MINOR: tproxy: add support for OpenBSD
OpenBSD uses (SOL_SOCKET, SO_BINDANY) to enable transparent
proxy on a socket.
This patch adds support for the relevant setsockopt() calls.
diff --git a/src/proto_tcp.c b/src/proto_tcp.c
index 0ae359a..5638257 100644
--- a/src/proto_tcp.c
+++ b/src/proto_tcp.c
@@ -142,6 +142,9 @@
#if defined(IP_BINDANY)
|| (setsockopt(fd, IPPROTO_IP, IP_BINDANY, &one, sizeof(one)) == 0)
#endif
+#if defined(SO_BINDANY)
+ || (setsockopt(fd, SOL_SOCKET, SO_BINDANY, &one, sizeof(one)) == 0)
+#endif
)
foreign_ok = 1;
else
@@ -157,6 +160,9 @@
#if defined(IPV6_BINDANY)
|| (setsockopt(fd, IPPROTO_IPV6, IPV6_BINDANY, &one, sizeof(one)) == 0)
#endif
+#if defined(SO_BINDANY)
+ || (setsockopt(fd, SOL_SOCKET, SO_BINDANY, &one, sizeof(one)) == 0)
+#endif
)
foreign_ok = 1;
else
@@ -654,6 +660,9 @@
#if defined(IP_BINDANY)
&& (setsockopt(fd, IPPROTO_IP, IP_BINDANY, &one, sizeof(one)) == -1)
#endif
+#if defined(SO_BINDANY)
+ && (setsockopt(fd, SOL_SOCKET, SO_BINDANY, &one, sizeof(one)) == -1)
+#endif
) {
msg = "cannot make listening socket transparent";
err |= ERR_ALERT;
@@ -667,6 +676,9 @@
#if defined(IPV6_BINDANY)
&& (setsockopt(fd, IPPROTO_IPV6, IPV6_BINDANY, &one, sizeof(one)) == -1)
#endif
+#if defined(SO_BINDANY)
+ && (setsockopt(fd, SOL_SOCKET, SO_BINDANY, &one, sizeof(one)) == -1)
+#endif
) {
msg = "cannot make listening socket transparent";
err |= ERR_ALERT;