1 files changed, 42 insertions, 0 deletions
diff --git a/src/test/test-firewall-util.c b/src/test/test-firewall-util.c
new file mode 100644
index 0000000..64616e4
--- /dev/null
+++ b/src/test/test-firewall-util.c
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "firewall-util.h"
+#include "log.h"
+#include "tests.h"
+
+#define MAKE_IN_ADDR_UNION(a,b,c,d) (union in_addr_union) { .in.s_addr = htobe32((uint32_t) (a) << 24 | (uint32_t) (b) << 16 | (uint32_t) (c) << 8 | (uint32_t) (d))}
+
+int main(int argc, char *argv[]) {
+        int r;
+        test_setup_logging(LOG_DEBUG);
+
+        r = fw_add_masquerade(true, AF_INET, 0, NULL, 0, "foobar", NULL, 0);
+        if (r < 0)
+                log_error_errno(r, "Failed to modify firewall: %m");
+
+        r = fw_add_masquerade(true, AF_INET, 0, NULL, 0, "foobar", NULL, 0);
+        if (r < 0)
+                log_error_errno(r, "Failed to modify firewall: %m");
+
+        r = fw_add_masquerade(false, AF_INET, 0, NULL, 0, "foobar", NULL, 0);
+        if (r < 0)
+                log_error_errno(r, "Failed to modify firewall: %m");
+
+        r = fw_add_local_dnat(true, AF_INET, IPPROTO_TCP, NULL, NULL, 0, NULL, 0, 4711, &MAKE_IN_ADDR_UNION(1, 2, 3, 4), 815, NULL);
+        if (r < 0)
+                log_error_errno(r, "Failed to modify firewall: %m");
+
+        r = fw_add_local_dnat(true, AF_INET, IPPROTO_TCP, NULL, NULL, 0, NULL, 0, 4711, &MAKE_IN_ADDR_UNION(1, 2, 3, 4), 815, NULL);
+        if (r < 0)
+                log_error_errno(r, "Failed to modify firewall: %m");
+
+        r = fw_add_local_dnat(true, AF_INET, IPPROTO_TCP, NULL, NULL, 0, NULL, 0, 4711, &MAKE_IN_ADDR_UNION(1, 2, 3, 5), 815, &MAKE_IN_ADDR_UNION(1, 2, 3, 4));
+        if (r < 0)
+                log_error_errno(r, "Failed to modify firewall: %m");
+
+        r = fw_add_local_dnat(false, AF_INET, IPPROTO_TCP, NULL, NULL, 0, NULL, 0, 4711, &MAKE_IN_ADDR_UNION(1, 2, 3, 5), 815, NULL);
+        if (r < 0)
+                log_error_errno(r, "Failed to modify firewall: %m");
+
+        return 0;
+}