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| author | jkh <jkh@FreeBSD.org> | 1996-12-12 14:39:47 +0000 |
|---|---|---|
| committer | jkh <jkh@FreeBSD.org> | 1996-12-12 14:39:47 +0000 |
| commit | e9d9f1a03faaebd237b178bafd1984ebdb7f10ce (patch) | |
| tree | 34061737a5a78521d3b8272572be78e37e2e5ee3 /usr.sbin/ppp/ip.c | |
| parent | ea690c232d51299477c23bce3db9b26729d4878e (diff) | |
| download | FreeBSD-src-e9d9f1a03faaebd237b178bafd1984ebdb7f10ce.zip FreeBSD-src-e9d9f1a03faaebd237b178bafd1984ebdb7f10ce.tar.gz | |
The infamous IP aliasing code for ppp, modified to work as a runtime option
(otherwise ppp's behavior remains unchanged) and documented by myself,
Steve Sims, Nate Williams, Martin Renters and god-only-knows who else. :-)
Submitted by: nate
Obtained from: Charles Mott <cmott@srv.net>
Diffstat (limited to 'usr.sbin/ppp/ip.c')
| -rw-r--r-- | usr.sbin/ppp/ip.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/usr.sbin/ppp/ip.c b/usr.sbin/ppp/ip.c index 1756b4d..02290a5 100644 --- a/usr.sbin/ppp/ip.c +++ b/usr.sbin/ppp/ip.c @@ -17,7 +17,7 @@ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. * - * $Id: ip.c,v 1.9 1996/05/11 20:48:25 phk Exp $ + * $Id: ip.c,v 1.10 1996/12/03 21:38:45 nate Exp $ * * TODO: * o Return ICMP message for filterd packet @@ -34,6 +34,7 @@ #include <arpa/inet.h> #include "vars.h" #include "filter.h" +#include "alias.h" extern void SendPppFrame(); extern void LcpClose(); @@ -331,6 +332,11 @@ struct mbuf *bp; /* IN: Pointer to IP pakcet */ nb += wp->cnt; } + if (mode & MODE_ALIAS) { + PacketAliasIn(tunbuff); + nb = ntohs(((struct ip *) tunbuff)->ip_len); + } + if ( PacketCheck(tunbuff, nb, FL_IN ) < 0) { pfree(bp); return; |
