1 /* -*- c-file-style: "linux" -*-
3 Copyright (C) 1996-2001 by Andrew Tridgell <tridge@samba.org>
4 Copyright (C) Paul Mackerras 1996
5 Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org>
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 extern struct stats stats;
30 extern int am_generator;
33 extern int blocking_io;
34 extern int cvs_exclude;
35 extern int delete_mode;
36 extern int delete_excluded;
37 extern int delete_after;
38 extern int daemon_over_rsh;
42 extern int local_server;
43 extern int log_got_error;
45 extern int orig_umask;
46 extern int keep_dirlinks;
47 extern int preserve_hard_links;
48 extern int protocol_version;
50 extern int relative_paths;
51 extern int rsync_port;
52 extern int whole_file;
53 extern int read_batch;
54 extern int write_batch;
56 extern int batch_gen_fd;
57 extern int filesfrom_fd;
58 extern pid_t cleanup_child_pid;
59 extern char *files_from;
60 extern char *remote_filesfrom_file;
61 extern char *rsync_path;
62 extern char *shell_cmd;
63 extern char *batch_name;
66 /* there's probably never more than at most 2 outstanding child processes,
67 * but set it higher just in case.
69 #define MAXCHILDPROCS 5
74 } pid_stat_table[MAXCHILDPROCS];
76 static void show_malloc_stats(void);
78 /****************************************************************************
79 wait for a process to exit, calling io_flush while waiting
80 ****************************************************************************/
81 void wait_process(pid_t pid, int *status)
86 while ((waited_pid = waitpid(pid, status, WNOHANG)) == 0) {
91 if (waited_pid == -1 && errno == ECHILD) {
92 /* status of requested child no longer available.
93 * check to see if it was processed by the sigchld_handler.
95 for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) {
96 if (pid == pid_stat_table[cnt].pid) {
97 *status = pid_stat_table[cnt].status;
98 pid_stat_table[cnt].pid = 0;
104 /* TODO: If the child exited on a signal, then log an
105 * appropriate error message. Perhaps we should also accept a
106 * message describing the purpose of the child. Also indicate
107 * this to the caller so that thhey know something went
109 *status = WEXITSTATUS(*status);
112 /* This function gets called from all 3 processes. We want the client side
113 * to actually output the text, but the sender is the only process that has
114 * all the stats we need. So, if we're a client sender, we do the report.
115 * If we're a server sender, we write the stats on the supplied fd. If
116 * we're the client receiver we read the stats from the supplied fd and do
117 * the report. All processes might also generate a set of debug stats, if
118 * the verbose level is high enough (this is the only thing that the
119 * generator process and the server receiver ever do here). */
120 static void report(int f)
122 /* Cache two stats because the read/write code can change it. */
123 int64 total_read = stats.total_read;
124 int64 total_written = stats.total_written;
125 time_t t = time(NULL);
127 if (do_stats && verbose > 1) {
128 /* These come out from every process */
137 log_exit(0, __FILE__, __LINE__);
138 if (f == -1 || !am_sender)
144 write_longint(f, total_read);
145 write_longint(f, total_written);
146 write_longint(f, stats.total_size);
151 /* this is the client */
154 total_written = read_longint(f);
155 total_read = read_longint(f);
156 stats.total_size = read_longint(f);
157 } else if (write_batch) {
158 /* The --read-batch process is going to be a client
159 * receiver, so we need to give it the stats. */
160 write_longint(batch_fd, total_read);
161 write_longint(batch_fd, total_written);
162 write_longint(batch_fd, stats.total_size);
166 rprintf(FINFO,"\nNumber of files: %d\n", stats.num_files);
167 rprintf(FINFO,"Number of files transferred: %d\n",
168 stats.num_transferred_files);
169 rprintf(FINFO,"Total file size: %.0f bytes\n",
170 (double)stats.total_size);
171 rprintf(FINFO,"Total transferred file size: %.0f bytes\n",
172 (double)stats.total_transferred_size);
173 rprintf(FINFO,"Literal data: %.0f bytes\n",
174 (double)stats.literal_data);
175 rprintf(FINFO,"Matched data: %.0f bytes\n",
176 (double)stats.matched_data);
177 rprintf(FINFO,"File list size: %d\n", stats.flist_size);
178 rprintf(FINFO,"Total bytes written: %.0f\n",
179 (double)total_written);
180 rprintf(FINFO,"Total bytes read: %.0f\n",
184 if (verbose || do_stats) {
186 "\nwrote %.0f bytes read %.0f bytes %.2f bytes/sec\n",
187 (double)total_written, (double)total_read,
188 (total_written + total_read)/(0.5 + (t - starttime)));
189 rprintf(FINFO, "total size is %.0f speedup is %.2f\n",
190 (double)stats.total_size,
191 (double)stats.total_size / (total_written+total_read));
200 * If our C library can get malloc statistics, then show them to FINFO
202 static void show_malloc_stats(void)
209 rprintf(FINFO, "\n" RSYNC_NAME "[%d] (%s%s%s) heap statistics:\n",
211 am_server ? "server " : "",
212 am_daemon ? "daemon " : "",
214 rprintf(FINFO, " arena: %10d (bytes from sbrk)\n", mi.arena);
215 rprintf(FINFO, " ordblks: %10d (chunks not in use)\n", mi.ordblks);
216 rprintf(FINFO, " smblks: %10d\n", mi.smblks);
217 rprintf(FINFO, " hblks: %10d (chunks from mmap)\n", mi.hblks);
218 rprintf(FINFO, " hblkhd: %10d (bytes from mmap)\n", mi.hblkhd);
219 rprintf(FINFO, " allmem: %10d (bytes from sbrk + mmap)\n",
220 mi.arena + mi.hblkhd);
221 rprintf(FINFO, " usmblks: %10d\n", mi.usmblks);
222 rprintf(FINFO, " fsmblks: %10d\n", mi.fsmblks);
223 rprintf(FINFO, " uordblks: %10d (bytes used)\n", mi.uordblks);
224 rprintf(FINFO, " fordblks: %10d (bytes free)\n", mi.fordblks);
225 rprintf(FINFO, " keepcost: %10d (bytes in releasable chunk)\n", mi.keepcost);
226 #endif /* HAVE_MALLINFO */
230 /* Start the remote shell. cmd may be NULL to use the default. */
231 static pid_t do_cmd(char *cmd, char *machine, char *user, char *path,
232 int *f_in, int *f_out)
235 char *args[MAX_ARGS];
237 char *tok, *dir = NULL;
240 if (!read_batch && !local_server) {
241 char *rsh_env = getenv(RSYNC_RSH_ENV);
250 for (tok = strtok(cmd, " "); tok; tok = strtok(NULL, " ")) {
251 /* Comparison leaves rooms for server_options(). */
252 if (argc >= MAX_ARGS - 100) {
253 rprintf(FERROR, "internal: args[] overflowed in do_cmd()\n");
254 exit_cleanup(RERR_SYNTAX);
259 /* check to see if we've already been given '-l user' in
260 * the remote-shell command */
261 for (i = 0; i < argc-1; i++) {
262 if (!strcmp(args[i], "-l") && args[i+1][0] != '-')
267 /* remsh (on HPUX) takes the arguments the other way around */
268 args[argc++] = machine;
269 if (user && !(daemon_over_rsh && dash_l_set)) {
274 if (user && !(daemon_over_rsh && dash_l_set)) {
278 args[argc++] = machine;
281 args[argc++] = rsync_path;
283 if (blocking_io < 0) {
285 if ((cp = strrchr(cmd, '/')) != NULL)
289 if (strcmp(cp, "rsh") == 0 || strcmp(cp, "remsh") == 0)
293 server_options(args,&argc);
295 if (argc >= MAX_ARGS - 2) {
296 rprintf(FERROR, "internal: args[] overflowed in do_cmd()\n");
297 exit_cleanup(RERR_SYNTAX);
303 if (!daemon_over_rsh && path && *path)
309 rprintf(FINFO,"cmd=");
310 for (i = 0; i < argc; i++)
311 rprintf(FINFO,"%s ",args[i]);
316 int from_gen_pipe[2];
317 if (fd_pair(from_gen_pipe) < 0) {
318 rsyserr(FERROR, errno, "pipe");
319 exit_cleanup(RERR_IPC);
321 batch_gen_fd = from_gen_pipe[0];
322 *f_out = from_gen_pipe[1];
324 ret = -1; /* no child pid */
325 } else if (local_server) {
326 /* If the user didn't request --[no-]whole-file, force
327 * it on, but only if we're not batch processing. */
328 if (whole_file < 0 && !write_batch)
330 ret = local_child(argc, args, f_in, f_out, child_main);
332 ret = piped_child(args,f_in,f_out);
340 out_of_memory("do_cmd");
341 return 0; /* not reached */
345 static char *get_local_name(struct file_list *flist,char *name)
351 rprintf(FINFO,"get_local_name count=%d %s\n",
352 flist->count, NS(name));
357 if (do_stat(name,&st) == 0) {
358 if (S_ISDIR(st.st_mode)) {
359 if (!push_dir(name)) {
360 rsyserr(FERROR, errno, "push_dir#1 %s failed",
362 exit_cleanup(RERR_FILESELECT);
366 if (flist->count > 1) {
367 rprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n");
368 exit_cleanup(RERR_FILESELECT);
373 if (flist->count <= 1 && ((e = strlen(name)) <= 1 || name[e-1] != '/'))
376 if (do_mkdir(name,0777 & ~orig_umask) != 0) {
377 rsyserr(FERROR, errno, "mkdir %s failed", full_fname(name));
378 exit_cleanup(RERR_FILEIO);
381 rprintf(FINFO,"created directory %s\n",name);
384 if (!push_dir(name)) {
385 rsyserr(FERROR, errno, "push_dir#2 %s failed",
387 exit_cleanup(RERR_FILESELECT);
394 static void do_server_sender(int f_in, int f_out, int argc,char *argv[])
397 struct file_list *flist;
401 rprintf(FINFO, "server_sender starting pid=%ld\n",
405 if (am_daemon && lp_write_only(module_id)) {
406 rprintf(FERROR, "ERROR: module is write only\n");
407 exit_cleanup(RERR_SYNTAX);
411 if (!relative_paths && !push_dir(dir)) {
412 rsyserr(FERROR, errno, "push_dir#3 %s failed",
414 exit_cleanup(RERR_FILESELECT);
419 if (strcmp(dir,".")) {
421 if (strcmp(dir,"/") == 0)
423 for (i = 0; i < argc; i++)
427 if (argc == 0 && recurse) {
433 flist = send_file_list(f_out,argc,argv);
434 if (!flist || flist->count == 0) {
438 io_start_buffering_in();
439 io_start_buffering_out();
441 send_files(flist,f_out,f_in);
442 io_flush(FULL_FLUSH);
444 if (protocol_version >= 24) {
445 /* final goodbye message */
448 io_flush(FULL_FLUSH);
453 static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
459 if (preserve_hard_links)
460 init_hard_links(flist);
463 /* I moved this here from recv_files() to prevent a race condition */
464 if (recurse && delete_mode && !local_name && flist->count>0) {
469 if (fd_pair(error_pipe) < 0) {
470 rprintf(FERROR,"error pipe failed in do_recv\n");
471 exit_cleanup(RERR_SOCKETIO);
474 io_flush(NORMAL_FLUSH);
476 if ((pid = do_fork()) == 0) {
477 close(error_pipe[0]);
481 /* we can't let two processes write to the socket at one time */
482 io_multiplexing_close();
484 /* set place to send errors */
485 set_msg_fd_out(error_pipe[1]);
487 recv_files(f_in,flist,local_name);
488 io_flush(FULL_FLUSH);
491 send_msg(MSG_DONE, "", 0);
492 io_flush(FULL_FLUSH);
493 /* finally we go to sleep until our parent kills us
494 * with a USR2 signal. We sleep for a short time as on
495 * some OSes a signal won't interrupt a sleep! */
504 close(error_pipe[1]);
508 io_start_buffering_out();
510 set_msg_fd_in(error_pipe[0]);
512 generate_files(f_out, flist, local_name);
514 get_redo_num(); /* Read final MSG_DONE and any prior messages. */
516 io_flush(FULL_FLUSH);
517 if (protocol_version >= 24) {
518 /* send a final goodbye message */
519 write_int(f_out, -1);
521 io_flush(FULL_FLUSH);
525 wait_process(pid, &status);
530 static void do_server_recv(int f_in, int f_out, int argc,char *argv[])
533 struct file_list *flist;
534 char *local_name = NULL;
538 rprintf(FINFO, "server_recv(%d) starting pid=%ld\n",
539 argc, (long)getpid());
542 if (am_daemon && lp_read_only(module_id)) {
543 rprintf(FERROR,"ERROR: module is read only\n");
544 exit_cleanup(RERR_SYNTAX);
553 if (!am_daemon && !push_dir(dir)) {
554 rsyserr(FERROR, errno, "push_dir#4 %s failed",
556 exit_cleanup(RERR_FILESELECT);
560 io_start_buffering_in();
561 if (delete_mode && !delete_excluded)
562 recv_exclude_list(f_in);
564 if (filesfrom_fd >= 0) {
565 /* We're receiving the file info from the sender, so we need
566 * the IO routines to automatically write out the names onto
567 * our f_out socket as we read the list info from the sender.
568 * This avoids both deadlock and extra delays/buffers. */
569 io_set_filesfrom_fds(filesfrom_fd, f_out);
573 flist = recv_file_list(f_in);
575 rprintf(FERROR,"server_recv: recv_file_list error\n");
576 exit_cleanup(RERR_FILESELECT);
580 if (strcmp(dir,".")) {
581 argv[0] += strlen(dir);
582 if (argv[0][0] == '/')
585 local_name = get_local_name(flist,argv[0]);
588 status = do_recv(f_in,f_out,flist,local_name);
589 exit_cleanup(status);
593 int child_main(int argc, char *argv[])
595 start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv);
600 void start_server(int f_in, int f_out, int argc, char *argv[])
602 set_nonblocking(f_in);
603 set_nonblocking(f_out);
605 io_set_sock_fds(f_in, f_out);
606 setup_protocol(f_out, f_in);
608 if (protocol_version >= 23)
609 io_start_multiplex_out();
612 keep_dirlinks = 0; /* Must be disabled on the sender. */
614 recv_exclude_list(f_in);
617 do_server_sender(f_in, f_out, argc, argv);
619 do_server_recv(f_in, f_out, argc, argv);
626 * This is called once the connection has been negotiated. It is used
627 * for rsyncd, remote-shell, and local connections.
629 int client_run(int f_in, int f_out, pid_t pid, int argc, char *argv[])
631 struct file_list *flist = NULL;
632 int status = 0, status2 = 0;
633 char *local_name = NULL;
635 cleanup_child_pid = pid;
637 assert(am_sender == 0);
639 set_nonblocking(f_in);
640 set_nonblocking(f_out);
643 io_set_sock_fds(f_in, f_out);
644 setup_protocol(f_out,f_in);
646 if (protocol_version >= 23 && !read_batch)
647 io_start_multiplex_in();
650 keep_dirlinks = 0; /* Must be disabled on the sender. */
651 io_start_buffering_out();
654 if (delete_mode && !delete_excluded)
655 send_exclude_list(f_out);
656 if (remote_filesfrom_file)
660 start_write_batch(f_out);
661 if (!read_batch) /* don't write to pipe */
662 flist = send_file_list(f_out,argc,argv);
664 rprintf(FINFO,"file list sent\n");
666 io_flush(NORMAL_FLUSH);
667 send_files(flist,f_out,f_in);
668 io_flush(FULL_FLUSH);
669 if (protocol_version >= 24) {
670 /* final goodbye message */
675 rprintf(FINFO,"client_run waiting on %d\n", (int) pid);
676 io_flush(FULL_FLUSH);
677 wait_process(pid, &status);
680 io_flush(FULL_FLUSH);
681 exit_cleanup(status);
688 send_exclude_list(f_out);
690 if (filesfrom_fd >= 0) {
691 io_set_filesfrom_fds(filesfrom_fd, f_out);
696 start_write_batch(f_in);
697 flist = recv_file_list(f_in);
698 if (!flist || flist->count == 0) {
699 rprintf(FINFO, "client: nothing to do: "
700 "perhaps you need to specify some filenames or "
701 "the --recursive option?\n");
705 local_name = get_local_name(flist,argv[0]);
707 status2 = do_recv(f_in,f_out,flist,local_name);
711 rprintf(FINFO,"client_run2 waiting on %d\n", (int) pid);
712 io_flush(FULL_FLUSH);
713 wait_process(pid, &status);
716 return MAX(status, status2);
719 static int copy_argv (char *argv[])
723 for (i = 0; argv[i]; i++) {
724 if (!(argv[i] = strdup(argv[i]))) {
725 rprintf (FERROR, "out of memory at %s(%d)\n",
736 * Start a client for either type of remote connection. Work out
737 * whether the arguments request a remote shell or rsyncd connection,
738 * and call the appropriate connection function, then run_client.
740 * Calls either start_socket_client (for sockets) or do_cmd and
741 * client_run (for ssh).
743 static int start_client(int argc, char *argv[])
746 char *shell_machine = NULL;
747 char *shell_path = NULL;
748 char *shell_user = NULL;
754 /* Don't clobber argv[] so that ps(1) can still show the right
756 if ((rc = copy_argv(argv)))
759 /* rsync:// always uses rsync server over direct socket connection */
760 if (strncasecmp(URL_PREFIX, argv[0], strlen(URL_PREFIX)) == 0
764 host = argv[0] + strlen(URL_PREFIX);
765 p = strchr(host,'/');
772 p = strchr(host,':');
774 rsync_port = atoi(p+1);
777 return start_socket_client(host, path, argc-1, argv+1);
780 if (!read_batch) { /* for read_batch, NO source is specified */
781 p = find_colon(argv[0]);
782 if (p) { /* source is remote */
783 if (remote_filesfrom_file
784 && remote_filesfrom_file != files_from + 1
785 && strncmp(files_from, argv[0], p-argv[0]+1) != 0) {
787 "--files-from hostname is not transfer hostname\n");
788 exit_cleanup(RERR_SYNTAX);
790 if (p[1] == ':') { /* double colon */
793 return start_socket_client(argv[0], p+2,
800 if (argc < 1) { /* destination required */
802 exit_cleanup(RERR_SYNTAX);
807 shell_machine = argv[0];
810 } else { /* source is local */
813 /* rsync:// destination uses rsync server over direct socket */
814 if (strncasecmp(URL_PREFIX, argv[argc-1], strlen(URL_PREFIX)) == 0) {
817 host = argv[argc-1] + strlen(URL_PREFIX);
818 p = strchr(host,'/');
825 p = strchr(host,':');
827 rsync_port = atoi(p+1);
830 return start_socket_client(host, path, argc-1, argv);
833 p = find_colon(argv[argc-1]); /* look in dest arg */
834 if (p && remote_filesfrom_file
835 && remote_filesfrom_file != files_from + 1
836 && strncmp(files_from, argv[argc-1], p-argv[argc-1]+1) != 0) {
838 "--files-from hostname is not transfer hostname\n");
839 exit_cleanup(RERR_SYNTAX);
841 if (!p) { /* no colon found, so src & dest are local */
843 if (remote_filesfrom_file) {
845 "--files-from is remote but transfer is local\n");
846 exit_cleanup(RERR_SYNTAX);
848 } else if (p[1] == ':') { /* double colon */
851 return start_socket_client(argv[argc-1], p+2,
860 exit_cleanup(RERR_SYNTAX);
864 shell_machine = NULL;
865 shell_path = argv[argc-1];
868 shell_machine = argv[argc-1];
873 } else { /* read_batch */
875 shell_path = argv[argc-1];
876 if (find_colon(shell_path)) {
877 rprintf(FERROR, "remote destination is not allowed with --read-batch\n");
878 exit_cleanup(RERR_SYNTAX);
883 p = strrchr(shell_machine,'@');
886 shell_user = shell_machine;
892 rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n",
893 shell_cmd?shell_cmd:"",
894 shell_machine?shell_machine:"",
895 shell_user?shell_user:"",
896 shell_path?shell_path:"");
899 /* for remote source, only single dest arg can remain ... */
900 if (!am_sender && argc > 1) {
902 exit_cleanup(RERR_SYNTAX);
905 /* ... or no dest at all */
906 if (!am_sender && argc == 0) {
910 pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path,
913 /* if we're running an rsync server on the remote host over a
914 * remote shell command, we need to do the RSYNCD protocol first */
915 if (daemon_over_rsh) {
917 tmpret = start_inband_exchange(shell_user, shell_path,
923 ret = client_run(f_in, f_out, pid, argc, argv);
932 static RETSIGTYPE sigusr1_handler(UNUSED(int val))
934 exit_cleanup(RERR_SIGNAL);
937 static RETSIGTYPE sigusr2_handler(UNUSED(int val))
939 if (log_got_error) _exit(RERR_PARTIAL);
943 static RETSIGTYPE sigchld_handler(UNUSED(int val))
948 /* An empty waitpid() loop was put here by Tridge and we could never
949 * get him to explain why he put it in, so rather than taking it
950 * out we're instead saving the child exit statuses for later use.
951 * The waitpid() loop presumably eliminates all possibility of leaving
952 * zombie children, maybe that's why he did it.
954 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
955 /* save the child's exit status */
956 for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) {
957 if (pid_stat_table[cnt].pid == 0) {
958 pid_stat_table[cnt].pid = pid;
959 pid_stat_table[cnt].status = status;
969 * This routine catches signals and tries to send them to gdb.
971 * Because it's called from inside a signal handler it ought not to
972 * use too many library routines.
974 * @todo Perhaps use "screen -X" instead/as well, to help people
975 * debugging without easy access to X. Perhaps use an environment
976 * variable, or just call a script?
978 * @todo The /proc/ magic probably only works on Linux (and
979 * Solaris?) Can we be more portable?
981 #ifdef MAINTAINER_MODE
982 const char *get_panic_action(void)
984 const char *cmd_fmt = getenv("RSYNC_PANIC_ACTION");
989 return "xterm -display :0 -T Panic -n Panic "
990 "-e gdb /proc/%d/exe %d";
995 * Handle a fatal signal by launching a debugger, controlled by $RSYNC_PANIC_ACTION.
997 * This signal handler is only installed if we were configured with
998 * --enable-maintainer-mode. Perhaps it should always be on and we
999 * should just look at the environment variable, but I'm a bit leery
1000 * of a signal sending us into a busy loop.
1002 static RETSIGTYPE rsync_panic_handler(UNUSED(int whatsig))
1007 sprintf(cmd_buf, get_panic_action(),
1008 getpid(), getpid());
1010 /* Unless we failed to execute gdb, we allow the process to
1011 * continue. I'm not sure if that's right. */
1012 ret = system(cmd_buf);
1019 int main(int argc,char *argv[])
1022 int orig_argc = argc;
1023 char **orig_argv = argv;
1025 signal(SIGUSR1, sigusr1_handler);
1026 signal(SIGUSR2, sigusr2_handler);
1027 signal(SIGCHLD, sigchld_handler);
1028 #ifdef MAINTAINER_MODE
1029 signal(SIGSEGV, rsync_panic_handler);
1030 signal(SIGFPE, rsync_panic_handler);
1031 signal(SIGABRT, rsync_panic_handler);
1032 signal(SIGBUS, rsync_panic_handler);
1033 #endif /* def MAINTAINER_MODE */
1035 starttime = time(NULL);
1036 am_root = (MY_UID() == 0);
1038 memset(&stats, 0, sizeof(stats));
1042 exit_cleanup(RERR_SYNTAX);
1045 /* we set a 0 umask so that correct file permissions can be
1047 orig_umask = (int)umask(0);
1049 if (!parse_arguments(&argc, (const char ***) &argv, 1)) {
1050 /* FIXME: We ought to call the same error-handling
1051 * code here, rather than relying on getopt. */
1053 exit_cleanup(RERR_SYNTAX);
1056 signal(SIGINT,SIGNAL_CAST sig_int);
1057 signal(SIGHUP,SIGNAL_CAST sig_int);
1058 signal(SIGTERM,SIGNAL_CAST sig_int);
1060 /* Ignore SIGPIPE; we consistently check error codes and will
1062 signal(SIGPIPE, SIG_IGN);
1064 /* Initialize push_dir here because on some old systems getcwd
1065 * (implemented by forking "pwd" and reading its output) doesn't
1066 * work when there are other child processes. Also, on all systems
1067 * that implement getcwd that way "pwd" can't be found after chroot. */
1072 if (write_batch || read_batch) {
1074 write_batch_shell_file(orig_argc, orig_argv, argc);
1076 if (read_batch && strcmp(batch_name, "-") == 0)
1077 batch_fd = STDIN_FILENO;
1079 batch_fd = do_open(batch_name,
1080 write_batch ? O_WRONLY | O_CREAT | O_TRUNC
1081 : O_RDONLY, S_IRUSR | S_IWUSR);
1084 rsyserr(FERROR, errno, "Batch file %s open error",
1086 exit_cleanup(RERR_FILEIO);
1090 if (am_daemon && !am_server)
1091 return daemon_main();
1095 exit_cleanup(RERR_SYNTAX);
1099 verbose = MAX(verbose,1);
1102 set_nonblocking(STDIN_FILENO);
1103 set_nonblocking(STDOUT_FILENO);
1105 return start_daemon(STDIN_FILENO, STDOUT_FILENO);
1106 start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv);
1109 ret = start_client(argc, argv);
1111 exit_cleanup(RERR_STARTCLIENT);