X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fipcp.c;h=112def979666ec79395711d8b2965022b1d0c9b4;hp=9032f73eb71c30e6c6f542ffc1d0a05f342b6b00;hb=4731734c0bcadc7119bd7dae9b9056a151f9c3ee;hpb=035aefdd1f25f6bdeb73b42a11fd8da76118a405 diff --git a/pppd/ipcp.c b/pppd/ipcp.c index 9032f73..112def9 100644 --- a/pppd/ipcp.c +++ b/pppd/ipcp.c @@ -18,7 +18,7 @@ */ #ifndef lint -static char rcsid[] = "$Id: ipcp.c,v 1.14 1994/10/24 04:31:11 paulus Exp $"; +static char rcsid[] = "$Id: ipcp.c,v 1.19 1995/06/01 01:30:38 paulus Exp $"; #endif /* @@ -575,12 +575,13 @@ ipcp_nakci(f, p, len) case CI_ADDR: if (go->neg_addr || no.neg_addr || cilen != CILEN_ADDR) goto bad; - try.neg_addr = 1; try.old_addrs = 0; GETLONG(l, p); ciaddr1 = htonl(l); if (ciaddr1 && go->accept_local) try.ouraddr = ciaddr1; + if (try.ouraddr != 0) + try.neg_addr = 1; no.neg_addr = 1; break; default: @@ -774,10 +775,17 @@ ipcp_reqci(f, inp, len, reject_if_disagree) && (ciaddr1 == 0 || !wo->accept_remote)) { orc = CONFNAK; if (!reject_if_disagree) { - DECPTR(sizeof (long), p); + DECPTR(sizeof(u_int32_t), p); tl = ntohl(wo->hisaddr); PUTLONG(tl, p); } + } else if (ciaddr1 == 0 && wo->hisaddr == 0) { + /* + * If neither we nor he knows his address, reject the option. + */ + orc = CONFREJ; + wo->req_addr = 0; /* don't NAK with 0.0.0.0 later */ + break; } /* @@ -791,7 +799,7 @@ ipcp_reqci(f, inp, len, reject_if_disagree) if (ciaddr2 == 0 || !wo->accept_local) { orc = CONFNAK; if (!reject_if_disagree) { - DECPTR(sizeof (long), p); + DECPTR(sizeof(u_int32_t), p); tl = ntohl(wo->ouraddr); PUTLONG(tl, p); } @@ -828,10 +836,17 @@ ipcp_reqci(f, inp, len, reject_if_disagree) && (ciaddr1 == 0 || !wo->accept_remote)) { orc = CONFNAK; if (!reject_if_disagree) { - DECPTR(sizeof (long), p); + DECPTR(sizeof(u_int32_t), p); tl = ntohl(wo->hisaddr); PUTLONG(tl, p); } + } else if (ciaddr1 == 0 && wo->hisaddr == 0) { + /* + * Don't ACK an address of 0.0.0.0 - reject it instead. + */ + orc = CONFREJ; + wo->req_addr = 0; /* don't NAK with 0.0.0.0 later */ + break; } ho->neg_addr = 1; @@ -874,7 +889,7 @@ ipcp_reqci(f, inp, len, reject_if_disagree) } } ho->maxslotindex = maxslotindex; - ho->cflag = wo->cflag; + ho->cflag = cflag; } else { ho->old_vj = 1; ho->maxslotindex = MAX_STATES - 1; @@ -1083,7 +1098,8 @@ ipcp_script(f, script) argv[3] = strspeed; argv[4] = strlocal; argv[5] = strremote; - argv[6] = NULL; + argv[6] = ipparam; + argv[7] = NULL; run_program(script, argv, 0); }