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 /* Read the first two in opposite order because the meaning of
155 * read/write swaps when switching from sender to receiver. */
156 total_written = read_longint(f);
157 total_read = read_longint(f);
158 stats.total_size = read_longint(f);
159 } else if (write_batch) {
160 /* The --read-batch process is going to be a client
161 * receiver, so we need to give it the stats. */
162 write_longint(batch_fd, total_read);
163 write_longint(batch_fd, total_written);
164 write_longint(batch_fd, stats.total_size);
168 rprintf(FINFO,"\nNumber of files: %d\n", stats.num_files);
169 rprintf(FINFO,"Number of files transferred: %d\n",
170 stats.num_transferred_files);
171 rprintf(FINFO,"Total file size: %.0f bytes\n",
172 (double)stats.total_size);
173 rprintf(FINFO,"Total transferred file size: %.0f bytes\n",
174 (double)stats.total_transferred_size);
175 rprintf(FINFO,"Literal data: %.0f bytes\n",
176 (double)stats.literal_data);
177 rprintf(FINFO,"Matched data: %.0f bytes\n",
178 (double)stats.matched_data);
179 rprintf(FINFO,"File list size: %d\n", stats.flist_size);
180 rprintf(FINFO,"Total bytes written: %.0f\n",
181 (double)total_written);
182 rprintf(FINFO,"Total bytes read: %.0f\n",
186 if (verbose || do_stats) {
188 "\nwrote %.0f bytes read %.0f bytes %.2f bytes/sec\n",
189 (double)total_written, (double)total_read,
190 (total_written + total_read)/(0.5 + (t - starttime)));
191 rprintf(FINFO, "total size is %.0f speedup is %.2f\n",
192 (double)stats.total_size,
193 (double)stats.total_size / (total_written+total_read));
202 * If our C library can get malloc statistics, then show them to FINFO
204 static void show_malloc_stats(void)
211 rprintf(FINFO, "\n" RSYNC_NAME "[%d] (%s%s%s) heap statistics:\n",
213 am_server ? "server " : "",
214 am_daemon ? "daemon " : "",
216 rprintf(FINFO, " arena: %10d (bytes from sbrk)\n", mi.arena);
217 rprintf(FINFO, " ordblks: %10d (chunks not in use)\n", mi.ordblks);
218 rprintf(FINFO, " smblks: %10d\n", mi.smblks);
219 rprintf(FINFO, " hblks: %10d (chunks from mmap)\n", mi.hblks);
220 rprintf(FINFO, " hblkhd: %10d (bytes from mmap)\n", mi.hblkhd);
221 rprintf(FINFO, " allmem: %10d (bytes from sbrk + mmap)\n",
222 mi.arena + mi.hblkhd);
223 rprintf(FINFO, " usmblks: %10d\n", mi.usmblks);
224 rprintf(FINFO, " fsmblks: %10d\n", mi.fsmblks);
225 rprintf(FINFO, " uordblks: %10d (bytes used)\n", mi.uordblks);
226 rprintf(FINFO, " fordblks: %10d (bytes free)\n", mi.fordblks);
227 rprintf(FINFO, " keepcost: %10d (bytes in releasable chunk)\n", mi.keepcost);
228 #endif /* HAVE_MALLINFO */
232 /* Start the remote shell. cmd may be NULL to use the default. */
233 static pid_t do_cmd(char *cmd, char *machine, char *user, char *path,
234 int *f_in, int *f_out)
237 char *args[MAX_ARGS];
239 char *tok, *dir = NULL;
242 if (!read_batch && !local_server) {
243 char *rsh_env = getenv(RSYNC_RSH_ENV);
252 for (tok = strtok(cmd, " "); tok; tok = strtok(NULL, " ")) {
253 /* Comparison leaves rooms for server_options(). */
254 if (argc >= MAX_ARGS - 100) {
255 rprintf(FERROR, "internal: args[] overflowed in do_cmd()\n");
256 exit_cleanup(RERR_SYNTAX);
261 /* check to see if we've already been given '-l user' in
262 * the remote-shell command */
263 for (i = 0; i < argc-1; i++) {
264 if (!strcmp(args[i], "-l") && args[i+1][0] != '-')
269 /* remsh (on HPUX) takes the arguments the other way around */
270 args[argc++] = machine;
271 if (user && !(daemon_over_rsh && dash_l_set)) {
276 if (user && !(daemon_over_rsh && dash_l_set)) {
280 args[argc++] = machine;
283 args[argc++] = rsync_path;
285 if (blocking_io < 0) {
287 if ((cp = strrchr(cmd, '/')) != NULL)
291 if (strcmp(cp, "rsh") == 0 || strcmp(cp, "remsh") == 0)
295 server_options(args,&argc);
297 if (argc >= MAX_ARGS - 2) {
298 rprintf(FERROR, "internal: args[] overflowed in do_cmd()\n");
299 exit_cleanup(RERR_SYNTAX);
305 if (!daemon_over_rsh && path && *path)
311 rprintf(FINFO,"cmd=");
312 for (i = 0; i < argc; i++)
313 rprintf(FINFO,"%s ",args[i]);
318 int from_gen_pipe[2];
319 if (fd_pair(from_gen_pipe) < 0) {
320 rsyserr(FERROR, errno, "pipe");
321 exit_cleanup(RERR_IPC);
323 batch_gen_fd = from_gen_pipe[0];
324 *f_out = from_gen_pipe[1];
326 ret = -1; /* no child pid */
327 } else if (local_server) {
328 /* If the user didn't request --[no-]whole-file, force
329 * it on, but only if we're not batch processing. */
330 if (whole_file < 0 && !write_batch)
332 ret = local_child(argc, args, f_in, f_out, child_main);
334 ret = piped_child(args,f_in,f_out);
342 out_of_memory("do_cmd");
343 return 0; /* not reached */
347 static char *get_local_name(struct file_list *flist,char *name)
353 rprintf(FINFO,"get_local_name count=%d %s\n",
354 flist->count, NS(name));
359 if (do_stat(name,&st) == 0) {
360 if (S_ISDIR(st.st_mode)) {
361 if (!push_dir(name)) {
362 rsyserr(FERROR, errno, "push_dir#1 %s failed",
364 exit_cleanup(RERR_FILESELECT);
368 if (flist->count > 1) {
369 rprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n");
370 exit_cleanup(RERR_FILESELECT);
375 if (flist->count <= 1 && ((e = strlen(name)) <= 1 || name[e-1] != '/'))
378 if (do_mkdir(name,0777 & ~orig_umask) != 0) {
379 rsyserr(FERROR, errno, "mkdir %s failed", full_fname(name));
380 exit_cleanup(RERR_FILEIO);
383 rprintf(FINFO,"created directory %s\n",name);
386 if (!push_dir(name)) {
387 rsyserr(FERROR, errno, "push_dir#2 %s failed",
389 exit_cleanup(RERR_FILESELECT);
396 static void do_server_sender(int f_in, int f_out, int argc,char *argv[])
399 struct file_list *flist;
403 rprintf(FINFO, "server_sender starting pid=%ld\n",
407 if (am_daemon && lp_write_only(module_id)) {
408 rprintf(FERROR, "ERROR: module is write only\n");
409 exit_cleanup(RERR_SYNTAX);
413 if (!relative_paths && !push_dir(dir)) {
414 rsyserr(FERROR, errno, "push_dir#3 %s failed",
416 exit_cleanup(RERR_FILESELECT);
421 if (strcmp(dir,".")) {
423 if (strcmp(dir,"/") == 0)
425 for (i = 0; i < argc; i++)
429 if (argc == 0 && recurse) {
435 flist = send_file_list(f_out,argc,argv);
436 if (!flist || flist->count == 0) {
440 io_start_buffering_in();
441 io_start_buffering_out();
443 send_files(flist,f_out,f_in);
444 io_flush(FULL_FLUSH);
446 if (protocol_version >= 24) {
447 /* final goodbye message */
450 io_flush(FULL_FLUSH);
455 static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
461 if (preserve_hard_links)
462 init_hard_links(flist);
465 /* I moved this here from recv_files() to prevent a race condition */
466 if (recurse && delete_mode && !local_name && flist->count > 0)
470 if (fd_pair(error_pipe) < 0) {
471 rprintf(FERROR,"error pipe failed in do_recv\n");
472 exit_cleanup(RERR_SOCKETIO);
475 io_flush(NORMAL_FLUSH);
477 if ((pid = do_fork()) == 0) {
478 close(error_pipe[0]);
482 /* we can't let two processes write to the socket at one time */
483 close_multiplexing_out();
485 /* set place to send errors */
486 set_msg_fd_out(error_pipe[1]);
488 recv_files(f_in,flist,local_name);
489 io_flush(FULL_FLUSH);
492 send_msg(MSG_DONE, "", 0);
493 io_flush(FULL_FLUSH);
494 /* finally we go to sleep until our parent kills us
495 * with a USR2 signal. We sleep for a short time as on
496 * some OSes a signal won't interrupt a sleep! */
502 close_multiplexing_in();
506 close(error_pipe[1]);
510 io_start_buffering_out();
512 set_msg_fd_in(error_pipe[0]);
514 generate_files(f_out, flist, local_name);
516 get_redo_num(); /* Read final MSG_DONE and any prior messages. */
518 io_flush(FULL_FLUSH);
519 if (protocol_version >= 24) {
520 /* send a final goodbye message */
521 write_int(f_out, -1);
523 io_flush(FULL_FLUSH);
527 wait_process(pid, &status);
532 static void do_server_recv(int f_in, int f_out, int argc,char *argv[])
535 struct file_list *flist;
536 char *local_name = NULL;
540 rprintf(FINFO, "server_recv(%d) starting pid=%ld\n",
541 argc, (long)getpid());
544 if (am_daemon && lp_read_only(module_id)) {
545 rprintf(FERROR,"ERROR: module is read only\n");
546 exit_cleanup(RERR_SYNTAX);
555 if (!am_daemon && !push_dir(dir)) {
556 rsyserr(FERROR, errno, "push_dir#4 %s failed",
558 exit_cleanup(RERR_FILESELECT);
562 io_start_buffering_in();
563 if (delete_mode && !delete_excluded)
564 recv_exclude_list(f_in);
566 if (filesfrom_fd >= 0) {
567 /* We're receiving the file info from the sender, so we need
568 * the IO routines to automatically write out the names onto
569 * our f_out socket as we read the list info from the sender.
570 * This avoids both deadlock and extra delays/buffers. */
571 io_set_filesfrom_fds(filesfrom_fd, f_out);
575 flist = recv_file_list(f_in);
577 rprintf(FERROR,"server_recv: recv_file_list error\n");
578 exit_cleanup(RERR_FILESELECT);
582 if (strcmp(dir,".")) {
583 argv[0] += strlen(dir);
584 if (argv[0][0] == '/')
587 local_name = get_local_name(flist,argv[0]);
590 status = do_recv(f_in,f_out,flist,local_name);
591 exit_cleanup(status);
595 int child_main(int argc, char *argv[])
597 start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv);
602 void start_server(int f_in, int f_out, int argc, char *argv[])
604 set_nonblocking(f_in);
605 set_nonblocking(f_out);
607 io_set_sock_fds(f_in, f_out);
608 setup_protocol(f_out, f_in);
610 if (protocol_version >= 23)
611 io_start_multiplex_out();
614 keep_dirlinks = 0; /* Must be disabled on the sender. */
616 recv_exclude_list(f_in);
619 do_server_sender(f_in, f_out, argc, argv);
621 do_server_recv(f_in, f_out, argc, argv);
628 * This is called once the connection has been negotiated. It is used
629 * for rsyncd, remote-shell, and local connections.
631 int client_run(int f_in, int f_out, pid_t pid, int argc, char *argv[])
633 struct file_list *flist = NULL;
634 int status = 0, status2 = 0;
635 char *local_name = NULL;
637 cleanup_child_pid = pid;
639 assert(am_sender == 0);
641 set_nonblocking(f_in);
642 set_nonblocking(f_out);
645 io_set_sock_fds(f_in, f_out);
646 setup_protocol(f_out,f_in);
648 if (protocol_version >= 23 && !read_batch)
649 io_start_multiplex_in();
652 keep_dirlinks = 0; /* Must be disabled on the sender. */
653 io_start_buffering_out();
656 if (delete_mode && !delete_excluded)
657 send_exclude_list(f_out);
658 if (remote_filesfrom_file)
662 start_write_batch(f_out);
663 if (!read_batch) /* don't write to pipe */
664 flist = send_file_list(f_out,argc,argv);
666 rprintf(FINFO,"file list sent\n");
668 io_flush(NORMAL_FLUSH);
669 send_files(flist,f_out,f_in);
670 io_flush(FULL_FLUSH);
671 if (protocol_version >= 24) {
672 /* final goodbye message */
677 rprintf(FINFO,"client_run waiting on %d\n", (int) pid);
678 io_flush(FULL_FLUSH);
679 wait_process(pid, &status);
682 io_flush(FULL_FLUSH);
683 exit_cleanup(status);
690 send_exclude_list(f_out);
692 if (filesfrom_fd >= 0) {
693 io_set_filesfrom_fds(filesfrom_fd, f_out);
698 start_write_batch(f_in);
699 flist = recv_file_list(f_in);
700 if (!flist || flist->count == 0) {
701 rprintf(FINFO, "client: nothing to do: "
702 "perhaps you need to specify some filenames or "
703 "the --recursive option?\n");
707 local_name = get_local_name(flist,argv[0]);
709 status2 = do_recv(f_in,f_out,flist,local_name);
713 rprintf(FINFO,"client_run2 waiting on %d\n", (int) pid);
714 io_flush(FULL_FLUSH);
715 wait_process(pid, &status);
718 return MAX(status, status2);
721 static int copy_argv (char *argv[])
725 for (i = 0; argv[i]; i++) {
726 if (!(argv[i] = strdup(argv[i]))) {
727 rprintf (FERROR, "out of memory at %s(%d)\n",
738 * Start a client for either type of remote connection. Work out
739 * whether the arguments request a remote shell or rsyncd connection,
740 * and call the appropriate connection function, then run_client.
742 * Calls either start_socket_client (for sockets) or do_cmd and
743 * client_run (for ssh).
745 static int start_client(int argc, char *argv[])
748 char *shell_machine = NULL;
749 char *shell_path = NULL;
750 char *shell_user = NULL;
756 /* Don't clobber argv[] so that ps(1) can still show the right
758 if ((rc = copy_argv(argv)))
761 /* rsync:// always uses rsync server over direct socket connection */
762 if (strncasecmp(URL_PREFIX, argv[0], strlen(URL_PREFIX)) == 0
766 host = argv[0] + strlen(URL_PREFIX);
767 p = strchr(host,'/');
774 p = strchr(host,':');
776 rsync_port = atoi(p+1);
779 return start_socket_client(host, path, argc-1, argv+1);
782 if (!read_batch) { /* for read_batch, NO source is specified */
783 p = find_colon(argv[0]);
784 if (p) { /* source is remote */
785 if (remote_filesfrom_file
786 && remote_filesfrom_file != files_from + 1
787 && strncmp(files_from, argv[0], p-argv[0]+1) != 0) {
789 "--files-from hostname is not transfer hostname\n");
790 exit_cleanup(RERR_SYNTAX);
792 if (p[1] == ':') { /* double colon */
795 return start_socket_client(argv[0], p+2,
802 if (argc < 1) { /* destination required */
804 exit_cleanup(RERR_SYNTAX);
809 shell_machine = argv[0];
812 } else { /* source is local */
815 /* rsync:// destination uses rsync server over direct socket */
816 if (strncasecmp(URL_PREFIX, argv[argc-1], strlen(URL_PREFIX)) == 0) {
819 host = argv[argc-1] + strlen(URL_PREFIX);
820 p = strchr(host,'/');
827 p = strchr(host,':');
829 rsync_port = atoi(p+1);
832 return start_socket_client(host, path, argc-1, argv);
835 p = find_colon(argv[argc-1]); /* look in dest arg */
836 if (p && remote_filesfrom_file
837 && remote_filesfrom_file != files_from + 1
838 && strncmp(files_from, argv[argc-1], p-argv[argc-1]+1) != 0) {
840 "--files-from hostname is not transfer hostname\n");
841 exit_cleanup(RERR_SYNTAX);
843 if (!p) { /* no colon found, so src & dest are local */
845 if (remote_filesfrom_file) {
847 "--files-from is remote but transfer is local\n");
848 exit_cleanup(RERR_SYNTAX);
850 } else if (p[1] == ':') { /* double colon */
853 return start_socket_client(argv[argc-1], p+2,
862 exit_cleanup(RERR_SYNTAX);
866 shell_machine = NULL;
867 shell_path = argv[argc-1];
870 shell_machine = argv[argc-1];
875 } else { /* read_batch */
877 shell_path = argv[argc-1];
878 if (find_colon(shell_path)) {
879 rprintf(FERROR, "remote destination is not allowed with --read-batch\n");
880 exit_cleanup(RERR_SYNTAX);
885 p = strrchr(shell_machine,'@');
888 shell_user = shell_machine;
894 rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n",
895 shell_cmd?shell_cmd:"",
896 shell_machine?shell_machine:"",
897 shell_user?shell_user:"",
898 shell_path?shell_path:"");
901 /* for remote source, only single dest arg can remain ... */
902 if (!am_sender && argc > 1) {
904 exit_cleanup(RERR_SYNTAX);
907 /* ... or no dest at all */
908 if (!am_sender && argc == 0) {
912 pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path,
915 /* if we're running an rsync server on the remote host over a
916 * remote shell command, we need to do the RSYNCD protocol first */
917 if (daemon_over_rsh) {
919 tmpret = start_inband_exchange(shell_user, shell_path,
925 ret = client_run(f_in, f_out, pid, argc, argv);
934 static RETSIGTYPE sigusr1_handler(UNUSED(int val))
936 exit_cleanup(RERR_SIGNAL);
939 static RETSIGTYPE sigusr2_handler(UNUSED(int val))
941 if (log_got_error) _exit(RERR_PARTIAL);
945 static RETSIGTYPE sigchld_handler(UNUSED(int val))
950 /* An empty waitpid() loop was put here by Tridge and we could never
951 * get him to explain why he put it in, so rather than taking it
952 * out we're instead saving the child exit statuses for later use.
953 * The waitpid() loop presumably eliminates all possibility of leaving
954 * zombie children, maybe that's why he did it.
956 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
957 /* save the child's exit status */
958 for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) {
959 if (pid_stat_table[cnt].pid == 0) {
960 pid_stat_table[cnt].pid = pid;
961 pid_stat_table[cnt].status = status;
971 * This routine catches signals and tries to send them to gdb.
973 * Because it's called from inside a signal handler it ought not to
974 * use too many library routines.
976 * @todo Perhaps use "screen -X" instead/as well, to help people
977 * debugging without easy access to X. Perhaps use an environment
978 * variable, or just call a script?
980 * @todo The /proc/ magic probably only works on Linux (and
981 * Solaris?) Can we be more portable?
983 #ifdef MAINTAINER_MODE
984 const char *get_panic_action(void)
986 const char *cmd_fmt = getenv("RSYNC_PANIC_ACTION");
991 return "xterm -display :0 -T Panic -n Panic "
992 "-e gdb /proc/%d/exe %d";
997 * Handle a fatal signal by launching a debugger, controlled by $RSYNC_PANIC_ACTION.
999 * This signal handler is only installed if we were configured with
1000 * --enable-maintainer-mode. Perhaps it should always be on and we
1001 * should just look at the environment variable, but I'm a bit leery
1002 * of a signal sending us into a busy loop.
1004 static RETSIGTYPE rsync_panic_handler(UNUSED(int whatsig))
1009 sprintf(cmd_buf, get_panic_action(),
1010 getpid(), getpid());
1012 /* Unless we failed to execute gdb, we allow the process to
1013 * continue. I'm not sure if that's right. */
1014 ret = system(cmd_buf);
1021 int main(int argc,char *argv[])
1024 int orig_argc = argc;
1025 char **orig_argv = argv;
1027 signal(SIGUSR1, sigusr1_handler);
1028 signal(SIGUSR2, sigusr2_handler);
1029 signal(SIGCHLD, sigchld_handler);
1030 #ifdef MAINTAINER_MODE
1031 signal(SIGSEGV, rsync_panic_handler);
1032 signal(SIGFPE, rsync_panic_handler);
1033 signal(SIGABRT, rsync_panic_handler);
1034 signal(SIGBUS, rsync_panic_handler);
1035 #endif /* def MAINTAINER_MODE */
1037 starttime = time(NULL);
1038 am_root = (MY_UID() == 0);
1040 memset(&stats, 0, sizeof(stats));
1044 exit_cleanup(RERR_SYNTAX);
1047 /* we set a 0 umask so that correct file permissions can be
1049 orig_umask = (int)umask(0);
1051 if (!parse_arguments(&argc, (const char ***) &argv, 1)) {
1052 /* FIXME: We ought to call the same error-handling
1053 * code here, rather than relying on getopt. */
1055 exit_cleanup(RERR_SYNTAX);
1058 signal(SIGINT,SIGNAL_CAST sig_int);
1059 signal(SIGHUP,SIGNAL_CAST sig_int);
1060 signal(SIGTERM,SIGNAL_CAST sig_int);
1062 /* Ignore SIGPIPE; we consistently check error codes and will
1064 signal(SIGPIPE, SIG_IGN);
1066 /* Initialize push_dir here because on some old systems getcwd
1067 * (implemented by forking "pwd" and reading its output) doesn't
1068 * work when there are other child processes. Also, on all systems
1069 * that implement getcwd that way "pwd" can't be found after chroot. */
1074 if (write_batch || read_batch) {
1076 write_batch_shell_file(orig_argc, orig_argv, argc);
1078 if (read_batch && strcmp(batch_name, "-") == 0)
1079 batch_fd = STDIN_FILENO;
1081 batch_fd = do_open(batch_name,
1082 write_batch ? O_WRONLY | O_CREAT | O_TRUNC
1083 : O_RDONLY, S_IRUSR | S_IWUSR);
1086 rsyserr(FERROR, errno, "Batch file %s open error",
1088 exit_cleanup(RERR_FILEIO);
1091 read_stream_flags(batch_fd);
1094 if (am_daemon && !am_server)
1095 return daemon_main();
1099 exit_cleanup(RERR_SYNTAX);
1103 verbose = MAX(verbose,1);
1106 set_nonblocking(STDIN_FILENO);
1107 set_nonblocking(STDOUT_FILENO);
1109 return start_daemon(STDIN_FILENO, STDOUT_FILENO);
1110 start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv);
1113 ret = start_client(argc, argv);
1115 exit_cleanup(RERR_STARTCLIENT);