-/* -*- c-file-style: "linux" -*-
-
- Copyright (C) 1996-2001 by Andrew Tridgell <tridge@samba.org>
- Copyright (C) Paul Mackerras 1996
- Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org>
-
- 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
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- 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.
-*/
+/*
+ * The startup routines, including main(), for rsync.
+ *
+ * Copyright (C) 1996-2001 Andrew Tridgell <tridge@samba.org>
+ * Copyright (C) 1996 Paul Mackerras
+ * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
+ * Copyright (C) 2003, 2004, 2005, 2006 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
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * 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.,
+ * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
+ */
#include "rsync.h"
#if defined CONFIG_LOCALE && defined HAVE_LOCALE_H
extern int protocol_version;
extern int recurse;
extern int relative_paths;
+extern int sanitize_paths;
+extern int curr_dir_depth;
+extern int module_id;
extern int rsync_port;
extern int whole_file;
extern int read_batch;
extern pid_t cleanup_child_pid;
extern struct stats stats;
extern char *filesfrom_host;
+extern char *partial_dir;
+extern char *basis_dir[];
extern char *rsync_path;
extern char *shell_cmd;
extern char *batch_name;
+extern struct filter_list_struct server_filter_list;
int local_server = 0;
mode_t orig_umask = 0;
return;
if (am_daemon) {
- log_exit(0, __FILE__, __LINE__);
if (f == -1 || !am_sender)
return;
}
/* this is the client */
if (f < 0 && !am_sender) /* e.g. when we got an empty file list. */
- ;
+ ;
else if (!am_sender) {
/* Read the first two in opposite order because the meaning of
* read/write swaps when switching from sender to receiver. */
/* The receiving side operates in one of two modes:
*
- * 1. it enters a directory and receives one or more files, placing them
- * according to their names in the file-list.
+ * 1. it receives any number of files into a destination directory,
+ * placing them according to their names in the file-list.
*
* 2. it receives a single file and saves it using the name in the
* destination path instead of its file-list name. This requires a
* it and use mode 1. If there is something other than a directory
* at the destination path, we must be transferring one file
* (anything at the destination will be overwritten). */
- if (do_stat(dest_path, &st) == 0) {
+ if (safe_stat(dest_path, &st) == 0) {
if (S_ISDIR(st.st_mode)) {
+ if (sanitize_paths)
+ die_on_unsafe_path(dest_path, 0);
if (!push_dir(dest_path)) {
rsyserr(FERROR, errno, "push_dir#1 %s failed",
full_fname(dest_path));
}
return NULL;
}
+ if (sanitize_paths && S_ISLNK(st.st_mode))
+ die_on_unsafe_path(dest_path, 0);
if (flist->count > 1) {
rprintf(FERROR,
"ERROR: destination must be a directory when"
" copying more than 1 file\n");
exit_cleanup(RERR_FILESELECT);
}
+ /* Caution: flist->count could be 0! */
+ if (flist->count == 1 && S_ISDIR(flist->files[0]->mode)) {
+ rprintf(FERROR,
+ "ERROR: cannot overwrite non-directory"
+ " with a directory\n");
+ exit_cleanup(RERR_FILESELECT);
+ }
+ } else if (errno != ENOENT) {
+ rsyserr(FERROR, errno, "cannot stat destination %s",
+ full_fname(dest_path));
+ exit_cleanup(RERR_FILESELECT);
}
cp = strrchr(dest_path, '/');
return NULL;
}
+ if (sanitize_paths)
+ die_on_unsafe_path(dest_path, 0);
if (!push_dir(dest_path)) {
rsyserr(FERROR, errno, "push_dir#2 %s failed",
full_fname(dest_path));
dest_path = "/";
*cp = '\0';
+ if (sanitize_paths)
+ die_on_unsafe_path(dest_path, 0);
if (!push_dir(dest_path)) {
rsyserr(FERROR, errno, "push_dir#3 %s failed",
full_fname(dest_path));
return;
}
- if (!relative_paths && !push_dir(dir)) {
- rsyserr(FERROR, errno, "push_dir#3 %s failed",
- full_fname(dir));
- exit_cleanup(RERR_FILESELECT);
+ if (!relative_paths) {
+ if (sanitize_paths)
+ die_on_unsafe_path(dir, 0);
+ if (!push_dir(dir)) {
+ rsyserr(FERROR, errno, "push_dir#3 %s failed",
+ full_fname(dir));
+ exit_cleanup(RERR_FILESELECT);
+ }
}
argc--;
argv++;
if (argc > 0)
local_name = get_local_name(flist,argv[0]);
+ /* Now that we know what our destination directory turned out to be,
+ * we can sanitize the --link-/copy-/compare-dest args correctly. */
+ if (sanitize_paths) {
+ char **dir;
+ for (dir = basis_dir; *dir; dir++) {
+ *dir = sanitize_path(NULL, *dir, NULL, curr_dir_depth, NULL);
+ die_on_unsafe_path(*dir, 0);
+ }
+ if (partial_dir) {
+ partial_dir = sanitize_path(NULL, partial_dir, NULL, curr_dir_depth, NULL);
+ /* A relative path gets this checked at every dir change. */
+ if (*partial_dir == '/')
+ die_on_unsafe_path(partial_dir, 0);
+ }
+ }
+ if (server_filter_list.head) {
+ char **dir;
+ struct filter_list_struct *elp = &server_filter_list;
+
+ for (dir = basis_dir; *dir; dir++) {
+ if (check_filter(elp, *dir, 1) < 0)
+ goto options_rejected;
+ }
+ if (partial_dir && *partial_dir == '/'
+ && check_filter(elp, partial_dir, 1) < 0) {
+ options_rejected:
+ rprintf(FERROR,
+ "Your options have been rejected by the server.\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ }
+
exit_code = do_recv(f_in,f_out,flist,local_name);
exit_cleanup(exit_code);
}