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| author | Matthias Schiffer <mschiffer@universe-factory.net> | 2012-01-20 15:18:11 +0100 |
|---|---|---|
| committer | Matthias Schiffer <mschiffer@universe-factory.net> | 2012-01-20 15:37:08 +0100 |
| commit | aa00a9646292f6950fc3d2a8d7d11f02a9815a8e (patch) | |
| tree | 8653b4882749b3e8c2c6697c4cb0ecf2492db151 | |
| parent | fca6f60a44a75f76d2c1183f06466228b01b9686 (diff) | |
| download | NPTv6-aa00a9646292f6950fc3d2a8d7d11f02a9815a8e.tar NPTv6-aa00a9646292f6950fc3d2a8d7d11f02a9815a8e.zip | |
Fix translation for non-multiple of 16 prefix lengths
| -rw-r--r-- | ip6t_NPTV6_common.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ip6t_NPTV6_common.h b/ip6t_NPTV6_common.h index efb5aa5..c307c44 100644 --- a/ip6t_NPTV6_common.h +++ b/ip6t_NPTV6_common.h @@ -87,11 +87,11 @@ static bool translate_address(struct in6_addr *addr, const struct in6_addr *pref } if (b != 0) { - u_int16_t bmask = 0xffff << (16-b); + u_int16_t bmask = htons(0xffff << (16-b)); csum = add16(csum, addr->s6_addr16[o] & bmask); csum = add16(csum, ~(prefix->s6_addr16[o] & bmask)); - addr->s6_addr16[o] &= bmask; + addr->s6_addr16[o] &= ~bmask; addr->s6_addr16[o] |= (prefix->s6_addr16[o] & bmask); } |