ipoptsec.c revision 170268
1/* $FreeBSD: head/contrib/ipfilter/lib/ipoptsec.c 170268 2007-06-04 02:54:36Z darrenr $ */ 2 3/* 4 * Copyright (C) 2001-2002 by Darren Reed. 5 * 6 * See the IPFILTER.LICENCE file for details on licencing. 7 * 8 * $Id: ipoptsec.c,v 1.2.4.1 2006/06/16 17:21:04 darrenr Exp $ 9 */ 10 11#include "ipf.h" 12 13 14struct ipopt_names secclass[] = { 15 { IPSO_CLASS_RES4, 0x01, 0, "reserv-4" }, 16 { IPSO_CLASS_TOPS, 0x02, 0, "topsecret" }, 17 { IPSO_CLASS_SECR, 0x04, 0, "secret" }, 18 { IPSO_CLASS_RES3, 0x08, 0, "reserv-3" }, 19 { IPSO_CLASS_CONF, 0x10, 0, "confid" }, 20 { IPSO_CLASS_UNCL, 0x20, 0, "unclass" }, 21 { IPSO_CLASS_RES2, 0x40, 0, "reserv-2" }, 22 { IPSO_CLASS_RES1, 0x80, 0, "reserv-1" }, 23 { 0, 0, 0, NULL } /* must be last */ 24}; 25 26 27u_char seclevel(slevel) 28char *slevel; 29{ 30 struct ipopt_names *so; 31 32 for (so = secclass; so->on_name; so++) 33 if (!strcasecmp(slevel, so->on_name)) 34 break; 35 36 if (!so->on_name) { 37 fprintf(stderr, "no such security level: %s\n", slevel); 38 return 0; 39 } 40 return (u_char)so->on_value; 41} 42 43 44u_char secbit(class) 45int class; 46{ 47 struct ipopt_names *so; 48 49 for (so = secclass; so->on_name; so++) 50 if (so->on_value == class) 51 break; 52 53 if (!so->on_name) { 54 fprintf(stderr, "no such security class: %d\n", class); 55 return 0; 56 } 57 return (u_char)so->on_bit; 58} 59