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-rw-r--r--TODO2
-rw-r--r--lib/ipv4.c8
2 files changed, 6 insertions, 4 deletions
diff --git a/TODO b/TODO
index 87eb4cb..f001bd4 100644
--- a/TODO
+++ b/TODO
@@ -2,6 +2,8 @@ Core
~~~~
* protocols: implement dumping of protocol-dependent rte attributes
+- io.c: refuse old-style multicasts for unnumbered interfaces?
+
- prefer loopback addresses as router IDs (dummy interface?)
- config: executable config files
diff --git a/lib/ipv4.c b/lib/ipv4.c
index 04e15b0..186b36a 100644
--- a/lib/ipv4.c
+++ b/lib/ipv4.c
@@ -6,8 +6,6 @@
* Can be freely distributed and used under the terms of the GNU GPL.
*/
-#ifndef IPV6
-
#include <string.h>
#include <stdlib.h>
@@ -24,6 +22,10 @@ ipv4_classify(u32 a)
{
if (b == 0x7f)
return IADDR_HOST | SCOPE_HOST;
+ else if (b == 0x0a ||
+ (a & 0xffff0000) == 0xc0a80000 ||
+ (a & 0xfff00000) == 0xac100000)
+ return IADDR_HOST | SCOPE_SITE;
else
return IADDR_HOST | SCOPE_UNIVERSE;
}
@@ -92,5 +94,3 @@ ip_pton(char *a, ip_addr *o)
*o = ipa_from_u32(ia);
return 1;
}
-
-#endif