-/* -*- c-file-style: "linux" -*-
+/*
+ * Routines used to setup various kinds of inter-process pipes.
*
- * Copyright (C) 1996-2000 by Andrew Tridgell
- * Copyright (C) Paul Mackerras 1996
- * Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org>
+ * Copyright (C) 1996-2000 Andrew Tridgell
+ * Copyright (C) 1996 Paul Mackerras
+ * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
+ * Copyright (C) 2004-2018 Wayne Davison
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, visit the http://fsf.org website.
*/
#include "rsync.h"
extern int am_sender;
extern int am_server;
extern int blocking_io;
-extern int orig_umask;
-extern int write_batch;
extern int filesfrom_fd;
+extern int munge_symlinks;
+extern char *logfile_name;
+extern int remote_option_cnt;
+extern const char **remote_options;
+extern struct chmod_mode_struct *chmod_modes;
/**
- * Create a child connected to use on stdin/stdout.
+ * Create a child connected to us via its stdin/stdout.
*
* This is derived from CVS code
*
int to_child_pipe[2];
int from_child_pipe[2];
- if (verbose >= 2) {
- print_child_argv(command);
- }
+ if (DEBUG_GTE(CMD, 1))
+ print_child_argv("opening connection using:", command);
if (fd_pair(to_child_pipe) < 0 || fd_pair(from_child_pipe) < 0) {
rsyserr(FERROR, errno, "pipe");
close(to_child_pipe[0]);
if (from_child_pipe[1] != STDOUT_FILENO)
close(from_child_pipe[1]);
- umask(orig_umask);
set_blocking(STDIN_FILENO);
if (blocking_io > 0)
set_blocking(STDOUT_FILENO);
return pid;
}
-/*
- * This function forks a child which calls child_main(). First,
+/* This function forks a child which calls child_main(). First,
* however, it has to establish communication paths to and from the
* newborn child. It creates two socket pairs -- one for writing to
* the child (from the parent) and one for reading from the child
* two socket ends are retained for reading and writing. In the
* child, the STDIN and STDOUT file descriptors refer to these
* sockets. In the parent, the function arguments f_in and f_out are
- * set to refer to these sockets.
- */
+ * set to refer to these sockets. */
pid_t local_child(int argc, char **argv, int *f_in, int *f_out,
int (*child_main)(int, char*[]))
{
int to_child_pipe[2];
int from_child_pipe[2];
+ /* The parent process is always the sender for a local rsync. */
+ assert(am_sender);
+
if (fd_pair(to_child_pipe) < 0 ||
fd_pair(from_child_pipe) < 0) {
rsyserr(FERROR, errno, "pipe");
exit_cleanup(RERR_IPC);
}
- /* For read-batch, don't even fork. */
pid = do_fork();
-
if (pid == -1) {
rsyserr(FERROR, errno, "fork");
exit_cleanup(RERR_IPC);
}
if (pid == 0) {
- am_sender = !am_sender;
+ am_sender = 0;
am_server = 1;
+ filesfrom_fd = -1;
+ munge_symlinks = 0; /* Each side needs its own option. */
+ chmod_modes = NULL; /* Let the sending side handle this. */
- /* The server side never writes the batch, even if it
- * is local (it makes the logic easier elsewhere). */
- write_batch = 0;
+ /* Let the client side handle this. */
+ if (logfile_name) {
+ logfile_name = NULL;
+ logfile_close();
+ }
- if (!am_sender)
- filesfrom_fd = -1;
+ if (remote_option_cnt) {
+ int rc = remote_option_cnt + 1;
+ const char **rv = remote_options;
+ if (!parse_arguments(&rc, &rv)) {
+ option_error();
+ exit_cleanup(RERR_SYNTAX);
+ }
+ }
if (dup2(to_child_pipe[0], STDIN_FILENO) < 0 ||
close(to_child_pipe[1]) < 0 ||
close(to_child_pipe[0]);
if (from_child_pipe[1] != STDOUT_FILENO)
close(from_child_pipe[1]);
+#ifdef ICONV_CONST
+ setup_iconv();
+#endif
child_main(argc, argv);
}
- if (!am_sender)
- filesfrom_fd = -1;
-
if (close(from_child_pipe[1]) < 0 ||
close(to_child_pipe[0]) < 0) {
rsyserr(FERROR, errno, "Failed to close");