Added the --remote-option=OPT (-M OPT) option.

[rsync/rsync.git] / options.c

diff --git a/options.c b/options.c
index 0ac5bfd..a79c553 100644 (file)
--- a/options.c
+++ b/options.c
@@ -174,6 +174,10 @@ int link_dest = 0;
 int basis_dir_cnt = 0;
 char *dest_option = NULL;
 
+static int remote_option_alloc = 0;
+int remote_option_cnt = 0;
+const char **remote_options = NULL;
+
 int verbose = 0;
 int quiet = 0;
 int output_motd = 1;
@@ -387,6 +391,7 @@ void usage(enum logcode F)
   rprintf(F,"     --timeout=SECONDS       set I/O timeout in seconds\n");
   rprintf(F,"     --contimeout=SECONDS    set daemon connection timeout in seconds\n");
   rprintf(F," -I, --ignore-times          don't skip files that match in size and mod-time\n");
+  rprintf(F," -M, --remote-option=OPTION  send OPTION to the remote side only\n");
   rprintf(F,"     --size-only             skip files that match in size\n");
   rprintf(F,"     --modify-window=NUM     compare mod-times with reduced accuracy\n");
   rprintf(F," -T, --temp-dir=DIR          create temporary files in directory DIR\n");
@@ -645,6 +650,7 @@ static struct poptOption long_options[] = {
   {"password-file",    0,  POPT_ARG_STRING, &password_file, 0, 0, 0 },
   {"blocking-io",      0,  POPT_ARG_VAL,    &blocking_io, 1, 0, 0 },
   {"no-blocking-io",   0,  POPT_ARG_VAL,    &blocking_io, 0, 0, 0 },
+  {"remote-option",   'M', POPT_ARG_STRING, 0, 'M', 0, 0 },
   {"protocol",         0,  POPT_ARG_INT,    &protocol_version, 0, 0, 0 },
   {"checksum-seed",    0,  POPT_ARG_INT,    &checksum_seed, 0, 0, 0 },
   {"server",           0,  POPT_ARG_NONE,   0, OPT_SERVER, 0, 0 },
@@ -1140,6 +1146,26 @@ int parse_arguments(int *argc_p, const char ***argv_p)
                        }
                        break;
 
+               case 'M':
+                       arg = poptGetOptArg(pc);
+                       if (*arg != '-') {
+                               snprintf(err_buf, sizeof err_buf,
+                                       "Remote option must start with a dash: %s\n", arg);
+                               return 0;
+                       }
+                       if (remote_option_cnt+2 >= remote_option_alloc) {
+                               remote_option_alloc += 16;
+                               remote_options = realloc_array(remote_options,
+                                                       const char *, remote_option_alloc);
+                               if (!remote_options)
+                                       out_of_memory("parse_arguments");
+                               if (!remote_option_cnt)
+                                       remote_options[0] = "ARG0";
+                       }
+                       remote_options[++remote_option_cnt] = arg;
+                       remote_options[remote_option_cnt+1] = NULL;
+                       break;
+
                case OPT_WRITE_BATCH:
                        /* batch_name is already set */
                        write_batch = 1;
@@ -1830,6 +1856,11 @@ void server_options(char **args, int *argc_p)
 #endif
        argstr[x] = '\0';
 
+       if (x > (int)sizeof argstr) { /* Not possible... */
+               rprintf(FERROR, "argstr overflow in server_options().\n");
+               exit_cleanup(RERR_MALLOC);
+       }
+
        args[ac++] = argstr;
 
 #ifdef ICONV_OPTION
@@ -2052,6 +2083,21 @@ void server_options(char **args, int *argc_p)
        else if (remove_source_files)
                args[ac++] = "--remove-sent-files";
 
+       if (ac > MAX_SERVER_ARGS) { /* Not possible... */
+               rprintf(FERROR, "argc overflow in server_options().\n");
+               exit_cleanup(RERR_MALLOC);
+       }
+
+       if (remote_option_cnt) {
+               int j;
+               if (ac + remote_option_cnt > MAX_SERVER_ARGS) {
+                       rprintf(FERROR, "too many remote options specified.\n");
+                       exit_cleanup(RERR_SYNTAX);
+               }
+               for (j = 1; j <= remote_option_cnt; j++)
+                       args[ac++] = (char*)remote_options[j];
+       }
+
        *argc_p = ac;
        return;