If the --partial-dir value is an absolute path and we use a file in
[rsync/rsync.git] / options.c
index 7eb419f..b6eae4e 100644 (file)
--- a/options.c
+++ b/options.c
@@ -1,7 +1,9 @@
-/*  -*- c-file-style: "linux" -*-
+/*
+ * Command-line (and received via daemon-socket) option parsing.
  *
- * Copyright (C) 1998-2001 by Andrew Tridgell <tridge@samba.org>
- * Copyright (C) 2000, 2001, 2002 by Martin Pool <mbp@samba.org>
+ * Copyright (C) 1998-2001 Andrew Tridgell <tridge@samba.org>
+ * Copyright (C) 2000, 2001, 2002 Martin Pool <mbp@samba.org>
+ * Copyright (C) 2002, 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
@@ -13,9 +15,9 @@
  * 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #include "rsync.h"
@@ -58,8 +60,6 @@ int cvs_exclude = 0;
 int dry_run = 0;
 int do_xfers = 1;
 int ignore_times = 0;
-int saw_delete_opt = 0;
-int saw_delete_excluded_opt = 0;
 int delete_mode = 0;
 int delete_during = 0;
 int delete_before = 0;
@@ -311,15 +311,15 @@ void usage(enum logcode F)
   rprintf(F," -B, --block-size=SIZE       force a fixed checksum block-size\n");
   rprintf(F," -e, --rsh=COMMAND           specify the remote shell to use\n");
   rprintf(F,"     --rsync-path=PROGRAM    specify the rsync to run on the remote machine\n");
-  rprintf(F,"     --existing              ignore non-existing files on receiving side\n");
-  rprintf(F,"     --ignore-existing       ignore files that already exist on receiving side\n");
-  rprintf(F,"     --remove-sent-files     sent files/symlinks are removed from sending side\n");
+  rprintf(F,"     --existing              skip creating new files on receiver\n");
+  rprintf(F,"     --ignore-existing       skip updating files that already exist on receiver\n");
+  rprintf(F,"     --remove-sent-files     sender removes successfully sent files (non-dirs)\n");
   rprintf(F,"     --del                   an alias for --delete-during\n");
-  rprintf(F,"     --delete                delete files that don't exist on the sending side\n");
+  rprintf(F,"     --delete                delete extraneous files from destination dirs\n");
   rprintf(F,"     --delete-before         receiver deletes before transfer (default)\n");
   rprintf(F,"     --delete-during         receiver deletes during transfer, not before\n");
   rprintf(F,"     --delete-after          receiver deletes after transfer, not before\n");
-  rprintf(F,"     --delete-excluded       also delete excluded files on the receiving side\n");
+  rprintf(F,"     --delete-excluded       also delete excluded files from destination dirs\n");
   rprintf(F,"     --ignore-errors         delete even if there are I/O errors\n");
   rprintf(F,"     --force                 force deletion of directories even if not empty\n");
   rprintf(F,"     --max-delete=NUM        don't delete more than NUM files\n");
@@ -890,15 +890,20 @@ int parse_arguments(int *argc, const char ***argv, int frommain)
                case OPT_EXCLUDE_FROM:
                case OPT_INCLUDE_FROM:
                        arg = poptGetOptArg(pc);
-                       if (sanitize_paths)
-                               arg = sanitize_path(NULL, arg, NULL, 0);
+                       if (sanitize_paths) {
+                               arg = sanitize_path(NULL, arg, NULL, 0, NULL);
+                               die_on_unsafe_path((char*)arg, 0);
+                       }
                        if (server_filter_list.head) {
-                               char *cp = (char *)arg;
+                               char *cp = strdup(arg);
+                               if (!cp)
+                                       out_of_memory("parse_arguments");
                                if (!*cp)
                                        goto options_rejected;
                                clean_fname(cp, 1);
                                if (check_filter(&server_filter_list, cp, 0) < 0)
                                        goto options_rejected;
+                               free(cp);
                        }
                        parse_filter_file(&filter_list, arg,
                                opt == OPT_INCLUDE_FROM ? MATCHFLG_INCLUDE : 0,
@@ -1022,7 +1027,7 @@ int parse_arguments(int *argc, const char ***argv, int frommain)
                        break;
 
                case OPT_LINK_DEST:
-#ifdef HAVE_LINK
+#ifdef SUPPORT_HARD_LINKS
                        link_dest = 1;
                        dest_option = "--link-dest";
                        goto set_dest_dir;
@@ -1048,10 +1053,9 @@ int parse_arguments(int *argc, const char ***argv, int frommain)
                                        MAX_BASIS_DIRS, dest_option);
                                return 0;
                        }
-                       arg = poptGetOptArg(pc);
-                       if (sanitize_paths)
-                               arg = sanitize_path(NULL, arg, NULL, 0);
-                       basis_dir[basis_dir_cnt++] = (char *)arg;
+                       /* We defer sanitizing this arg until we know what
+                        * our destination directory is going to be. */
+                       basis_dir[basis_dir_cnt++] = (char *)poptGetOptArg(pc);
                        break;
 
                case OPT_CHMOD:
@@ -1178,11 +1182,10 @@ int parse_arguments(int *argc, const char ***argv, int frommain)
                }
                delete_mode = delete_before = 1;
        }
-       saw_delete_opt = delete_mode;
-       saw_delete_excluded_opt = delete_excluded;
-       if (!xfer_dirs) {
-               delete_before = delete_during = delete_after = 0;
-               delete_mode = delete_excluded = 0;
+       if (!xfer_dirs && delete_mode) {
+               snprintf(err_buf, sizeof err_buf,
+                       "--delete does not work without -r or -d.\n");
+               return 0;
        }
 
        if (delete_mode && refused_delete) {
@@ -1207,17 +1210,18 @@ int parse_arguments(int *argc, const char ***argv, int frommain)
        if (sanitize_paths) {
                int i;
                for (i = *argc; i-- > 0; )
-                       (*argv)[i] = sanitize_path(NULL, (*argv)[i], "", 0);
-               if (tmpdir)
-                       tmpdir = sanitize_path(NULL, tmpdir, NULL, 0);
-               if (partial_dir)
-                       partial_dir = sanitize_path(NULL, partial_dir, NULL, 0);
-               if (backup_dir)
-                       backup_dir = sanitize_path(NULL, backup_dir, NULL, 0);
+                       (*argv)[i] = sanitize_path(NULL, (*argv)[i], "", 0, NULL);
+               if (tmpdir) {
+                       tmpdir = sanitize_path(NULL, tmpdir, NULL, 0, NULL);
+                       die_on_unsafe_path(tmpdir, 0);
+               }
+               if (backup_dir) {
+                       backup_dir = sanitize_path(NULL, backup_dir, NULL, 0, NULL);
+                       die_on_unsafe_path(backup_dir, 0);
+               }
        }
        if (server_filter_list.head && !am_sender) {
                struct filter_list_struct *elp = &server_filter_list;
-               int i;
                if (tmpdir) {
                        if (!*tmpdir)
                                goto options_rejected;
@@ -1225,18 +1229,6 @@ int parse_arguments(int *argc, const char ***argv, int frommain)
                        if (check_filter(elp, tmpdir, 1) < 0)
                                goto options_rejected;
                }
-               if (partial_dir && *partial_dir) {
-                       clean_fname(partial_dir, 1);
-                       if (check_filter(elp, partial_dir, 1) < 0)
-                               goto options_rejected;
-               }
-               for (i = 0; i < basis_dir_cnt; i++) {
-                       if (!*basis_dir[i])
-                               goto options_rejected;
-                       clean_fname(basis_dir[i], 1);
-                       if (check_filter(elp, basis_dir[i], 1) < 0)
-                               goto options_rejected;
-               }
                if (backup_dir) {
                        if (!*backup_dir)
                                goto options_rejected;
@@ -1417,7 +1409,7 @@ int parse_arguments(int *argc, const char ***argv, int frommain)
                        }
                } else {
                        if (sanitize_paths)
-                               files_from = sanitize_path(NULL, files_from, NULL, 0);
+                               files_from = sanitize_path(NULL, files_from, NULL, 0, NULL);
                        if (server_filter_list.head) {
                                if (!*files_from)
                                        goto options_rejected;