diff options
| -rw-r--r-- | usr.sbin/ppp/lcp.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/usr.sbin/ppp/lcp.c b/usr.sbin/ppp/lcp.c index 009cc06..52b0dbf 100644 --- a/usr.sbin/ppp/lcp.c +++ b/usr.sbin/ppp/lcp.c @@ -17,7 +17,7 @@ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. * - * $Id: lcp.c,v 1.68 1999/02/18 00:52:14 brian Exp $ + * $Id: lcp.c,v 1.69 1999/02/26 21:28:12 brian Exp $ * * TODO: * o Limit data field length by MRU @@ -645,14 +645,26 @@ LcpDecodeConfig(struct fsm *fp, u_char *cp, int plen, int mode_type, switch (mode_type) { case MODE_REQ: lcp->his_accmap = accmap; - memcpy(dec->ackend, cp, 6); - dec->ackend += 6; + lcp->want_accmap |= accmap; /* restrict our requested map */ + if (lcp->want_accmap == accmap) { + memcpy(dec->ackend, cp, 6); + dec->ackend += 6; + } else { + /* NAK with what we now want */ + *dec->nakend++ = *cp; + *dec->nakend++ = 6; + ua_htonl(&lcp->want_accmap, dec->nakend); + dec->nakend += 4; + } break; case MODE_NAK: - lcp->want_accmap = accmap; + lcp->want_accmap |= accmap; break; case MODE_REJ: - lcp->his_reject |= (1 << type); + if (lcp->want_accmap) + log_Printf(LogWARN, "Peer is rejecting our ACCMAP.... bad news !\n"); + else + lcp->his_reject |= (1 << type); break; } break; |
