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📁 ..
📄 DISCLAIMER(3.23 KB)
📄 Makefile.inc(5.92 KB)
📄 README(7.92 KB)
📄 Symbol.map(4.1 KB)
📄 auth_des.c(13.95 KB)
📄 auth_none.c(4.69 KB)
📄 auth_time.c(12.49 KB)
📄 auth_unix.c(9.43 KB)
📄 authdes_prot.c(3.06 KB)
📄 authunix_prot.c(2.73 KB)
📄 bindresvport.3(2 KB)
📄 bindresvport.c(4.21 KB)
📄 clnt_bcast.c(18.36 KB)
📄 clnt_dg.c(23.62 KB)
📄 clnt_generic.c(12.83 KB)
📄 clnt_perror.c(8.23 KB)
📄 clnt_raw.c(7.98 KB)
📄 clnt_simple.c(6.27 KB)
📄 clnt_vc.c(23.01 KB)
📄 crypt_client.c(3.44 KB)
📄 des_crypt.3(2.64 KB)
📄 des_crypt.c(3.92 KB)
📄 des_soft.c(2.8 KB)
📄 getnetconfig.3(4.15 KB)
📄 getnetconfig.c(19.6 KB)
📄 getnetpath.3(3.04 KB)
📄 getnetpath.c(8.87 KB)
📄 getpublickey.c(4.35 KB)
📄 getrpcent.3(2.09 KB)
📄 getrpcent.c(21.69 KB)
📄 getrpcport.3(805 B)
📄 getrpcport.c(2.77 KB)
📄 key_call.c(11.85 KB)
📄 key_prot_xdr.c(4.38 KB)
📄 mt_misc.c(3.28 KB)
📄 mt_misc.h(2.66 KB)
📄 netconfig(729 B)
📄 netconfig.5(3.3 KB)
📄 netname.c(4.06 KB)
📄 netnamer.c(7.35 KB)
📄 pmap_clnt.c(3.71 KB)
📄 pmap_getmaps.c(3.21 KB)
📄 pmap_getport.c(3.41 KB)
📄 pmap_prot.c(2.43 KB)
📄 pmap_prot2.c(4.56 KB)
📄 pmap_rmt.c(4.94 KB)
📄 publickey.3(1.11 KB)
📄 publickey.5(944 B)
📄 rpc(1.58 KB)
📄 rpc.3(12.8 KB)
📄 rpc.5(1.17 KB)
📄 rpc_callmsg.c(6.35 KB)
📄 rpc_clnt_auth.3(2.33 KB)
📄 rpc_clnt_calls.3(8.12 KB)
📄 rpc_clnt_create.3(13.28 KB)
📄 rpc_com.h(3.39 KB)
📄 rpc_commondata.c(2.08 KB)
📄 rpc_dtablesize.c(2.57 KB)
📄 rpc_generic.c(18.13 KB)
📄 rpc_prot.c(8.7 KB)
📄 rpc_secure.3(5.9 KB)
📄 rpc_soc.3(31.75 KB)
📄 rpc_soc.c(13.54 KB)
📄 rpc_svc_calls.3(6.58 KB)
📄 rpc_svc_create.3(8.04 KB)
📄 rpc_svc_err.3(2.65 KB)
📄 rpc_svc_reg.3(4.5 KB)
📄 rpc_xdr.3(2.71 KB)
📄 rpcb_clnt.c(34.61 KB)
📄 rpcb_prot.c(8.45 KB)
📄 rpcb_st_xdr.c(6.7 KB)
📄 rpcbind.3(4.71 KB)
📄 rpcdname.c(2.73 KB)
📄 rpcsec_gss_stub.c(1.8 KB)
📄 rtime.3(934 B)
📄 rtime.c(4.18 KB)
📄 svc.c(17.78 KB)
📄 svc_auth.c(6.43 KB)
📄 svc_auth_des.c(13.79 KB)
📄 svc_auth_unix.c(4.82 KB)
📄 svc_dg.c(19.47 KB)
📄 svc_generic.c(8.75 KB)
📄 svc_raw.c(6.98 KB)
📄 svc_run.c(2.98 KB)
📄 svc_simple.c(8.78 KB)
📄 svc_vc.c(19.38 KB)

Editing: bindresvport.c

/*	$NetBSD: bindresvport.c,v 1.19 2000/07/06 03:03:59 christos Exp $	*/

/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 2009, Sun Microsystems, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * - Redistributions of source code must retain the above copyright notice, 
 *   this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice, 
 *   this list of conditions and the following disclaimer in the documentation 
 *   and/or other materials provided with the distribution.
 * - Neither the name of Sun Microsystems, Inc. nor the names of its 
 *   contributors may be used to endorse or promote products derived 
 *   from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char *sccsid2 = "from: @(#)bindresvport.c 1.8 88/02/08 SMI";
static char *sccsid = "from: @(#)bindresvport.c	2.2 88/07/29 4.0 RPCSRC";
#endif
/* from: $OpenBSD: bindresvport.c,v 1.7 1996/07/30 16:25:47 downsj Exp $ */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

/*
 * Copyright (c) 1987 by Sun Microsystems, Inc.
 *
 * Portions Copyright(C) 1996, Jason Downs.  All rights reserved.
 */

#include "namespace.h"
#include <sys/types.h>
#include <sys/socket.h>

#include <netinet/in.h>

#include <errno.h>
#include <string.h>
#include <unistd.h>

#include <rpc/rpc.h>

#include <string.h>
#include "un-namespace.h"

/*
 * Bind a socket to a privileged IP port
 */
int
bindresvport(int sd, struct sockaddr_in *sin)
{
	return bindresvport_sa(sd, (struct sockaddr *)sin);
}

/*
 * Bind a socket to a privileged IP port
 */
int
bindresvport_sa(int sd, struct sockaddr *sa)
{
	int old, error, af;
	struct sockaddr_storage myaddr;
	struct sockaddr_in *sin;
#ifdef INET6
	struct sockaddr_in6 *sin6;
#endif
	int proto, portrange, portlow;
	u_int16_t *portp;
	socklen_t salen;

if (sa == NULL) {
		salen = sizeof(myaddr);
		sa = (struct sockaddr *)&myaddr;

if (_getsockname(sd, sa, &salen) == -1)
			return -1;	/* errno is correctly set */

af = sa->sa_family;
		memset(sa, 0, salen);
	} else
		af = sa->sa_family;

switch (af) {
	case AF_INET:
		proto = IPPROTO_IP;
		portrange = IP_PORTRANGE;
		portlow = IP_PORTRANGE_LOW;
		sin = (struct sockaddr_in *)sa;
		salen = sizeof(struct sockaddr_in);
		portp = &sin->sin_port;
		break;
#ifdef INET6
	case AF_INET6:
		proto = IPPROTO_IPV6;
		portrange = IPV6_PORTRANGE;
		portlow = IPV6_PORTRANGE_LOW;
		sin6 = (struct sockaddr_in6 *)sa;
		salen = sizeof(struct sockaddr_in6);
		portp = &sin6->sin6_port;
		break;
#endif
	default:
		errno = EPFNOSUPPORT;
		return (-1);
	}
	sa->sa_family = af;
	sa->sa_len = salen;

if (*portp == 0) {
		socklen_t oldlen = sizeof(old);

error = _getsockopt(sd, proto, portrange, &old, &oldlen);
		if (error < 0)
			return (error);

error = _setsockopt(sd, proto, portrange, &portlow,
		    sizeof(portlow));
		if (error < 0)
			return (error);
	}

error = _bind(sd, sa, salen);

if (*portp == 0) {
		int saved_errno = errno;

if (error < 0) {
			if (_setsockopt(sd, proto, portrange, &old,
			    sizeof(old)) < 0)
				errno = saved_errno;
			return (error);
		}

if (sa != (struct sockaddr *)&myaddr) {
			/* Hmm, what did the kernel assign? */
			if (_getsockname(sd, sa, &salen) < 0)
				errno = saved_errno;
			return (error);
		}
	}
	return (error);
}

003 File Manager

Editing: bindresvport.c

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