/* $NetBSD: getportproto.c,v 1.2 2012/07/22 14:27:36 darrenr Exp $ */ /* * Copyright (C) 2012 by Darren Reed. * * See the IPFILTER.LICENCE file for details on licencing. * * Id: getportproto.c,v 1.1.1.2 2012/07/22 13:44:38 darrenr Exp $ */ #include #include "ipf.h" int getportproto(name, proto) char *name; int proto; { struct servent *s; struct protoent *p; if (ISDIGIT(*name)) { int number; char *s; for (s = name; *s != '\0'; s++) if (!ISDIGIT(*s)) return -1; number = atoi(name); if (number < 0 || number > 65535) return -1; return htons(number); } p = getprotobynumber(proto); s = getservbyname(name, p ? p->p_name : NULL); if (s != NULL) return s->s_port; return -1; }