libxt_TCPOPTSTRIP: Fix musl compatibility

Add missing constants for libxt_TCPOPTSTRIP.c, in case they are not defined.

(Original patch from VoidLinux)

Signed-off-by: Loganaden Velvindron <logan@hackers.mu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/extensions/libxt_TCPOPTSTRIP.c b/extensions/libxt_TCPOPTSTRIP.c
index 6897857317b6cbe2473fa336b25a0caf297c69dc..6ea34892246029508202f498b96e60270a865cd6 100644 (file)
--- a/extensions/libxt_TCPOPTSTRIP.c
+++ b/extensions/libxt_TCPOPTSTRIP.c
@@ -12,6 +12,21 @@
 #ifndef TCPOPT_MD5SIG
 #      define TCPOPT_MD5SIG 19
 #endif
+#ifndef TCPOPT_MAXSEG
+#     define TCPOPT_MAXSEG 2
+#endif
+#ifndef TCPOPT_WINDOW
+#     define TCPOPT_WINDOW 3
+#endif
+#ifndef TCPOPT_SACK_PERMITTED
+#     define TCPOPT_SACK_PERMITTED 4
+#endif
+#ifndef TCPOPT_SACK
+#     define TCPOPT_SACK 5
+#endif
+#ifndef TCPOPT_TIMESTAMP
+#     define TCPOPT_TIMESTAMP 8
+#endif
 
 enum {
        O_STRIP_OPTION = 0,