rel 3; enhance ipv6 netmask printing

[packages/ebtables.git] / ipv6_netmask_printing_fix.patch

diff --git a/ipv6_netmask_printing_fix.patch b/ipv6_netmask_printing_fix.patch
new file mode 100644 (file)
index 0000000..c96f6ea
--- /dev/null
+++ b/ipv6_netmask_printing_fix.patch
@@ -0,0 +1,54 @@
+diff --git a/extensions/ebt_ip6.c b/extensions/ebt_ip6.c
+index 0465e77..52a8448 100644
+--- a/extensions/ebt_ip6.c
++++ b/extensions/ebt_ip6.c
+@@ -445,14 +445,14 @@ static void print(const struct ebt_u_entry *entry,
+               if (ipinfo->invflags & EBT_IP6_SOURCE)
+                       printf("! ");
+               printf("%s", ebt_ip6_to_numeric(&ipinfo->saddr));
+-              printf("/%s ", ebt_ip6_to_numeric(&ipinfo->smsk));
++              printf("%s ", ebt_ip6_mask_to_string(&ipinfo->smsk));
+       }
+       if (ipinfo->bitmask & EBT_IP6_DEST) {
+               printf("--ip6-dst ");
+               if (ipinfo->invflags & EBT_IP6_DEST)
+                       printf("! ");
+               printf("%s", ebt_ip6_to_numeric(&ipinfo->daddr));
+-              printf("/%s ", ebt_ip6_to_numeric(&ipinfo->dmsk));
++              printf("%s ", ebt_ip6_mask_to_string(&ipinfo->smsk));
+       }
+       if (ipinfo->bitmask & EBT_IP6_TCLASS) {
+               printf("--ip6-tclass ");
+diff --git a/include/ebtables_u.h b/include/ebtables_u.h
+index ab615c1..35a5bcc 100644
+--- a/include/ebtables_u.h
++++ b/include/ebtables_u.h
+@@ -303,6 +303,7 @@ char *ebt_mask_to_dotted(uint32_t mask);
+ void ebt_parse_ip6_address(char *address, struct in6_addr *addr, 
+                                                  struct in6_addr *msk);
+ char *ebt_ip6_to_numeric(const struct in6_addr *addrp);
++char *ebt_ip6_mask_to_string(const struct in6_addr *msk);
+ 
+ 
+ int do_command(int argc, char *argv[], int exec_style,
+diff --git a/useful_functions.c b/useful_functions.c
+index d20b68e..2f73589 100644
+--- a/useful_functions.c
++++ b/useful_functions.c
+@@ -411,3 +411,16 @@ char *ebt_ip6_to_numeric(const struct in6_addr *addrp)
+       static char buf[50+1];
+       return (char *)inet_ntop(AF_INET6, addrp, buf, sizeof(buf));
+ }
++
++char *ebt_ip6_mask_to_string(const struct in6_addr *msk)
++{
++      /* /0000:0000:0000:0000:0000:000.000.000.000
++       * /0000:0000:0000:0000:0000:0000:0000:0000 */
++      static char buf[51+1];
++      if (msk->s6_addr32[0] == 0xFFFFFFFFL && msk->s6_addr32[1] == 0xFFFFFFFFL &&
++                      msk->s6_addr32[2] == 0xFFFFFFFFL && msk->s6_addr32[3] == 0xFFFFFFFFL)
++              *buf = '\0';
++      else
++              sprintf(buf, "/%s", ebt_ip6_to_numeric(msk));
++      return buf;
++}