| Current Path : /usr/src/contrib/ipfilter/lib/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/contrib/ipfilter/lib/portname.c |
/* $FreeBSD: release/9.1.0/contrib/ipfilter/lib/portname.c 170268 2007-06-04 02:54:36Z darrenr $ */
/*
* Copyright (C) 2000-2003 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id: portname.c,v 1.7.2.1 2006/06/16 17:21:09 darrenr Exp $
*/
#include "ipf.h"
char *portname(pr, port)
int pr, port;
{
static char buf[32];
struct protoent *p = NULL;
struct servent *sv = NULL, *sv1 = NULL;
if ((opts & OPT_NORESOLVE) == 0) {
if (pr == -1) {
if ((sv = getservbyport(htons(port), "tcp"))) {
strncpy(buf, sv->s_name, sizeof(buf)-1);
buf[sizeof(buf)-1] = '\0';
sv1 = getservbyport(htons(port), "udp");
sv = strncasecmp(buf, sv->s_name, strlen(buf)) ?
NULL : sv1;
}
if (sv)
return buf;
} else if ((pr != -2) && (p = getprotobynumber(pr))) {
if ((sv = getservbyport(htons(port), p->p_name))) {
strncpy(buf, sv->s_name, sizeof(buf)-1);
buf[sizeof(buf)-1] = '\0';
return buf;
}
}
}
(void) sprintf(buf, "%d", port);
return buf;
}