libxtables: prefix/order - program_name

Split XTABLES_VERSION into xtables and iptables, and encode the
xtables soversion into the extensions instead. This makes it possible
to upgrade iptables without having to recompile 3rd-party extensions
(if the libxtables version matches, of course).

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>

1 files changed, 41 insertions, 0 deletions

diff --git a/include/xtables/internal.h.in b/include/xtables/internal.h.in
new file mode 100644
index 00000000..21438290
--- /dev/null
+++ b/include/xtables/internal.h.in
@@ -0,0 +1,41 @@
+#ifndef _XTABLES_INTERNAL_H
+#define _XTABLES_INTERNAL_H 1
+
+#define IPTABLES_VERSION "@PACKAGE_VERSION@"
+
+#ifndef XT_LIB_DIR
+#	define XT_LIB_DIR "/usr/local/lib/iptables"
+#endif
+
+/* protocol family dependent informations */
+struct afinfo {
+	/* protocol family */
+	int family;
+
+	/* prefix of library name (ex "libipt_" */
+	char *libprefix;
+
+	/* used by setsockopt (ex IPPROTO_IP */
+	int ipproto;
+
+	/* kernel module (ex "ip_tables" */
+	char *kmod;
+
+	/* optname to check revision support of match */
+	int so_rev_match;
+
+	/* optname to check revision support of match */
+	int so_rev_target;
+};
+
+/* This is decleared in ip[6]tables.c */
+extern struct afinfo afinfo;
+
+/**
+ * Program's own name and version.
+ */
+extern const char *program_name, *program_version;
+
+extern void _init(void);
+
+#endif /* _XTABLES_INTERNAL_H */