X-Git-Url: https://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fipv6cp.c;h=d80ae216814e9017e65e629aaf15d038d61e4c39;hp=431cb62211bff1d28de4ca8151c070199a615877;hb=f1a34da3b2f5336e4993a729e5ac2130d0e0595a;hpb=952cfa5acc41ad4ceee160420a188a388bb340cf

diff --git a/pppd/ipv6cp.c b/pppd/ipv6cp.c
index 431cb62..d80ae21 100644
--- a/pppd/ipv6cp.c
+++ b/pppd/ipv6cp.c
@@ -528,7 +528,8 @@ ipv6cp_resetci(fsm *f)
     
     if (!wo->opt_local) {
 	wo->accept_local = 1;
-	eui64_magic_nz(wo->ourid);
+	if (!demand)
+	    eui64_magic_nz(wo->ourid);
     }
     if (!wo->opt_remote)
 	wo->accept_remote = 1;
@@ -1069,7 +1070,7 @@ ether_to_eui64(eui64_t *p_eui64)
 {
     u_char addr[6];
 
-    if (get_if_hwaddr(addr, devnam) < 0 || get_first_ether_hwaddr(addr) < 0) {
+    if (get_if_hwaddr(addr, devnam) < 0 && get_first_ether_hwaddr(addr) < 0) {
         error("ipv6cp: no persistent id can be found");
         return 0;
     }
@@ -1106,7 +1107,7 @@ ipv6_check_options(void)
      * Persistent link-local id is only used when user has not explicitly
      * configure/hard-code the id
      */
-    if ((wo->use_persistent) && (!wo->opt_local) && (!wo->opt_remote)) {
+    if ((wo->use_persistent) && (!wo->opt_local)) {
 
 	/* 
 	 * On systems where there are no Ethernet interfaces used, there
@@ -1140,11 +1141,6 @@ ipv6_check_options(void)
 		wo->opt_remote = 1;
 	}
     }
-
-    if (demand && (eui64_iszero(wo->ourid) || eui64_iszero(wo->hisid))) {
-	option_error("local/remote LL address required for demand-dialling\n");
-	exit(EXIT_OPTION_ERROR);
-    }
 }
 
 
@@ -1157,6 +1153,15 @@ ipv6_demand_conf(int u)
 {
     ipv6cp_options *wo = &ipv6cp_wantoptions[u];
 
+    if (eui64_iszero(wo->hisid)) {
+	/* make up an arbitrary identifier for the peer */
+	eui64_magic_nz(wo->hisid);
+    }
+    if (eui64_iszero(wo->ourid)) {
+	/* make up an arbitrary identifier for us */
+	eui64_magic_nz(wo->ourid);
+    }
+
     if (!sif6up(u))
 	return 0;
     if (!sif6addr(u, wo->ourid, wo->hisid))
@@ -1171,7 +1176,6 @@ ipv6_demand_conf(int u)
 	if (sif6defaultroute(u, wo->ourid, wo->hisid))
 	    default_route_set[u] = 1;
 
-    notice("ipv6_demand_conf");
     notice("local  LL address %s", llv6_ntoa(wo->ourid));
     notice("remote LL address %s", llv6_ntoa(wo->hisid));
 
@@ -1238,7 +1242,7 @@ ipv6cp_up(fsm *f)
 	    if (! eui64_equals(ho->hisid, wo->hisid))
 		warn("Remote LL address changed to %s", 
 		     llv6_ntoa(ho->hisid));
-	    ipv6cp_clear_addrs(f->unit, go->ourid, ho->hisid);
+	    ipv6cp_clear_addrs(f->unit, wo->ourid, wo->hisid);
 
 	    /* Set the interface to the new addresses */
 	    if (!sif6addr(f->unit, go->ourid, ho->hisid)) {