diff options
| author | silby <silby@FreeBSD.org> | 2001-08-22 00:58:16 +0000 |
|---|---|---|
| committer | silby <silby@FreeBSD.org> | 2001-08-22 00:58:16 +0000 |
| commit | 58e247fcc429356ba8d8fe81cb9750c74a98d9bc (patch) | |
| tree | 3b00e220029de2166baf4b0e693035bb7d8a5842 /sys/netinet/tcp_input.c | |
| parent | b6d83b57c8b4c0005bbfe32530e296298e941273 (diff) | |
| download | FreeBSD-src-58e247fcc429356ba8d8fe81cb9750c74a98d9bc.zip FreeBSD-src-58e247fcc429356ba8d8fe81cb9750c74a98d9bc.tar.gz | |
Much delayed but now present: RFC 1948 style sequence numbers
In order to ensure security and functionality, RFC 1948 style
initial sequence number generation has been implemented. Barring
any major crypographic breakthroughs, this algorithm should be
unbreakable. In addition, the problems with TIME_WAIT recycling
which affect our currently used algorithm are not present.
Reviewed by: jesper
Diffstat (limited to 'sys/netinet/tcp_input.c')
| -rw-r--r-- | sys/netinet/tcp_input.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c index 37b6492..a49c07d 100644 --- a/sys/netinet/tcp_input.c +++ b/sys/netinet/tcp_input.c @@ -101,7 +101,6 @@ struct tcphdr tcp_savetcp; MALLOC_DEFINE(M_TSEGQ, "tseg_qent", "TCP segment queue entry"); static int tcprexmtthresh = 3; -tcp_seq tcp_iss; tcp_cc tcp_ccgen; struct tcpstat tcpstat; @@ -1135,7 +1134,7 @@ findpcb: if (iss) tp->iss = iss; else { - tp->iss = tcp_new_isn(); + tp->iss = tcp_new_isn(tp); } tp->irs = th->th_seq; tcp_sendseqinit(tp); @@ -1667,7 +1666,7 @@ trimthenstep6: if (thflags & TH_SYN && tp->t_state == TCPS_TIME_WAIT && SEQ_GT(th->th_seq, tp->rcv_nxt)) { - iss = tcp_new_isn(); + iss = tcp_new_isn(tp); tp = tcp_close(tp); goto findpcb; } |
