diff options
Diffstat (limited to 'lib/prefix.c')
| -rw-r--r-- | lib/prefix.c | 1829 |
1 files changed, 1013 insertions, 816 deletions
diff --git a/lib/prefix.c b/lib/prefix.c index 0cc759bb7c..1a36cf288a 100644 --- a/lib/prefix.c +++ b/lib/prefix.c @@ -17,7 +17,7 @@ * You should have received a copy of the GNU General Public License * along with GNU Zebra; see the file COPYING. If not, write to the Free * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. + * 02111-1307, USA. */ #include <zebra.h> @@ -32,140 +32,395 @@ DEFINE_MTYPE_STATIC(LIB, PREFIX, "Prefix") /* Maskbit. */ static const u_char maskbit[] = {0x00, 0x80, 0xc0, 0xe0, 0xf0, - 0xf8, 0xfc, 0xfe, 0xff}; - -static const struct in6_addr maskbytes6[] = -{ - /* /0 */ { { { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /1 */ { { { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /2 */ { { { 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /3 */ { { { 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /4 */ { { { 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /5 */ { { { 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /6 */ { { { 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /7 */ { { { 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /8 */ { { { 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /9 */ { { { 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /10 */ { { { 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /11 */ { { { 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /12 */ { { { 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /13 */ { { { 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /14 */ { { { 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /15 */ { { { 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /16 */ { { { 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /17 */ { { { 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /18 */ { { { 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /19 */ { { { 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /20 */ { { { 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /21 */ { { { 0xff, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /22 */ { { { 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /23 */ { { { 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /24 */ { { { 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /25 */ { { { 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /26 */ { { { 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /27 */ { { { 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /28 */ { { { 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /29 */ { { { 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /30 */ { { { 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /31 */ { { { 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /32 */ { { { 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /33 */ { { { 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /34 */ { { { 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /35 */ { { { 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /36 */ { { { 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /37 */ { { { 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /38 */ { { { 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /39 */ { { { 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /40 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /41 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /42 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /43 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /44 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /45 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /46 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /47 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /48 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /49 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /50 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /51 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /52 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /53 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /54 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /55 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /56 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /57 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /58 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /59 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /60 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /61 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /62 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /63 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /64 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /65 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /66 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /67 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /68 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /69 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /70 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /71 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /72 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /73 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /74 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /75 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /76 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /77 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /78 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /79 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /80 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /81 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /82 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /83 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /84 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /85 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /86 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /87 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /88 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, - /* /89 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00 } } }, - /* /90 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00 } } }, - /* /91 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00 } } }, - /* /92 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00 } } }, - /* /93 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00 } } }, - /* /94 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00 } } }, - /* /95 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00 } } }, - /* /96 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 } } }, - /* /97 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00 } } }, - /* /98 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00 } } }, - /* /99 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00 } } }, - /* /100 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00 } } }, - /* /101 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x00 } } }, - /* /102 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00 } } }, - /* /103 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00 } } }, - /* /104 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00 } } }, - /* /105 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00 } } }, - /* /106 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00 } } }, - /* /107 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00 } } }, - /* /108 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00 } } }, - /* /109 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00 } } }, - /* /110 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00 } } }, - /* /111 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00 } } }, - /* /112 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00 } } }, - /* /113 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00 } } }, - /* /114 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00 } } }, - /* /115 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00 } } }, - /* /116 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00 } } }, - /* /117 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00 } } }, - /* /118 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00 } } }, - /* /119 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00 } } }, - /* /120 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 } } }, - /* /121 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80 } } }, - /* /122 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0 } } }, - /* /123 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0 } } }, - /* /124 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0 } } }, - /* /125 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8 } } }, - /* /126 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc } } }, - /* /127 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe } } }, - /* /128 */ { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } } } -}; + 0xf8, 0xfc, 0xfe, 0xff}; + +static const struct in6_addr maskbytes6[] = { + /* /0 */ {{{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /1 */ + {{{0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /2 */ + {{{0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /3 */ + {{{0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /4 */ + {{{0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /5 */ + {{{0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /6 */ + {{{0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /7 */ + {{{0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /8 */ + {{{0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /9 */ + {{{0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /10 */ + {{{0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /11 */ + {{{0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /12 */ + {{{0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /13 */ + {{{0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /14 */ + {{{0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /15 */ + {{{0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /16 */ + {{{0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /17 */ + {{{0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /18 */ + {{{0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /19 */ + {{{0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /20 */ + {{{0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /21 */ + {{{0xff, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /22 */ + {{{0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /23 */ + {{{0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /24 */ + {{{0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /25 */ + {{{0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /26 */ + {{{0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /27 */ + {{{0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /28 */ + {{{0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /29 */ + {{{0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /30 */ + {{{0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /31 */ + {{{0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /32 */ + {{{0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /33 */ + {{{0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /34 */ + {{{0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /35 */ + {{{0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /36 */ + {{{0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /37 */ + {{{0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /38 */ + {{{0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /39 */ + {{{0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /40 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /41 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /42 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /43 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /44 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /45 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /46 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /47 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /48 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /49 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /50 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /51 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /52 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /53 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /54 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /55 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /56 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /57 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /58 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /59 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /60 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /61 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /62 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /63 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /64 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /65 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /66 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /67 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /68 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /69 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /70 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /71 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /72 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /73 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /74 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /75 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /76 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /77 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /78 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /79 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /80 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /81 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /82 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /83 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /84 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /85 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /86 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /87 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /88 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* /89 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x80, 0x00, 0x00, 0x00, 0x00}}}, + /* /90 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xc0, 0x00, 0x00, 0x00, 0x00}}}, + /* /91 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xe0, 0x00, 0x00, 0x00, 0x00}}}, + /* /92 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xf0, 0x00, 0x00, 0x00, 0x00}}}, + /* /93 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xf8, 0x00, 0x00, 0x00, 0x00}}}, + /* /94 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xfc, 0x00, 0x00, 0x00, 0x00}}}, + /* /95 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xfe, 0x00, 0x00, 0x00, 0x00}}}, + /* /96 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0x00, 0x00, 0x00, 0x00}}}, + /* /97 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0x80, 0x00, 0x00, 0x00}}}, + /* /98 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xc0, 0x00, 0x00, 0x00}}}, + /* /99 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xe0, 0x00, 0x00, 0x00}}}, + /* /100 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xf0, 0x00, 0x00, 0x00}}}, + /* /101 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xf8, 0x00, 0x00, 0x00}}}, + /* /102 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xfc, 0x00, 0x00, 0x00}}}, + /* /103 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xfe, 0x00, 0x00, 0x00}}}, + /* /104 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0x00, 0x00, 0x00}}}, + /* /105 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0x80, 0x00, 0x00}}}, + /* /106 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xc0, 0x00, 0x00}}}, + /* /107 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xe0, 0x00, 0x00}}}, + /* /108 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xf0, 0x00, 0x00}}}, + /* /109 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xf8, 0x00, 0x00}}}, + /* /110 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xfc, 0x00, 0x00}}}, + /* /111 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xfe, 0x00, 0x00}}}, + /* /112 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0x00, 0x00}}}, + /* /113 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0x80, 0x00}}}, + /* /114 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xc0, 0x00}}}, + /* /115 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xe0, 0x00}}}, + /* /116 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xf0, 0x00}}}, + /* /117 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xf8, 0x00}}}, + /* /118 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xfc, 0x00}}}, + /* /119 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xfe, 0x00}}}, + /* /120 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0x00}}}, + /* /121 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0x80}}}, + /* /122 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xc0}}}, + /* /123 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xe0}}}, + /* /124 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xf0}}}, + /* /125 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xf8}}}, + /* /126 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xfc}}}, + /* /127 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xfe}}}, + /* /128 */ + {{{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff}}}}; /* Number of bits in prefix type. */ #ifndef PNBBY @@ -174,151 +429,139 @@ static const struct in6_addr maskbytes6[] = #define MASKBIT(offset) ((0xff << (PNBBY - (offset))) & 0xff) -unsigned int -prefix_bit (const u_char *prefix, const u_char prefixlen) +unsigned int prefix_bit(const u_char *prefix, const u_char prefixlen) { - unsigned int offset = prefixlen / 8; - unsigned int shift = 7 - (prefixlen % 8); - - return (prefix[offset] >> shift) & 1; + unsigned int offset = prefixlen / 8; + unsigned int shift = 7 - (prefixlen % 8); + + return (prefix[offset] >> shift) & 1; } -unsigned int -prefix6_bit (const struct in6_addr *prefix, const u_char prefixlen) +unsigned int prefix6_bit(const struct in6_addr *prefix, const u_char prefixlen) { - return prefix_bit((const u_char *) &prefix->s6_addr, prefixlen); + return prefix_bit((const u_char *)&prefix->s6_addr, prefixlen); } -int -str2family(const char *string) +int str2family(const char *string) { - if (!strcmp("ipv4", string)) - return AF_INET; - else if (!strcmp("ipv6", string)) - return AF_INET6; - else if (!strcmp("ethernet", string)) - return AF_ETHERNET; - return -1; + if (!strcmp("ipv4", string)) + return AF_INET; + else if (!strcmp("ipv6", string)) + return AF_INET6; + else if (!strcmp("ethernet", string)) + return AF_ETHERNET; + return -1; } /* Address Famiy Identifier to Address Family converter. */ -int -afi2family (afi_t afi) +int afi2family(afi_t afi) { - if (afi == AFI_IP) - return AF_INET; - else if (afi == AFI_IP6) - return AF_INET6; - else if (afi == AFI_L2VPN) - return AF_ETHERNET; - return 0; + if (afi == AFI_IP) + return AF_INET; + else if (afi == AFI_IP6) + return AF_INET6; + else if (afi == AFI_L2VPN) + return AF_ETHERNET; + return 0; } -afi_t -family2afi (int family) +afi_t family2afi(int family) { - if (family == AF_INET) - return AFI_IP; - else if (family == AF_INET6) - return AFI_IP6; - else if (family == AF_ETHERNET) - return AFI_L2VPN; - return 0; + if (family == AF_INET) + return AFI_IP; + else if (family == AF_INET6) + return AFI_IP6; + else if (family == AF_ETHERNET) + return AFI_L2VPN; + return 0; } -const char * -afi2str(afi_t afi) +const char *afi2str(afi_t afi) { - switch (afi) { - case AFI_IP: - return "IPv4"; - case AFI_IP6: - return "IPv6"; - case AFI_L2VPN: - return "l2vpn"; - case AFI_MAX: - return "bad-value"; - default: - break; - } - return NULL; + switch (afi) { + case AFI_IP: + return "IPv4"; + case AFI_IP6: + return "IPv6"; + case AFI_L2VPN: + return "l2vpn"; + case AFI_MAX: + return "bad-value"; + default: + break; + } + return NULL; } -const char * -safi2str(safi_t safi) +const char *safi2str(safi_t safi) { - switch (safi) { - case SAFI_UNICAST: - return "unicast"; - case SAFI_MULTICAST: - return "multicast"; - case SAFI_ENCAP: - return "encap"; - case SAFI_MPLS_VPN: - return "vpn"; - case SAFI_EVPN: - return "evpn"; - } - return NULL; + switch (safi) { + case SAFI_UNICAST: + return "unicast"; + case SAFI_MULTICAST: + return "multicast"; + case SAFI_ENCAP: + return "encap"; + case SAFI_MPLS_VPN: + return "vpn"; + case SAFI_EVPN: + return "evpn"; + } + return NULL; } /* If n includes p prefix then return 1 else return 0. */ -int -prefix_match (const struct prefix *n, const struct prefix *p) +int prefix_match(const struct prefix *n, const struct prefix *p) { - int offset; - int shift; - const u_char *np, *pp; - - /* If n's prefix is longer than p's one return 0. */ - if (n->prefixlen > p->prefixlen) - return 0; - - /* Set both prefix's head pointer. */ - np = (const u_char *)&n->u.prefix; - pp = (const u_char *)&p->u.prefix; - - offset = n->prefixlen / PNBBY; - shift = n->prefixlen % PNBBY; - - if (shift) - if (maskbit[shift] & (np[offset] ^ pp[offset])) - return 0; - - while (offset--) - if (np[offset] != pp[offset]) - return 0; - return 1; + int offset; + int shift; + const u_char *np, *pp; + + /* If n's prefix is longer than p's one return 0. */ + if (n->prefixlen > p->prefixlen) + return 0; + + /* Set both prefix's head pointer. */ + np = (const u_char *)&n->u.prefix; + pp = (const u_char *)&p->u.prefix; + + offset = n->prefixlen / PNBBY; + shift = n->prefixlen % PNBBY; + + if (shift) + if (maskbit[shift] & (np[offset] ^ pp[offset])) + return 0; + + while (offset--) + if (np[offset] != pp[offset]) + return 0; + return 1; } /* Copy prefix from src to dest. */ -void -prefix_copy (struct prefix *dest, const struct prefix *src) +void prefix_copy(struct prefix *dest, const struct prefix *src) { - dest->family = src->family; - dest->prefixlen = src->prefixlen; - - if (src->family == AF_INET) - dest->u.prefix4 = src->u.prefix4; - else if (src->family == AF_INET6) - dest->u.prefix6 = src->u.prefix6; - else if (src->family == AF_ETHERNET) - { - memcpy (&dest->u.prefix_evpn, &src->u.prefix_evpn, sizeof (struct evpn_addr)); - } - else if (src->family == AF_UNSPEC) - { - dest->u.lp.id = src->u.lp.id; - dest->u.lp.adv_router = src->u.lp.adv_router; - } - else - { - zlog_err("prefix_copy(): Unknown address family %d", src->family); - assert (0); - } + dest->family = src->family; + dest->prefixlen = src->prefixlen; + + if (src->family == AF_INET) + dest->u.prefix4 = src->u.prefix4; + else if (src->family == AF_INET6) + dest->u.prefix6 = src->u.prefix6; + else if (src->family == AF_ETHERNET) { + memcpy(&dest->u.prefix_evpn, &src->u.prefix_evpn, + sizeof(struct evpn_addr)); + } else if (src->family == AF_UNSPEC) { + dest->u.lp.id = src->u.lp.id; + dest->u.lp.adv_router = src->u.lp.adv_router; + } else { + zlog_err("prefix_copy(): Unknown address family %d", + src->family); + assert(0); + } } -/* +/* * Return 1 if the address/netmask contained in the prefix structure * is the same, and else return 0. For this routine, 'same' requires * that not only the prefix length and the network part be the same, @@ -326,28 +569,29 @@ prefix_copy (struct prefix *dest, const struct prefix *src) * the same. Note that this routine has the same return value sense * as '==' (which is different from prefix_cmp). */ -int -prefix_same (const struct prefix *p1, const struct prefix *p2) +int prefix_same(const struct prefix *p1, const struct prefix *p2) { - if ((p1 && !p2) || (!p1 && p2)) - return 0; - - if (!p1 && !p2) - return 1; - - if (p1->family == p2->family && p1->prefixlen == p2->prefixlen) - { - if (p1->family == AF_INET) - if (IPV4_ADDR_SAME (&p1->u.prefix4.s_addr, &p2->u.prefix4.s_addr)) - return 1; - if (p1->family == AF_INET6 ) - if (IPV6_ADDR_SAME (&p1->u.prefix6.s6_addr, &p2->u.prefix6.s6_addr)) - return 1; - if (p1->family == AF_ETHERNET ) - if (!memcmp (&p1->u.prefix_evpn, &p2->u.prefix_evpn, sizeof (struct evpn_addr))) - return 1; - } - return 0; + if ((p1 && !p2) || (!p1 && p2)) + return 0; + + if (!p1 && !p2) + return 1; + + if (p1->family == p2->family && p1->prefixlen == p2->prefixlen) { + if (p1->family == AF_INET) + if (IPV4_ADDR_SAME(&p1->u.prefix4.s_addr, + &p2->u.prefix4.s_addr)) + return 1; + if (p1->family == AF_INET6) + if (IPV6_ADDR_SAME(&p1->u.prefix6.s6_addr, + &p2->u.prefix6.s6_addr)) + return 1; + if (p1->family == AF_ETHERNET) + if (!memcmp(&p1->u.prefix_evpn, &p2->u.prefix_evpn, + sizeof(struct evpn_addr))) + return 1; + } + return 0; } /* @@ -360,31 +604,30 @@ prefix_same (const struct prefix *p1, const struct prefix *p2) * this routine has the same return sense as strcmp (which is different * from prefix_same). */ -int -prefix_cmp (const struct prefix *p1, const struct prefix *p2) +int prefix_cmp(const struct prefix *p1, const struct prefix *p2) { - int offset; - int shift; + int offset; + int shift; - /* Set both prefix's head pointer. */ - const u_char *pp1 = (const u_char *)&p1->u.prefix; - const u_char *pp2 = (const u_char *)&p2->u.prefix; + /* Set both prefix's head pointer. */ + const u_char *pp1 = (const u_char *)&p1->u.prefix; + const u_char *pp2 = (const u_char *)&p2->u.prefix; - if (p1->family != p2->family || p1->prefixlen != p2->prefixlen) - return 1; + if (p1->family != p2->family || p1->prefixlen != p2->prefixlen) + return 1; - offset = p1->prefixlen / PNBBY; - shift = p1->prefixlen % PNBBY; + offset = p1->prefixlen / PNBBY; + shift = p1->prefixlen % PNBBY; - if (shift) - if (maskbit[shift] & (pp1[offset] ^ pp2[offset])) - return 1; + if (shift) + if (maskbit[shift] & (pp1[offset] ^ pp2[offset])) + return 1; - while (offset--) - if (pp1[offset] != pp2[offset]) - return 1; + while (offset--) + if (pp1[offset] != pp2[offset]) + return 1; - return 0; + return 0; } /* @@ -393,686 +636,640 @@ prefix_cmp (const struct prefix *p1, const struct prefix *p2) * address families don't match, return -1; otherwise the return value is * in range 0 ... maximum prefix length for the address family. */ -int -prefix_common_bits (const struct prefix *p1, const struct prefix *p2) +int prefix_common_bits(const struct prefix *p1, const struct prefix *p2) { - int pos, bit; - int length = 0; - u_char xor; - - /* Set both prefix's head pointer. */ - const u_char *pp1 = (const u_char *)&p1->u.prefix; - const u_char *pp2 = (const u_char *)&p2->u.prefix; - - if (p1->family == AF_INET) - length = IPV4_MAX_BYTELEN; - if (p1->family == AF_INET6) - length = IPV6_MAX_BYTELEN; - if (p1->family == AF_ETHERNET) - length = 8 * sizeof (struct evpn_addr); - - if (p1->family != p2->family || !length) - return -1; - - for (pos = 0; pos < length; pos++) - if (pp1[pos] != pp2[pos]) - break; - if (pos == length) - return pos * 8; - - xor = pp1[pos] ^ pp2[pos]; - for (bit = 0; bit < 8; bit++) - if (xor & (1 << (7 - bit))) - break; - - return pos * 8 + bit; + int pos, bit; + int length = 0; + u_char xor ; + + /* Set both prefix's head pointer. */ + const u_char *pp1 = (const u_char *)&p1->u.prefix; + const u_char *pp2 = (const u_char *)&p2->u.prefix; + + if (p1->family == AF_INET) + length = IPV4_MAX_BYTELEN; + if (p1->family == AF_INET6) + length = IPV6_MAX_BYTELEN; + if (p1->family == AF_ETHERNET) + length = 8 * sizeof(struct evpn_addr); + + if (p1->family != p2->family || !length) + return -1; + + for (pos = 0; pos < length; pos++) + if (pp1[pos] != pp2[pos]) + break; + if (pos == length) + return pos * 8; + + xor = pp1[pos] ^ pp2[pos]; + for (bit = 0; bit < 8; bit++) + if (xor&(1 << (7 - bit))) + break; + + return pos * 8 + bit; } /* Return prefix family type string. */ -const char * -prefix_family_str (const struct prefix *p) +const char *prefix_family_str(const struct prefix *p) { - if (p->family == AF_INET) - return "inet"; - if (p->family == AF_INET6) - return "inet6"; - if (p->family == AF_ETHERNET) - return "ether"; - return "unspec"; + if (p->family == AF_INET) + return "inet"; + if (p->family == AF_INET6) + return "inet6"; + if (p->family == AF_ETHERNET) + return "ether"; + return "unspec"; } /* Allocate new prefix_ipv4 structure. */ -struct prefix_ipv4 * -prefix_ipv4_new () +struct prefix_ipv4 *prefix_ipv4_new() { - struct prefix_ipv4 *p; - - /* Call prefix_new to allocate a full-size struct prefix to avoid problems - where the struct prefix_ipv4 is cast to struct prefix and unallocated - bytes were being referenced (e.g. in structure assignments). */ - p = (struct prefix_ipv4 *)prefix_new(); - p->family = AF_INET; - return p; + struct prefix_ipv4 *p; + + /* Call prefix_new to allocate a full-size struct prefix to avoid + problems + where the struct prefix_ipv4 is cast to struct prefix and unallocated + bytes were being referenced (e.g. in structure assignments). */ + p = (struct prefix_ipv4 *)prefix_new(); + p->family = AF_INET; + return p; } /* Free prefix_ipv4 structure. */ -void -prefix_ipv4_free (struct prefix_ipv4 *p) +void prefix_ipv4_free(struct prefix_ipv4 *p) { - prefix_free((struct prefix *)p); + prefix_free((struct prefix *)p); } /* When string format is invalid return 0. */ -int -str2prefix_ipv4 (const char *str, struct prefix_ipv4 *p) +int str2prefix_ipv4(const char *str, struct prefix_ipv4 *p) { - int ret; - int plen; - char *pnt; - char *cp; - - /* Find slash inside string. */ - pnt = strchr (str, '/'); - - /* String doesn't contail slash. */ - if (pnt == NULL) - { - /* Convert string to prefix. */ - ret = inet_aton (str, &p->prefix); - if (ret == 0) - return 0; - - /* If address doesn't contain slash we assume it host address. */ - p->family = AF_INET; - p->prefixlen = IPV4_MAX_BITLEN; - - return ret; - } - else - { - cp = XMALLOC (MTYPE_TMP, (pnt - str) + 1); - strncpy (cp, str, pnt - str); - *(cp + (pnt - str)) = '\0'; - ret = inet_aton (cp, &p->prefix); - XFREE (MTYPE_TMP, cp); - - /* Get prefix length. */ - plen = (u_char) atoi (++pnt); - if (plen > IPV4_MAX_PREFIXLEN) - return 0; - - p->family = AF_INET; - p->prefixlen = plen; - } + int ret; + int plen; + char *pnt; + char *cp; + + /* Find slash inside string. */ + pnt = strchr(str, '/'); + + /* String doesn't contail slash. */ + if (pnt == NULL) { + /* Convert string to prefix. */ + ret = inet_aton(str, &p->prefix); + if (ret == 0) + return 0; + + /* If address doesn't contain slash we assume it host address. + */ + p->family = AF_INET; + p->prefixlen = IPV4_MAX_BITLEN; + + return ret; + } else { + cp = XMALLOC(MTYPE_TMP, (pnt - str) + 1); + strncpy(cp, str, pnt - str); + *(cp + (pnt - str)) = '\0'; + ret = inet_aton(cp, &p->prefix); + XFREE(MTYPE_TMP, cp); + + /* Get prefix length. */ + plen = (u_char)atoi(++pnt); + if (plen > IPV4_MAX_PREFIXLEN) + return 0; + + p->family = AF_INET; + p->prefixlen = plen; + } - return ret; + return ret; } /* When string format is invalid return 0. */ -int -str2prefix_eth (const char *str, struct prefix_eth *p) +int str2prefix_eth(const char *str, struct prefix_eth *p) { - int ret = 0; - int plen = 48; - char *pnt; - char *cp = NULL; - const char *str_addr = str; - unsigned int a[6]; - int i; - - /* Find slash inside string. */ - pnt = strchr (str, '/'); - - if (pnt) - { - /* Get prefix length. */ - plen = (u_char) atoi (++pnt); - if (plen > 48) - { - ret = 0; - goto done; + int ret = 0; + int plen = 48; + char *pnt; + char *cp = NULL; + const char *str_addr = str; + unsigned int a[6]; + int i; + + /* Find slash inside string. */ + pnt = strchr(str, '/'); + + if (pnt) { + /* Get prefix length. */ + plen = (u_char)atoi(++pnt); + if (plen > 48) { + ret = 0; + goto done; + } + + cp = XMALLOC(MTYPE_TMP, (pnt - str) + 1); + strncpy(cp, str, pnt - str); + *(cp + (pnt - str)) = '\0'; + + str_addr = cp; } - cp = XMALLOC (MTYPE_TMP, (pnt - str) + 1); - strncpy (cp, str, pnt - str); - *(cp + (pnt - str)) = '\0'; - - str_addr = cp; - } - - /* Convert string to prefix. */ - if (sscanf(str_addr, "%2x:%2x:%2x:%2x:%2x:%2x", - a+0, a+1, a+2, a+3, a+4, a+5) != 6) - { - ret = 0; - goto done; - } - for (i = 0; i < 6; ++i) - { - p->eth_addr.octet[i] = a[i] & 0xff; - } - p->prefixlen = plen; - p->family = AF_ETHERNET; - ret = 1; + /* Convert string to prefix. */ + if (sscanf(str_addr, "%2x:%2x:%2x:%2x:%2x:%2x", a + 0, a + 1, a + 2, + a + 3, a + 4, a + 5) + != 6) { + ret = 0; + goto done; + } + for (i = 0; i < 6; ++i) { + p->eth_addr.octet[i] = a[i] & 0xff; + } + p->prefixlen = plen; + p->family = AF_ETHERNET; + ret = 1; done: - if (cp) - XFREE (MTYPE_TMP, cp); + if (cp) + XFREE(MTYPE_TMP, cp); - return ret; + return ret; } /* Convert masklen into IP address's netmask (network byte order). */ -void -masklen2ip (const int masklen, struct in_addr *netmask) +void masklen2ip(const int masklen, struct in_addr *netmask) { - assert (masklen >= 0 && masklen <= IPV4_MAX_BITLEN); + assert(masklen >= 0 && masklen <= IPV4_MAX_BITLEN); - /* left shift is only defined for less than the size of the type. - * we unconditionally use long long in case the target platform - * has defined behaviour for << 32 (or has a 64-bit left shift) */ + /* left shift is only defined for less than the size of the type. + * we unconditionally use long long in case the target platform + * has defined behaviour for << 32 (or has a 64-bit left shift) */ - if (sizeof(unsigned long long) > 4) - netmask->s_addr = htonl(0xffffffffULL << (32 - masklen)); - else - netmask->s_addr = htonl(masklen ? 0xffffffffU << (32 - masklen) : 0); + if (sizeof(unsigned long long) > 4) + netmask->s_addr = htonl(0xffffffffULL << (32 - masklen)); + else + netmask->s_addr = + htonl(masklen ? 0xffffffffU << (32 - masklen) : 0); } /* Convert IP address's netmask into integer. We assume netmask is sequential one. Argument netmask should be network byte order. */ -u_char -ip_masklen (struct in_addr netmask) +u_char ip_masklen(struct in_addr netmask) { - uint32_t tmp = ~ntohl(netmask.s_addr); - if (tmp) - /* clz: count leading zeroes. sadly, the behaviour of this builtin - * is undefined for a 0 argument, even though most CPUs give 32 */ - return __builtin_clz(tmp); - else - return 32; + uint32_t tmp = ~ntohl(netmask.s_addr); + if (tmp) + /* clz: count leading zeroes. sadly, the behaviour of this + * builtin + * is undefined for a 0 argument, even though most CPUs give 32 + */ + return __builtin_clz(tmp); + else + return 32; } /* Apply mask to IPv4 prefix (network byte order). */ -void -apply_mask_ipv4 (struct prefix_ipv4 *p) +void apply_mask_ipv4(struct prefix_ipv4 *p) { - struct in_addr mask; - masklen2ip(p->prefixlen, &mask); - p->prefix.s_addr &= mask.s_addr; + struct in_addr mask; + masklen2ip(p->prefixlen, &mask); + p->prefix.s_addr &= mask.s_addr; } /* If prefix is 0.0.0.0/0 then return 1 else return 0. */ -int -prefix_ipv4_any (const struct prefix_ipv4 *p) +int prefix_ipv4_any(const struct prefix_ipv4 *p) { - return (p->prefix.s_addr == 0 && p->prefixlen == 0); + return (p->prefix.s_addr == 0 && p->prefixlen == 0); } /* Allocate a new ip version 6 route */ -struct prefix_ipv6 * -prefix_ipv6_new (void) +struct prefix_ipv6 *prefix_ipv6_new(void) { - struct prefix_ipv6 *p; + struct prefix_ipv6 *p; - /* Allocate a full-size struct prefix to avoid problems with structure - size mismatches. */ - p = (struct prefix_ipv6 *)prefix_new(); - p->family = AF_INET6; - return p; + /* Allocate a full-size struct prefix to avoid problems with structure + size mismatches. */ + p = (struct prefix_ipv6 *)prefix_new(); + p->family = AF_INET6; + return p; } /* Free prefix for IPv6. */ -void -prefix_ipv6_free (struct prefix_ipv6 *p) +void prefix_ipv6_free(struct prefix_ipv6 *p) { - prefix_free((struct prefix *)p); + prefix_free((struct prefix *)p); } /* If given string is valid return pin6 else return NULL */ -int -str2prefix_ipv6 (const char *str, struct prefix_ipv6 *p) +int str2prefix_ipv6(const char *str, struct prefix_ipv6 *p) { - char *pnt; - char *cp; - int ret; - - pnt = strchr (str, '/'); - - /* If string doesn't contain `/' treat it as host route. */ - if (pnt == NULL) - { - ret = inet_pton (AF_INET6, str, &p->prefix); - if (ret == 0) - return 0; - p->prefixlen = IPV6_MAX_BITLEN; - } - else - { - int plen; - - cp = XMALLOC (MTYPE_TMP, (pnt - str) + 1); - strncpy (cp, str, pnt - str); - *(cp + (pnt - str)) = '\0'; - ret = inet_pton (AF_INET6, cp, &p->prefix); - XFREE (MTYPE_TMP, cp); - if (ret == 0) - return 0; - plen = (u_char) atoi (++pnt); - if (plen > IPV6_MAX_BITLEN) - return 0; - p->prefixlen = plen; - } - p->family = AF_INET6; + char *pnt; + char *cp; + int ret; + + pnt = strchr(str, '/'); + + /* If string doesn't contain `/' treat it as host route. */ + if (pnt == NULL) { + ret = inet_pton(AF_INET6, str, &p->prefix); + if (ret == 0) + return 0; + p->prefixlen = IPV6_MAX_BITLEN; + } else { + int plen; + + cp = XMALLOC(MTYPE_TMP, (pnt - str) + 1); + strncpy(cp, str, pnt - str); + *(cp + (pnt - str)) = '\0'; + ret = inet_pton(AF_INET6, cp, &p->prefix); + XFREE(MTYPE_TMP, cp); + if (ret == 0) + return 0; + plen = (u_char)atoi(++pnt); + if (plen > IPV6_MAX_BITLEN) + return 0; + p->prefixlen = plen; + } + p->family = AF_INET6; - return ret; + return ret; } /* Convert struct in6_addr netmask into integer. * FIXME return u_char as ip_maskleni() does. */ -int -ip6_masklen (struct in6_addr netmask) +int ip6_masklen(struct in6_addr netmask) { - int len = 0; - unsigned char val; - unsigned char *pnt; - - pnt = (unsigned char *) & netmask; - - while ((*pnt == 0xff) && len < IPV6_MAX_BITLEN) - { - len += 8; - pnt++; - } - - if (len < IPV6_MAX_BITLEN) - { - val = *pnt; - while (val) - { - len++; - val <<= 1; + int len = 0; + unsigned char val; + unsigned char *pnt; + + pnt = (unsigned char *)&netmask; + + while ((*pnt == 0xff) && len < IPV6_MAX_BITLEN) { + len += 8; + pnt++; + } + + if (len < IPV6_MAX_BITLEN) { + val = *pnt; + while (val) { + len++; + val <<= 1; + } } - } - return len; + return len; } -void -masklen2ip6 (const int masklen, struct in6_addr *netmask) +void masklen2ip6(const int masklen, struct in6_addr *netmask) { - assert (masklen >= 0 && masklen <= IPV6_MAX_BITLEN); - memcpy (netmask, maskbytes6 + masklen, sizeof (struct in6_addr)); + assert(masklen >= 0 && masklen <= IPV6_MAX_BITLEN); + memcpy(netmask, maskbytes6 + masklen, sizeof(struct in6_addr)); } -void -apply_mask_ipv6 (struct prefix_ipv6 *p) +void apply_mask_ipv6(struct prefix_ipv6 *p) { - u_char *pnt; - int index; - int offset; + u_char *pnt; + int index; + int offset; - index = p->prefixlen / 8; + index = p->prefixlen / 8; - if (index < 16) - { - pnt = (u_char *) &p->prefix; - offset = p->prefixlen % 8; + if (index < 16) { + pnt = (u_char *)&p->prefix; + offset = p->prefixlen % 8; - pnt[index] &= maskbit[offset]; - index++; + pnt[index] &= maskbit[offset]; + index++; - while (index < 16) - pnt[index++] = 0; - } + while (index < 16) + pnt[index++] = 0; + } } -void -apply_mask (struct prefix *p) +void apply_mask(struct prefix *p) { - switch (p->family) - { - case AF_INET: - apply_mask_ipv4 ((struct prefix_ipv4 *)p); - break; - case AF_INET6: - apply_mask_ipv6 ((struct prefix_ipv6 *)p); - break; - default: - break; - } - return; + switch (p->family) { + case AF_INET: + apply_mask_ipv4((struct prefix_ipv4 *)p); + break; + case AF_INET6: + apply_mask_ipv6((struct prefix_ipv6 *)p); + break; + default: + break; + } + return; } /* Utility function of convert between struct prefix <=> union sockunion. * FIXME This function isn't used anywhere. */ -struct prefix * -sockunion2prefix (const union sockunion *dest, - const union sockunion *mask) +struct prefix *sockunion2prefix(const union sockunion *dest, + const union sockunion *mask) { - if (dest->sa.sa_family == AF_INET) - { - struct prefix_ipv4 *p; - - p = prefix_ipv4_new (); - p->family = AF_INET; - p->prefix = dest->sin.sin_addr; - p->prefixlen = ip_masklen (mask->sin.sin_addr); - return (struct prefix *) p; - } - if (dest->sa.sa_family == AF_INET6) - { - struct prefix_ipv6 *p; - - p = prefix_ipv6_new (); - p->family = AF_INET6; - p->prefixlen = ip6_masklen (mask->sin6.sin6_addr); - memcpy (&p->prefix, &dest->sin6.sin6_addr, sizeof (struct in6_addr)); - return (struct prefix *) p; - } - return NULL; + if (dest->sa.sa_family == AF_INET) { + struct prefix_ipv4 *p; + + p = prefix_ipv4_new(); + p->family = AF_INET; + p->prefix = dest->sin.sin_addr; + p->prefixlen = ip_masklen(mask->sin.sin_addr); + return (struct prefix *)p; + } + if (dest->sa.sa_family == AF_INET6) { + struct prefix_ipv6 *p; + + p = prefix_ipv6_new(); + p->family = AF_INET6; + p->prefixlen = ip6_masklen(mask->sin6.sin6_addr); + memcpy(&p->prefix, &dest->sin6.sin6_addr, + sizeof(struct in6_addr)); + return (struct prefix *)p; + } + return NULL; } /* Utility function of convert between struct prefix <=> union sockunion. */ -struct prefix * -sockunion2hostprefix (const union sockunion *su, struct prefix *prefix) +struct prefix *sockunion2hostprefix(const union sockunion *su, + struct prefix *prefix) { - if (su->sa.sa_family == AF_INET) - { - struct prefix_ipv4 *p; - - p = prefix ? (struct prefix_ipv4 *) prefix : prefix_ipv4_new (); - p->family = AF_INET; - p->prefix = su->sin.sin_addr; - p->prefixlen = IPV4_MAX_BITLEN; - return (struct prefix *) p; - } - if (su->sa.sa_family == AF_INET6) - { - struct prefix_ipv6 *p; - - p = prefix ? (struct prefix_ipv6 *) prefix : prefix_ipv6_new (); - p->family = AF_INET6; - p->prefixlen = IPV6_MAX_BITLEN; - memcpy (&p->prefix, &su->sin6.sin6_addr, sizeof (struct in6_addr)); - return (struct prefix *) p; - } - return NULL; + if (su->sa.sa_family == AF_INET) { + struct prefix_ipv4 *p; + + p = prefix ? (struct prefix_ipv4 *)prefix : prefix_ipv4_new(); + p->family = AF_INET; + p->prefix = su->sin.sin_addr; + p->prefixlen = IPV4_MAX_BITLEN; + return (struct prefix *)p; + } + if (su->sa.sa_family == AF_INET6) { + struct prefix_ipv6 *p; + + p = prefix ? (struct prefix_ipv6 *)prefix : prefix_ipv6_new(); + p->family = AF_INET6; + p->prefixlen = IPV6_MAX_BITLEN; + memcpy(&p->prefix, &su->sin6.sin6_addr, + sizeof(struct in6_addr)); + return (struct prefix *)p; + } + return NULL; } -void -prefix2sockunion (const struct prefix *p, union sockunion *su) +void prefix2sockunion(const struct prefix *p, union sockunion *su) { - memset (su, 0, sizeof (*su)); - - su->sa.sa_family = p->family; - if (p->family == AF_INET) - su->sin.sin_addr = p->u.prefix4; - if (p->family == AF_INET6) - memcpy (&su->sin6.sin6_addr, &p->u.prefix6, sizeof (struct in6_addr)); + memset(su, 0, sizeof(*su)); + + su->sa.sa_family = p->family; + if (p->family == AF_INET) + su->sin.sin_addr = p->u.prefix4; + if (p->family == AF_INET6) + memcpy(&su->sin6.sin6_addr, &p->u.prefix6, + sizeof(struct in6_addr)); } -int -prefix_blen (const struct prefix *p) +int prefix_blen(const struct prefix *p) { - switch (p->family) - { - case AF_INET: - return IPV4_MAX_BYTELEN; - break; - case AF_INET6: - return IPV6_MAX_BYTELEN; - break; - case AF_ETHERNET: - return ETHER_ADDR_LEN; - } - return 0; + switch (p->family) { + case AF_INET: + return IPV4_MAX_BYTELEN; + break; + case AF_INET6: + return IPV6_MAX_BYTELEN; + break; + case AF_ETHERNET: + return ETHER_ADDR_LEN; + } + return 0; } /* Generic function for conversion string to struct prefix. */ -int -str2prefix (const char *str, struct prefix *p) +int str2prefix(const char *str, struct prefix *p) { - int ret; + int ret; - /* First we try to convert string to struct prefix_ipv4. */ - ret = str2prefix_ipv4 (str, (struct prefix_ipv4 *) p); - if (ret) - return ret; + /* First we try to convert string to struct prefix_ipv4. */ + ret = str2prefix_ipv4(str, (struct prefix_ipv4 *)p); + if (ret) + return ret; - /* Next we try to convert string to struct prefix_ipv6. */ - ret = str2prefix_ipv6 (str, (struct prefix_ipv6 *) p); - if (ret) - return ret; + /* Next we try to convert string to struct prefix_ipv6. */ + ret = str2prefix_ipv6(str, (struct prefix_ipv6 *)p); + if (ret) + return ret; - /* Next we try to convert string to struct prefix_eth. */ - ret = str2prefix_eth (str, (struct prefix_eth *) p); - if (ret) - return ret; + /* Next we try to convert string to struct prefix_eth. */ + ret = str2prefix_eth(str, (struct prefix_eth *)p); + if (ret) + return ret; - return 0; + return 0; } -const char * -prefix2str (union prefixconstptr pu, char *str, int size) +const char *prefix2str(union prefixconstptr pu, char *str, int size) { - const struct prefix *p = pu.p; - char buf[PREFIX2STR_BUFFER]; - - switch (p->family) - { - case AF_INET: - case AF_INET6: - snprintf (str, size, "%s/%d", - inet_ntop (p->family, &p->u.prefix, buf, PREFIX2STR_BUFFER), - p->prefixlen); - break; - - case AF_ETHERNET: - if (p->u.prefix_evpn.route_type == 5) - { - u_char family; - family = (p->u.prefix_evpn.flags & (IP_ADDR_V4 | IP_PREFIX_V4)) ? - AF_INET : AF_INET6; - snprintf (str, size, "[%d]:[%u][%s]/%d", - p->u.prefix_evpn.route_type, - p->u.prefix_evpn.eth_tag, - inet_ntop (family, &p->u.prefix_evpn.ip.addr, - buf, PREFIX2STR_BUFFER), - p->prefixlen); - } - else - { - sprintf (str, "UNK AF_ETHER prefix"); - snprintf(str, size, "%02x:%02x:%02x:%02x:%02x:%02x/%d", - p->u.prefix_eth.octet[0], p->u.prefix_eth.octet[1], - p->u.prefix_eth.octet[2], p->u.prefix_eth.octet[3], - p->u.prefix_eth.octet[4], p->u.prefix_eth.octet[5], - p->prefixlen); - } - break; - default: - sprintf (str, "UNK prefix"); - break; - } - - return str; + const struct prefix *p = pu.p; + char buf[PREFIX2STR_BUFFER]; + + switch (p->family) { + case AF_INET: + case AF_INET6: + snprintf(str, size, "%s/%d", inet_ntop(p->family, &p->u.prefix, + buf, PREFIX2STR_BUFFER), + p->prefixlen); + break; + + case AF_ETHERNET: + if (p->u.prefix_evpn.route_type == 5) { + u_char family; + family = (p->u.prefix_evpn.flags + & (IP_ADDR_V4 | IP_PREFIX_V4)) + ? AF_INET + : AF_INET6; + snprintf(str, size, "[%d]:[%u][%s]/%d", + p->u.prefix_evpn.route_type, + p->u.prefix_evpn.eth_tag, + inet_ntop(family, &p->u.prefix_evpn.ip.addr, + buf, PREFIX2STR_BUFFER), + p->prefixlen); + } else { + sprintf(str, "UNK AF_ETHER prefix"); + snprintf(str, size, "%02x:%02x:%02x:%02x:%02x:%02x/%d", + p->u.prefix_eth.octet[0], + p->u.prefix_eth.octet[1], + p->u.prefix_eth.octet[2], + p->u.prefix_eth.octet[3], + p->u.prefix_eth.octet[4], + p->u.prefix_eth.octet[5], p->prefixlen); + } + break; + default: + sprintf(str, "UNK prefix"); + break; + } + + return str; } -struct prefix * -prefix_new () +struct prefix *prefix_new() { - struct prefix *p; + struct prefix *p; - p = XCALLOC (MTYPE_PREFIX, sizeof *p); - return p; + p = XCALLOC(MTYPE_PREFIX, sizeof *p); + return p; } /* Free prefix structure. */ -void -prefix_free (struct prefix *p) +void prefix_free(struct prefix *p) { - XFREE (MTYPE_PREFIX, p); + XFREE(MTYPE_PREFIX, p); } /* Utility function. Check the string only contains digit * character. * FIXME str.[c|h] would be better place for this function. */ -int -all_digit (const char *str) +int all_digit(const char *str) { - for (; *str != '\0'; str++) - if (!isdigit ((int) *str)) - return 0; - return 1; + for (; *str != '\0'; str++) + if (!isdigit((int)*str)) + return 0; + return 1; } /* Utility function to convert ipv4 prefixes to Classful prefixes */ -void apply_classful_mask_ipv4 (struct prefix_ipv4 *p) +void apply_classful_mask_ipv4(struct prefix_ipv4 *p) { - u_int32_t destination; - - destination = ntohl (p->prefix.s_addr); - - if (p->prefixlen == IPV4_MAX_PREFIXLEN); - /* do nothing for host routes */ - else if (IN_CLASSC (destination)) - { - p->prefixlen=24; - apply_mask_ipv4(p); - } - else if (IN_CLASSB(destination)) - { - p->prefixlen=16; - apply_mask_ipv4(p); - } - else - { - p->prefixlen=8; - apply_mask_ipv4(p); - } + u_int32_t destination; + + destination = ntohl(p->prefix.s_addr); + + if (p->prefixlen == IPV4_MAX_PREFIXLEN) + ; + /* do nothing for host routes */ + else if (IN_CLASSC(destination)) { + p->prefixlen = 24; + apply_mask_ipv4(p); + } else if (IN_CLASSB(destination)) { + p->prefixlen = 16; + apply_mask_ipv4(p); + } else { + p->prefixlen = 8; + apply_mask_ipv4(p); + } } -in_addr_t -ipv4_network_addr (in_addr_t hostaddr, int masklen) +in_addr_t ipv4_network_addr(in_addr_t hostaddr, int masklen) { - struct in_addr mask; + struct in_addr mask; - masklen2ip (masklen, &mask); - return hostaddr & mask.s_addr; + masklen2ip(masklen, &mask); + return hostaddr & mask.s_addr; } -in_addr_t -ipv4_broadcast_addr (in_addr_t hostaddr, int masklen) +in_addr_t ipv4_broadcast_addr(in_addr_t hostaddr, int masklen) { - struct in_addr mask; - - masklen2ip (masklen, &mask); - return (masklen != IPV4_MAX_PREFIXLEN-1) ? - /* normal case */ - (hostaddr | ~mask.s_addr) : - /* special case for /31 */ - (hostaddr ^ ~mask.s_addr); + struct in_addr mask; + + masklen2ip(masklen, &mask); + return (masklen != IPV4_MAX_PREFIXLEN - 1) ? + /* normal case */ + (hostaddr | ~mask.s_addr) + : + /* special case for /31 */ + (hostaddr ^ ~mask.s_addr); } -/* Utility function to convert ipv4 netmask to prefixes +/* Utility function to convert ipv4 netmask to prefixes ex.) "1.1.0.0" "255.255.0.0" => "1.1.0.0/16" ex.) "1.0.0.0" NULL => "1.0.0.0/8" */ -int -netmask_str2prefix_str (const char *net_str, const char *mask_str, - char *prefix_str) +int netmask_str2prefix_str(const char *net_str, const char *mask_str, + char *prefix_str) { - struct in_addr network; - struct in_addr mask; - u_char prefixlen; - u_int32_t destination; - int ret; - - ret = inet_aton (net_str, &network); - if (! ret) - return 0; - - if (mask_str) - { - ret = inet_aton (mask_str, &mask); - if (! ret) - return 0; - - prefixlen = ip_masklen (mask); - } - else - { - destination = ntohl (network.s_addr); - - if (network.s_addr == 0) - prefixlen = 0; - else if (IN_CLASSC (destination)) - prefixlen = 24; - else if (IN_CLASSB (destination)) - prefixlen = 16; - else if (IN_CLASSA (destination)) - prefixlen = 8; - else - return 0; - } + struct in_addr network; + struct in_addr mask; + u_char prefixlen; + u_int32_t destination; + int ret; + + ret = inet_aton(net_str, &network); + if (!ret) + return 0; + + if (mask_str) { + ret = inet_aton(mask_str, &mask); + if (!ret) + return 0; + + prefixlen = ip_masklen(mask); + } else { + destination = ntohl(network.s_addr); + + if (network.s_addr == 0) + prefixlen = 0; + else if (IN_CLASSC(destination)) + prefixlen = 24; + else if (IN_CLASSB(destination)) + prefixlen = 16; + else if (IN_CLASSA(destination)) + prefixlen = 8; + else + return 0; + } - sprintf (prefix_str, "%s/%d", net_str, prefixlen); + sprintf(prefix_str, "%s/%d", net_str, prefixlen); - return 1; + return 1; } /* Utility function for making IPv6 address string. */ -const char * -inet6_ntoa (struct in6_addr addr) +const char *inet6_ntoa(struct in6_addr addr) { - static char buf[INET6_ADDRSTRLEN]; + static char buf[INET6_ADDRSTRLEN]; - inet_ntop (AF_INET6, &addr, buf, INET6_ADDRSTRLEN); - return buf; + inet_ntop(AF_INET6, &addr, buf, INET6_ADDRSTRLEN); + return buf; } /* converts to internal representation of mac address - * returns 1 on success, 0 otherwise + * returns 1 on success, 0 otherwise * format accepted: AA:BB:CC:DD:EE:FF * if mac parameter is null, then check only */ int prefix_str2mac(const char *str, struct ethaddr *mac) { - unsigned int a[6]; - int i; - - if (!str) - return 0; - - if (sscanf (str, "%2x:%2x:%2x:%2x:%2x:%2x", - a + 0, a + 1, a + 2, a + 3, a + 4, a + 5) != 6) - { - /* error in incoming str length */ - return 0; - } - /* valid mac address */ - if (!mac) - return 1; - for (i = 0; i < 6; ++i) - mac->octet[i] = a[i] & 0xff; - return 1; + unsigned int a[6]; + int i; + + if (!str) + return 0; + + if (sscanf(str, "%2x:%2x:%2x:%2x:%2x:%2x", a + 0, a + 1, a + 2, a + 3, + a + 4, a + 5) + != 6) { + /* error in incoming str length */ + return 0; + } + /* valid mac address */ + if (!mac) + return 1; + for (i = 0; i < 6; ++i) + mac->octet[i] = a[i] & 0xff; + return 1; } char *prefix_mac2str(const struct ethaddr *mac, char *buf, int size) { - char *ptr; - - if (!mac) - return NULL; - if (!buf) - ptr = (char *)XMALLOC(MTYPE_TMP, ETHER_ADDR_STRLEN* sizeof(char)); - else - { - assert (size >= ETHER_ADDR_STRLEN); - ptr = buf; - } - snprintf(ptr, (ETHER_ADDR_STRLEN), - "%02x:%02x:%02x:%02x:%02x:%02x", (uint8_t) mac->octet[0], - (uint8_t) mac->octet[1], (uint8_t) mac->octet[2], (uint8_t) mac->octet[3], - (uint8_t) mac->octet[4], (uint8_t) mac->octet[5]); - return ptr; + char *ptr; + + if (!mac) + return NULL; + if (!buf) + ptr = (char *)XMALLOC(MTYPE_TMP, + ETHER_ADDR_STRLEN * sizeof(char)); + else { + assert(size >= ETHER_ADDR_STRLEN); + ptr = buf; + } + snprintf(ptr, (ETHER_ADDR_STRLEN), "%02x:%02x:%02x:%02x:%02x:%02x", + (uint8_t)mac->octet[0], (uint8_t)mac->octet[1], + (uint8_t)mac->octet[2], (uint8_t)mac->octet[3], + (uint8_t)mac->octet[4], (uint8_t)mac->octet[5]); + return ptr; } |