libip6t_NETMAP: Use xtables_ip6mask_to_cidr and get rid of libip6tc dependency
This patch changes the NETMAP target extension (IPv6 side) to use
the xtables_ip6mask_to_cidr available in libxtables.
As a side effect, we get rid of the libip6tc dependency.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
diff --git a/extensions/GNUmakefile.in b/extensions/GNUmakefile.in
index adad4d6..3db6985 100644
--- a/extensions/GNUmakefile.in
+++ b/extensions/GNUmakefile.in
@@ -105,7 +105,6 @@
${AM_VERBOSE_GEN} ln -fs $< $@
# Need the LIBADDs in iptables/Makefile.am too for libxtables_la_LIBADD
-ip6t_NETMAP_LIBADD = ../libiptc/libip6tc.la
xt_RATEEST_LIBADD = -lm
xt_statistic_LIBADD = -lm
diff --git a/extensions/libip6t_NETMAP.c b/extensions/libip6t_NETMAP.c
index d14dece..a4df70e 100644
--- a/extensions/libip6t_NETMAP.c
+++ b/extensions/libip6t_NETMAP.c
@@ -61,7 +61,7 @@
printf("%s", xtables_ip6addr_to_numeric(&a));
for (i = 0; i < 4; i++)
a.s6_addr32[i] = ~(r->min_addr.ip6[i] ^ r->max_addr.ip6[i]);
- bits = ipv6_prefix_length(&a);
+ bits = xtables_ip6mask_to_cidr(&a);
if (bits < 0)
printf("/%s", xtables_ip6addr_to_numeric(&a));
else
diff --git a/include/libiptc/libip6tc.h b/include/libiptc/libip6tc.h
index c656bc4..9aed80a 100644
--- a/include/libiptc/libip6tc.h
+++ b/include/libiptc/libip6tc.h
@@ -154,9 +154,6 @@
/* Translates errno numbers into more human-readable form than strerror. */
const char *ip6tc_strerror(int err);
-/* Return prefix length, or -1 if not contiguous */
-int ipv6_prefix_length(const struct in6_addr *a);
-
extern void dump_entries6(struct xtc_handle *const);
extern const struct xtc_ops ip6tc_ops;
diff --git a/iptables/ip6tables.c b/iptables/ip6tables.c
index 4cfbea3..7d02cc1 100644
--- a/iptables/ip6tables.c
+++ b/iptables/ip6tables.c
@@ -1022,7 +1022,7 @@
const struct in6_addr *mask, int invert)
{
char buf[51];
- int l = ipv6_prefix_length(mask);
+ int l = xtables_ip6mask_to_cidr(mask);
if (l == 0 && !invert)
return;
diff --git a/libiptc/libip6tc.c b/libiptc/libip6tc.c
index 7128e1c..ca01bcb 100644
--- a/libiptc/libip6tc.c
+++ b/libiptc/libip6tc.c
@@ -113,7 +113,7 @@
#define BIT6(a, l) \
((ntohl(a->s6_addr32[(l) / 32]) >> (31 - ((l) & 31))) & 1)
-int
+static int
ipv6_prefix_length(const struct in6_addr *a)
{
int l, i;
