ipv4.hpp: set sockaddr_in::sin_len field on macOS and FreeBSD

This field is presented on respective OSes and is required when interacting with BSD routing socket. For IPv6 we already have the similar code. Signed-off-by: Lev Stipakov <[email protected]>
OpenVPN · Oct 9, 2024 · 7459a2a · 7459a2a
1 parent 1c10d8f
commit 7459a2a
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/openvpn/addr/ipv4.hpp b/openvpn/addr/ipv4.hpp
@@ -105,6 +105,10 @@ class Addr // NOTE: must be union-legal, so default constructor does not initial
         ret.sin_family = AF_INET;
         ret.sin_port = htons(port);
         ret.sin_addr.s_addr = htonl(u.addr);
+#if defined(__APPLE__) || defined(__FreeBSD__)
+        /* macOS and FreeBSD have the sin_len member */
+        ret.sin_len = sizeof(struct sockaddr_in);
+#endif
         return ret;
     }