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.
25 extern int csum_length;
29 static void report(int f)
32 time_t t = time(NULL);
38 if (am_server && am_sender) {
39 write_longint(f,read_total());
40 write_longint(f,write_total());
41 write_longint(f,total_size);
52 out = read_longint(f);
53 tsize = read_longint(f);
56 printf("wrote %.0f bytes read %.0f bytes %.2f bytes/sec\n",
57 (double)out,(double)in,(in+out)/(0.5 + (t-starttime)));
58 printf("total size is %.0f speedup is %.2f\n",
59 (double)tsize,(1.0*tsize)/(in+out));
63 static int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out)
68 extern int local_server;
69 extern char *rsync_path;
73 cmd = getenv(RSYNC_RSH_ENV);
80 for (tok=strtok(cmd," ");tok;tok=strtok(NULL," ")) {
85 /* remsh (on HPUX) takes the arguments the other way around */
86 args[argc++] = machine;
96 args[argc++] = machine;
99 args[argc++] = rsync_path;
101 server_options(args,&argc);
112 rprintf(FINFO,"cmd=");
114 rprintf(FINFO,"%s ",args[i]);
119 ret = local_child(argc, args, f_in, f_out);
121 ret = piped_child(args,f_in,f_out);
129 out_of_memory("do_cmd");
130 return 0; /* not reached */
136 static char *get_local_name(struct file_list *flist,char *name)
139 extern int orig_umask;
141 if (do_stat(name,&st) == 0) {
142 if (S_ISDIR(st.st_mode)) {
143 if (chdir(name) != 0) {
144 rprintf(FERROR,"chdir %s : %s (1)\n",name,strerror(errno));
149 if (flist->count > 1) {
150 rprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n");
156 if (flist->count == 1)
162 if (do_mkdir(name,0777 & ~orig_umask) != 0) {
163 rprintf(FERROR,"mkdir %s : %s (1)\n",name,strerror(errno));
166 rprintf(FINFO,"created directory %s\n",name);
169 if (chdir(name) != 0) {
170 rprintf(FERROR,"chdir %s : %s (2)\n",name,strerror(errno));
180 static void do_server_sender(int f_in, int f_out, int argc,char *argv[])
183 struct file_list *flist;
185 extern int relative_paths;
186 extern int am_daemon;
190 rprintf(FINFO,"server_sender starting pid=%d\n",(int)getpid());
192 if (!relative_paths && chdir(dir) != 0) {
193 rprintf(FERROR,"chdir %s: %s (3)\n",dir,strerror(errno));
199 if (strcmp(dir,".")) {
201 if (strcmp(dir,"/") == 0)
208 extern int module_id;
209 char *name = lp_name(module_id);
210 int l = strlen(name);
211 for (i=0;i<argc;i++) {
212 if (strncmp(argv[i], name, l) == 0) {
214 if (!*argv[i]) argv[i] = ".";
219 if (argc == 0 && recurse) {
225 rprintf(FINFO,"sending file list\n");
227 flist = send_file_list(f_out,argc,argv);
228 send_files(flist,f_out,f_in);
234 static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
239 extern int preserve_hard_links;
241 if (preserve_hard_links)
242 init_hard_links(flist);
244 if (pipe(recv_pipe) < 0) {
245 rprintf(FERROR,"pipe failed in do_recv\n");
250 if ((pid=do_fork()) == 0) {
251 recv_files(f_in,flist,local_name,recv_pipe[1]);
253 rprintf(FINFO,"receiver read %ld\n",(long)read_total());
257 generate_files(f_out,flist,local_name,recv_pipe[0]);
259 waitpid(pid, &status, 0);
265 static void do_server_recv(int f_in, int f_out, int argc,char *argv[])
268 struct file_list *flist;
269 char *local_name=NULL;
271 extern int delete_mode;
272 extern int am_daemon;
275 rprintf(FINFO,"server_recv(%d) starting pid=%d\n",argc,(int)getpid());
278 extern int module_id;
279 char *name = lp_name(module_id);
280 int i, l = strlen(name);
281 for (i=0;i<argc;i++) {
282 if (strncmp(argv[i], name, l) == 0) {
284 if (!*argv[i]) argv[i] = ".";
293 if (!am_daemon && chdir(dir) != 0) {
294 rprintf(FERROR,"chdir %s : %s (4)\n",
295 dir,strerror(errno));
301 recv_exclude_list(f_in);
303 flist = recv_file_list(f_in);
304 if (!flist || flist->count == 0) {
305 rprintf(FERROR,"nothing to do\n");
310 if (strcmp(dir,".")) {
311 argv[0] += strlen(dir);
312 if (argv[0][0] == '/') argv[0]++;
314 local_name = get_local_name(flist,argv[0]);
317 status = do_recv(f_in,f_out,flist,local_name);
318 exit_cleanup(status);
322 void start_server(int f_in, int f_out, int argc, char *argv[])
324 extern int cvs_exclude;
325 extern int am_sender;
327 setup_protocol(f_out, f_in);
330 recv_exclude_list(f_in);
333 do_server_sender(f_in, f_out, argc, argv);
335 do_server_recv(f_in, f_out, argc, argv);
340 int client_run(int f_in, int f_out, int pid, int argc, char *argv[])
342 struct file_list *flist;
343 int status = 0, status2 = 0;
344 char *local_name = NULL;
345 extern int am_sender;
347 setup_protocol(f_out,f_in);
350 extern int cvs_exclude;
351 extern int delete_mode;
355 send_exclude_list(f_out);
356 flist = send_file_list(f_out,argc,argv);
358 rprintf(FINFO,"file list sent\n");
359 send_files(flist,f_out,f_in);
362 rprintf(FINFO,"waiting on %d\n",pid);
363 waitpid(pid, &status, 0);
366 exit_cleanup(status);
369 send_exclude_list(f_out);
371 flist = recv_file_list(f_in);
372 if (!flist || flist->count == 0) {
373 rprintf(FINFO,"nothing to do\n");
377 local_name = get_local_name(flist,argv[0]);
379 status2 = do_recv(f_in,f_out,flist,local_name);
384 waitpid(pid, &status, 0);
387 return status | status2;
391 int start_client(int argc, char *argv[])
394 char *shell_machine = NULL;
395 char *shell_path = NULL;
396 char *shell_user = NULL;
399 extern int local_server;
400 extern int am_sender;
401 extern char *shell_cmd;
403 p = strchr(argv[0],':');
408 return start_socket_client(argv[0], p+2, argc-1, argv+1);
418 shell_machine = argv[0];
425 p = strchr(argv[argc-1],':');
428 } else if (p[1] == ':') {
430 return start_socket_client(argv[argc-1], p+2, argc-1, argv);
439 shell_machine = NULL;
440 shell_path = argv[argc-1];
443 shell_machine = argv[argc-1];
450 p = strchr(shell_machine,'@');
453 shell_user = shell_machine;
459 rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n",
460 shell_cmd?shell_cmd:"",
461 shell_machine?shell_machine:"",
462 shell_user?shell_user:"",
463 shell_path?shell_path:"");
466 if (!am_sender && argc != 1) {
471 pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path,&f_in,&f_out);
478 return client_run(f_in, f_out, pid, argc, argv);
482 RETSIGTYPE sigusr1_handler(int val) {
486 int main(int argc,char *argv[])
489 extern int orig_umask;
491 extern int am_daemon;
492 extern int am_server;
494 signal(SIGUSR1, sigusr1_handler);
496 starttime = time(NULL);
497 am_root = (getuid() == 0);
499 /* we set a 0 umask so that correct file permissions can be
501 orig_umask = (int)umask(0);
503 parse_arguments(argc, argv);
509 signal(SIGCHLD,SIG_IGN);
510 signal(SIGINT,SIGNAL_CAST sig_int);
511 signal(SIGPIPE,SIGNAL_CAST sig_int);
512 signal(SIGHUP,SIGNAL_CAST sig_int);
515 return daemon_main();
519 verbose = MAX(verbose,1);
521 #ifndef SUPPORT_LINKS
522 if (!am_server && preserve_links) {
523 rprintf(FERROR,"ERROR: symbolic links not supported\n");
529 start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv);
532 return start_client(argc, argv);