usr.sbin/ppp/ipv6cp.c

117 SetInterfaceID(u_char *ifid, int userandom)
125   memset(ifid, 0, IPV6CP_IFIDLEN);
159     ifid[0] = cp[0];
160     ifid[0] ^= 0x02; /* reverse the u/l bit*/
161     ifid[1] = cp[1];
162     ifid[2] = cp[2];
163     ifid[3] = 0xff;
164     ifid[4] = 0xfe;
165     ifid[5] = cp[3];
166     ifid[6] = cp[4];
167     ifid[7] = cp[5];
190   memcpy(ifid, &r1, sizeof(r1));
191   memcpy(ifid + 4, &r2, sizeof(r2));
192   ifid[0] &= 0xfd;
660 ipv6cp_ValidateInterfaceID(struct ipv6cp *ipv6cp, u_char *ifid,
668   if (memcmp(ifid, zero, IPV6CP_IFIDLEN) != 0
669       && memcmp(ifid, ipv6cp->my_ifid, IPV6CP_IFIDLEN) != 0)
670     memcpy(ipv6cp->his_ifid, ifid, IPV6CP_IFIDLEN);
675   if (memcmp(ifid, ipv6cp->his_ifid, IPV6CP_IFIDLEN) == 0)
689   u_char ifid[IPV6CP_IFIDLEN], zero[IPV6CP_IFIDLEN];
703       memcpy(ifid, opt->data, IPV6CP_IFIDLEN);
705 		 ifid[0], ifid[1], ifid[2], ifid[3], ifid[4], ifid[5], ifid[6], ifid[7]);
710         ipv6cp_ValidateInterfaceID(ipv6cp, ifid, dec);
714         if (memcmp(ifid, zero, IPV6CP_IFIDLEN) == 0) {
718         } else if (memcmp(ifid, ipv6cp->his_ifid, IPV6CP_IFIDLEN) == 0) {
722 		     ifid[0], ifid[1], ifid[2], ifid[3],
723 		     ifid[4], ifid[5], ifid[6], ifid[7]);
724         } else if (memcmp(ifid, ipv6cp->my_ifid, IPV6CP_IFIDLEN) != 0) {
726 	  while (n && !ipcp_SetIPv6address(ipv6cp, ifid, ipv6cp->his_ifid)) {
729 	      SetInterfaceID(ifid, 1);
730 	    } while (n && memcmp(ifid, ipv6cp->his_ifid, IPV6CP_IFIDLEN) == 0);
745 		       ifid[0], ifid[1], ifid[2], ifid[3],
746 		       ifid[4], ifid[5], ifid[6], ifid[7]);
747             memcpy(ipv6cp->my_ifid, ifid, IPV6CP_IFIDLEN);
780       memset(ifid, 0, IPV6CP_IFIDLEN);
781       ipv6cp_ValidateInterfaceID(ipv6cp, ifid, dec);