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-rw-r--r--ebtables-restore.c29
1 files changed, 25 insertions, 4 deletions
diff --git a/ebtables-restore.c b/ebtables-restore.c
index ea02960..bb4d0cf 100644
--- a/ebtables-restore.c
+++ b/ebtables-restore.c
@@ -22,13 +22,25 @@
#include <string.h>
#include <errno.h>
#include <unistd.h>
+#include <getopt.h>
#include "include/ebtables_u.h"
+static const struct option options[] = {
+ {.name = "noflush", .has_arg = 0, .val = 'n'},
+ { 0 }
+};
+
static struct ebt_u_replace replace[3];
void ebt_early_init_once();
#define OPT_KERNELDATA 0x800 /* Also defined in ebtables.c */
+static void print_usage()
+{
+ fprintf(stderr, "Usage: ebtables-restore [ --noflush ]\n");
+ exit(1);
+}
+
static void copy_table_names()
{
strcpy(replace[0].name, "filter");
@@ -41,11 +53,20 @@ static void copy_table_names()
int main(int argc_, char *argv_[])
{
char *argv[EBTD_ARGC_MAX], cmdline[EBTD_CMDLINE_MAXLN];
- int i, offset, quotemode = 0, argc, table_nr = -1, line = 0, whitespace;
+ int i, offset, quotemode = 0, argc, table_nr = -1, line = 0, whitespace, c, flush = 1;
char ebtables_str[] = "ebtables";
- if (argc_ != 1)
- ebtrest_print_error("options are not supported");
+ while ((c = getopt_long(argc_, argv_, "n", options, NULL)) != -1) {
+ switch(c) {
+ case 'n':
+ flush = 0;
+ break;
+ default:
+ print_usage();
+ break;
+ }
+ }
+
ebt_silent = 0;
copy_table_names();
ebt_early_init_once();
@@ -68,7 +89,7 @@ int main(int argc_, char *argv_[])
ebtrest_print_error("table '%s' was not recognized", cmdline+1);
table_nr = i;
replace[table_nr].command = 11;
- ebt_get_kernel_table(&replace[table_nr], 1);
+ ebt_get_kernel_table(&replace[table_nr], flush);
replace[table_nr].command = 0;
replace[table_nr].flags = OPT_KERNELDATA; /* Prevent do_command from initialising replace */
continue;