Enhanced the option-parsing failure mode to handle the situation

[rsync/rsync.git] / clientserver.c

diff --git a/clientserver.c b/clientserver.c
index fba0d21..0ed0514 100644 (file)
--- a/clientserver.c
+++ b/clientserver.c
@@ -34,7 +34,7 @@ extern int am_server;
 extern int am_daemon;
 extern int am_root;
 extern int rsync_port;
-extern int kludge_around_eof;
+extern int kluge_around_eof;
 extern int daemon_over_rsh;
 extern int sanitize_paths;
 extern int filesfrom_fd;
@@ -171,7 +171,7 @@ int start_inband_exchange(char *user, char *path, int f_in, int f_out,
 
        /* Old servers may just drop the connection here,
         rather than sending a proper EXIT command.  Yuck. */
-       kludge_around_eof = list_only && (protocol_version < 25);
+       kluge_around_eof = list_only && protocol_version < 25 ? 1 : 0;
 
        while (1) {
                if (!read_line(f_in, line, sizeof line - 1)) {
@@ -204,7 +204,7 @@ int start_inband_exchange(char *user, char *path, int f_in, int f_out,
                        rprintf(FINFO,"%s\n", line);
                }
        }
-       kludge_around_eof = False;
+       kluge_around_eof = 0;
 
        for (i = 0; i < sargc; i++) {
                io_printf(f_out, "%s\n", sargs[i]);
@@ -498,8 +498,24 @@ static int rsync_module(int f_in, int f_out, int i)
                 * get the error back to the client.  This means getting
                 * the protocol setup finished first in later versions. */
                setup_protocol(f_out, f_in);
-               if (files_from && !am_sender && strcmp(files_from, "-") != 0)
-                       write_byte(f_out, 0);
+               if (!am_sender) {
+                       /* Since we failed in our option parsing, we may not
+                        * have finished parsing that the client sent us a
+                        * --files-from option, so look for it manually.
+                        * Without this, the socket would be in the wrong
+                        * state for the upcoming error message. */
+                       if (!files_from) {
+                               int i;
+                               for (i = 0; i < argc; i++) {
+                                       if (strncmp(argv[i], "--files-from", 12) == 0) {
+                                               files_from = "";
+                                               break;
+                                       }
+                               }
+                       }
+                       if (files_from)
+                               write_byte(f_out, 0);
+               }
                io_start_multiplex_out();
        }