X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Fipcp.c;h=128c204d64e0c96b2b8379dabb53b4a23718fdc9;hb=fae79a1c86b3fadc9e3f1e8efbaeb5587c4e6573;hp=c3b052160f949ad74b679bec3c9cac3b15b97fa8;hpb=f53a48eb9d74db3c71938e114b7f489c339bc003;p=ppp.git

diff --git a/pppd/ipcp.c b/pppd/ipcp.c
index c3b0521..128c204 100644
--- a/pppd/ipcp.c
+++ b/pppd/ipcp.c
@@ -40,7 +40,7 @@
  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#define RCSID	"$Id: ipcp.c,v 1.62 2002/12/04 23:03:32 paulus Exp $"
+#define RCSID	"$Id: ipcp.c,v 1.65 2004/01/13 03:59:06 paulus Exp $"
 
 /*
  * TODO:
@@ -91,6 +91,7 @@ static int default_route_set[NUM_PPP];	/* Have set up a default route */
 static int proxy_arp_set[NUM_PPP];	/* Have created proxy arp entry */
 static bool usepeerdns;			/* Ask peer for DNS addrs */
 static int ipcp_is_up;			/* have called np_up() */
+static int ipcp_is_open;		/* haven't called np_finished() */
 static bool ask_for_local;		/* request our address from peer */
 static char vj_value[8];		/* string form of vj option value */
 static char netmask_str[20];		/* string form of netmask value */
@@ -602,6 +603,7 @@ ipcp_open(unit)
     int unit;
 {
     fsm_open(&ipcp_fsm[unit]);
+    ipcp_is_open = 1;
 }
 
 
@@ -1096,10 +1098,10 @@ ipcp_nakci(f, p, len)
      * If they want to negotiate about IP addresses, we comply.
      * If they want us to ask for compression, we refuse.
      */
-    while (len > CILEN_VOID) {
+    while (len >= CILEN_VOID) {
 	GETCHAR(citype, p);
 	GETCHAR(cilen, p);
-	if( (len -= cilen) < 0 )
+	if ( cilen < CILEN_VOID || (len -= cilen) < 0 )
 	    goto bad;
 	next = p + cilen - 2;
 
@@ -1685,12 +1687,12 @@ ipcp_up(f)
     script_setenv("IPLOCAL", ip_ntoa(go->ouraddr), 0);
     script_setenv("IPREMOTE", ip_ntoa(ho->hisaddr), 1);
 
+    if (go->dnsaddr[0])
+	script_setenv("DNS1", ip_ntoa(go->dnsaddr[0]), 0);
+    if (go->dnsaddr[1])
+	script_setenv("DNS2", ip_ntoa(go->dnsaddr[1]), 0);
     if (usepeerdns && (go->dnsaddr[0] || go->dnsaddr[1])) {
 	script_setenv("USEPEERDNS", "1", 0);
-	if (go->dnsaddr[0])
-	    script_setenv("DNS1", ip_ntoa(go->dnsaddr[0]), 0);
-	if (go->dnsaddr[1])
-	    script_setenv("DNS2", ip_ntoa(go->dnsaddr[1]), 0);
 	create_resolv(go->dnsaddr[0], go->dnsaddr[1]);
     }
 
@@ -1894,7 +1896,10 @@ static void
 ipcp_finished(f)
     fsm *f;
 {
-    np_finished(f->unit, PPP_IP);
+	if (ipcp_is_open) {
+		ipcp_is_open = 0;
+		np_finished(f->unit, PPP_IP);
+	}
 }