X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fipcp.c;h=abeae25b4d1cc5fde77b30228669406980ce8ada;hp=f20257931721952fb8b7a967c7d3d739f12c35eb;hb=8ef1b1cb2ca8fb6481cf992750f321381612f688;hpb=6a34bc9a3edf435bc67e81755b65acb6786c98b3 diff --git a/pppd/ipcp.c b/pppd/ipcp.c index f202579..abeae25 100644 --- a/pppd/ipcp.c +++ b/pppd/ipcp.c @@ -18,7 +18,7 @@ */ #ifndef lint -static char rcsid[] = "$Id: ipcp.c,v 1.13 1994/10/22 11:54:04 paulus Exp $"; +static char rcsid[] = "$Id: ipcp.c,v 1.16 1995/04/26 06:46:50 paulus Exp $"; #endif /* @@ -38,13 +38,13 @@ static char rcsid[] = "$Id: ipcp.c,v 1.13 1994/10/22 11:54:04 paulus Exp $"; #include "pathnames.h" /* global vars */ -ipcp_options ipcp_wantoptions[N_PPP]; /* Options that we want to request */ -ipcp_options ipcp_gotoptions[N_PPP]; /* Options that peer ack'd */ -ipcp_options ipcp_allowoptions[N_PPP]; /* Options we allow peer to request */ -ipcp_options ipcp_hisoptions[N_PPP]; /* Options that we ack'd */ +ipcp_options ipcp_wantoptions[NUM_PPP]; /* Options that we want to request */ +ipcp_options ipcp_gotoptions[NUM_PPP]; /* Options that peer ack'd */ +ipcp_options ipcp_allowoptions[NUM_PPP]; /* Options we allow peer to request */ +ipcp_options ipcp_hisoptions[NUM_PPP]; /* Options that we ack'd */ /* local vars */ -static int cis_received[N_PPP]; /* # Conf-Reqs received */ +static int cis_received[NUM_PPP]; /* # Conf-Reqs received */ /* * Callbacks for fsm code. (CI = Configuration Information) @@ -60,7 +60,7 @@ static void ipcp_up __P((fsm *)); /* We're UP */ static void ipcp_down __P((fsm *)); /* We're DOWN */ static void ipcp_script __P((fsm *, char *)); /* Run an up/down script */ -fsm ipcp_fsm[N_PPP]; /* IPCP fsm structure */ +fsm ipcp_fsm[NUM_PPP]; /* IPCP fsm structure */ static fsm_callbacks ipcp_callbacks = { /* IPCP callback routines */ ipcp_resetci, /* Reset our Configuration Information */ @@ -774,10 +774,16 @@ 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; + break; } /* @@ -791,7 +797,7 @@ 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 +834,16 @@ 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; + break; } ho->neg_addr = 1; @@ -1083,7 +1095,8 @@ 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); }