diff options
| author |   dlg <dlg@openbsd.org> | 2014-11-06 07:41:32 +0000 |
|---|---|---|
| committer | dlg <dlg@openbsd.org> | 2014-11-06 07:41:32 +0000 |
| commit | de02581103b83f186ef8e67eff5b46f1dba355ee (patch) | |
| tree | b12f7b069e2edde1ebe5a17626382d0f8f1a48ca /sys/netinet/tcp_subr.c | |
| parent | Cleanup whitespace and add 5 series comments. (diff) | |
| download | wireguard-openbsd-de02581103b83f186ef8e67eff5b46f1dba355ee.tar.xz wireguard-openbsd-de02581103b83f186ef8e67eff5b46f1dba355ee.zip | |
mix the rtable into the hash for tcp sequence number generation.
ok tedu@ claudio@
Diffstat (limited to 'sys/netinet/tcp_subr.c')
| -rw-r--r-- | sys/netinet/tcp_subr.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c index d46914a5e00..2a073571c39 100644 --- a/sys/netinet/tcp_subr.c +++ b/sys/netinet/tcp_subr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tcp_subr.c,v 1.134 2014/11/04 15:24:40 mpi Exp $ */ +/* $OpenBSD: tcp_subr.c,v 1.135 2014/11/06 07:41:32 dlg Exp $ */ /* $NetBSD: tcp_subr.c,v 1.22 1996/02/13 23:44:00 christos Exp $ */ /* @@ -954,7 +954,7 @@ tcp_set_iss_tsm(struct tcpcb *tp) uint8_t bytes[SHA512_DIGEST_LENGTH]; uint32_t words[2]; } digest; - + u_int rtable = rtable_l2(tp->t_inpcb->inp_rtableid); if (tcp_secret_init == 0) { arc4random_buf(tcp_secret, sizeof(tcp_secret)); @@ -963,6 +963,7 @@ tcp_set_iss_tsm(struct tcpcb *tp) tcp_secret_init = 1; } ctx = tcp_secret_ctx; + SHA512Update(&ctx, (char *)&rtable, sizeof(rtable)); SHA512Update(&ctx, (char *)&tp->t_inpcb->inp_lport, sizeof(u_short)); SHA512Update(&ctx, (char *)&tp->t_inpcb->inp_fport, sizeof(u_short)); if (tp->pf == AF_INET6) { |