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-rw-r--r--tools/iptables-test.c58
1 files changed, 53 insertions, 5 deletions
diff --git a/tools/iptables-test.c b/tools/iptables-test.c
index b41e349b..a6780f15 100644
--- a/tools/iptables-test.c
+++ b/tools/iptables-test.c
@@ -896,6 +896,28 @@ static int connman_iptables_delete_rule(struct connman_iptables *table,
return 0;
}
+static int connman_iptables_compare_rule(struct connman_iptables *table,
+ struct ipt_ip *ip, char *chain_name,
+ char *target_name, struct xtables_target *xt_t,
+ struct xtables_match *xt_m,
+ struct xtables_rule_match *xt_rm)
+{
+ struct connman_iptables_entry *entry;
+ GList *found;
+
+ found = find_existing_rule(table, ip, chain_name, target_name,
+ xt_t, xt_m, xt_rm);
+ if (found == NULL)
+ return -EINVAL;
+
+ entry = found->data;
+ if (entry == NULL)
+ return -EINVAL;
+
+ return 0;
+}
+
+
static int connman_iptables_change_policy(struct connman_iptables *table,
char *chain_name, char *policy)
{
@@ -1266,6 +1288,7 @@ err:
static struct option connman_iptables_opts[] = {
{.name = "append", .has_arg = 1, .val = 'A'},
+ {.name = "compare", .has_arg = 1, .val = 'C'},
{.name = "delete", .has_arg = 1, .val = 'D'},
{.name = "flush-chain", .has_arg = 1, .val = 'F'},
{.name = "insert", .has_arg = 1, .val = 'I'},
@@ -1443,7 +1466,7 @@ int main(int argc, char *argv[])
char *table_name, *chain, *new_chain, *match_name, *target_name;
char *delete_chain, *flush_chain, *policy;
int c, in_len, out_len;
- gboolean dump, invert, delete, insert, delete_rule;
+ gboolean dump, invert, delete, insert, delete_rule, compare_rule;
struct in_addr src, dst;
xtables_init_all(&connman_iptables_globals, NFPROTO_IPV4);
@@ -1453,6 +1476,7 @@ int main(int argc, char *argv[])
delete = FALSE;
insert = FALSE;
delete_rule = FALSE;
+ compare_rule = FALSE;
table_name = chain = new_chain = match_name = target_name = NULL;
delete_chain = flush_chain = policy = NULL;
memset(&ip, 0, sizeof(struct ipt_ip));
@@ -1464,19 +1488,29 @@ int main(int argc, char *argv[])
/* extension's options will generate false-positives errors */
opterr = 0;
- while ((c = getopt_long(argc, argv, "-A:D:F:I:L::N:P:X:d:i:j:m:o:s:t:",
+ while ((c = getopt_long(argc, argv,
+ "-A:C:D:F:I:L::N:P:X:d:i:j:m:o:s:t:",
connman_iptables_globals.opts, NULL)) != -1) {
switch (c) {
case 'A':
- /* It is either -A, -D or -I at once */
+ /* It is either -A, -C, -D or -I at once */
+ if (chain)
+ goto out;
+
+ chain = optarg;
+ break;
+
+ case 'C':
+ /* It is either -A, -C, -D or -I at once */
if (chain)
goto out;
chain = optarg;
+ compare_rule = TRUE;
break;
case 'D':
- /* It is either -A, -D or -I at once */
+ /* It is either -A, -C, -D or -I at once */
if (chain)
goto out;
@@ -1489,7 +1523,7 @@ int main(int argc, char *argv[])
break;
case 'I':
- /* It is either -A, -D or -I at once */
+ /* It is either -A, -C, -D or -I at once */
if (chain)
goto out;
@@ -1739,6 +1773,20 @@ int main(int argc, char *argv[])
goto commit;
}
+ if (compare_rule == TRUE) {
+ int ret;
+
+ ret = connman_iptables_compare_rule(table, &ip,
+ chain, target_name, xt_t, xt_m, xt_rm);
+
+ if (ret == 0)
+ printf("Rule exists.\n");
+ else
+ printf("Rule does not exist.\n");
+
+ goto out;
+ }
+
if (delete_rule == TRUE) {
printf("Deleting %s to %s (match %s)\n", target_name,
chain, match_name);