in the string before the : - if there is then
473 discard the colon on the assumption that the : is part of a filename */
475 if (p2 && p2 < p) return NULL;
480 static int start_client(int argc, char *argv[])
483 char *shell_machine = NULL;
484 char *shell_path = NULL;
485 char *shell_user = NULL;
488 extern int local_server;
489 extern int am_sender;
490 extern char *shell_cmd;
491 extern int rsync_port;
493 if (strncasecmp(URL_PREFIX, argv[0], strlen(URL_PREFIX)) == 0) {
496 host = argv[0] + strlen(URL_PREFIX);
497 p = strchr(host,'/');
504 p = strchr(host,':');
506 rsync_port = atoi(p+1);
509 return start_socket_client(host, path, argc-1, argv+1);
512 p = find_colon(argv[0]);
517 return start_socket_client(argv[0], p+2, argc-1, argv+1);
522 exit_cleanup(RERR_SYNTAX);
527 shell_machine = argv[0];
534 p = find_colon(argv[argc-1]);
537 } else if (p[1] == ':') {
539 return start_socket_client(argv[argc-1], p+2, argc-1, argv);
544 exit_cleanup(RERR_SYNTAX);
548 shell_machine = NULL;
549 shell_path = argv[argc-1];
552 shell_machine = argv[argc-1];
559 p = strchr(shell_machine,'@');
562 shell_user = shell_machine;
568 rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n",
569 shell_cmd?shell_cmd:"",
570 shell_machine?shell_machine:"",
571 shell_user?shell_user:"",
572 shell_path?shell_path:"");
575 if (!am_sender && argc > 1) {
577 exit_cleanup(RERR_SYNTAX);
580 pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path,&f_in,&f_out);
582 ret = client_run(f_in, f_out, pid, argc, argv);
591 static RETSIGTYPE sigusr1_handler(int val) {
592 exit_cleanup(RERR_SIGNAL);
595 int main(int argc,char *argv[])
598 extern int orig_umask;
600 extern int am_daemon;
601 extern int am_server;
603 signal(SIGUSR1, sigusr1_handler);
605 starttime = time(NULL);
606 am_root = (getuid() == 0);
608 memset(&stats, 0, sizeof(stats));
612 exit_cleanup(RERR_SYNTAX);
615 /* we set a 0 umask so that correct file permissions can be
617 orig_umask = (int)umask(0);
619 if (!parse_arguments(argc, argv, 1)) {
620 exit_cleanup(RERR_SYNTAX);
627 signal(SIGCHLD,SIG_IGN);
628 signal(SIGINT,SIGNAL_CAST sig_int);
629 signal(SIGPIPE,SIGNAL_CAST sig_int);
630 signal(SIGHUP,SIGNAL_CAST sig_int);
631 signal(SIGTERM,SIGNAL_CAST sig_int);
633 /* Initialize push_dir here because on some old systems getcwd
634 (implemented by forking "pwd" and reading its output) doesn't
635 work when there are other child processes. Also, on all systems
636 that implement getcwd that way "pwd" can't be found after chroot. */
640 return daemon_main();
645 exit_cleanup(RERR_SYNTAX);
649 verbose = MAX(verbose,1);
651 #ifndef SUPPORT_LINKS
652 if (!am_server && preserve_links) {
653 rprintf(FERROR,"ERROR: symbolic links not supported\n");
654 exit_cleanup(RERR_UNSUPPORTED);
659 start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv);
662 return start_client(argc, argv);