src: recover some obsolete enums and constants not to break backward

This patch partially reverts 76e6042107de23790f0532e3bf3c396cba27e5aa
since it recovers some obsolete enums and constants that are required
to avoid breaking compilation of old versions of the conntrack-tools.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 35 insertions, 1 deletions

diff --git a/include/libnetfilter_conntrack/libnetfilter_conntrack_udp.h b/include/libnetfilter_conntrack/libnetfilter_conntrack_udp.h
index 62ad87b..b788aa4 100644
--- a/include/libnetfilter_conntrack/libnetfilter_conntrack_udp.h
+++ b/include/libnetfilter_conntrack/libnetfilter_conntrack_udp.h
@@ -8,6 +8,40 @@
 #ifndef _LIBNETFILTER_CONNTRACK_UDP_H_
 #define _LIBNETFILTER_CONNTRACK_UDP_H_
 
-#warning "Please, remove libnetfilter_conntrack_udp.h from your includes!"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* WARNING: do not use these flags in your new applications, they are obsolete
+ * and we keep them here to avoid breaking backward compatibility. */
+enum udp_flags {
+	UDP_ORIG_SPORT_BIT = 0,
+	UDP_ORIG_SPORT = (1 << UDP_ORIG_SPORT_BIT),
+
+	UDP_ORIG_DPORT_BIT = 1,
+	UDP_ORIG_DPORT = (1 << UDP_ORIG_DPORT_BIT),
+
+	UDP_REPL_SPORT_BIT = 2,
+	UDP_REPL_SPORT = (1 << UDP_REPL_SPORT_BIT),
+
+	UDP_REPL_DPORT_BIT = 3,
+	UDP_REPL_DPORT = (1 << UDP_REPL_DPORT_BIT),
+
+	UDP_MASK_SPORT_BIT = 4,
+	UDP_MASK_SPORT = (1 << UDP_MASK_SPORT_BIT),
+
+	UDP_MASK_DPORT_BIT = 5,
+	UDP_MASK_DPORT = (1 << UDP_MASK_DPORT_BIT),
+
+	UDP_EXPTUPLE_SPORT_BIT = 6,
+	UDP_EXPTUPLE_SPORT = (1 << UDP_EXPTUPLE_SPORT_BIT),
+
+	UDP_EXPTUPLE_DPORT_BIT = 7,
+	UDP_EXPTUPLE_DPORT = (1 << UDP_EXPTUPLE_DPORT_BIT)
+};
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif