diff options
| author | Angelos D. Keromytis <angelos@cvs.openbsd.org> | 2000-08-03 08:21:00 +0000 |
|---|---|---|
| committer | Angelos D. Keromytis <angelos@cvs.openbsd.org> | 2000-08-03 08:21:00 +0000 |
| commit | c570baee378151017405d857b809a22366873ae3 (patch) | |
| tree | bf4a0f84d6dd5b183a7504bac181c8eb021b3533 /sys | |
| parent | d08a71cde627334e27da3636b83185df6b646c1c (diff) | |
Careful with ip_off
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/netinet/ip_ah.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/sys/netinet/ip_ah.c b/sys/netinet/ip_ah.c index 2cfc5cf60fc..ce448dfa7c9 100644 --- a/sys/netinet/ip_ah.c +++ b/sys/netinet/ip_ah.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ip_ah.c,v 1.42 2000/06/20 04:19:10 itojun Exp $ */ +/* $OpenBSD: ip_ah.c,v 1.43 2000/08/03 08:20:59 angelos Exp $ */ /* * The authors of this code are John Ioannidis (ji@tla.org), @@ -233,12 +233,19 @@ ah_massage_headers(struct mbuf **m0, int proto, int skip, int alg, int out) ip->ip_len += skip; HTONS(ip->ip_len); HTONS(ip->ip_id); - } - if ((alg == CRYPTO_MD5_KPDK) || (alg == CRYPTO_SHA1_KPDK)) - ip->ip_off = htons(ip->ip_off & IP_DF); - else - ip->ip_off = 0; + if ((alg == CRYPTO_MD5_KPDK) || (alg == CRYPTO_SHA1_KPDK)) + ip->ip_off = htons(ip->ip_off & IP_DF); + else + ip->ip_off = 0; + } + else + { + if ((alg == CRYPTO_MD5_KPDK) || (alg == CRYPTO_SHA1_KPDK)) + ip->ip_off = htons(ntohs(ip->ip_off) & IP_DF); + else + ip->ip_off = 0; + } ptr = mtod(m, unsigned char *) + sizeof(struct ip); |