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Diffstat (limited to 'lib/libnetbsd/netinet/in.h')
-rw-r--r-- | lib/libnetbsd/netinet/in.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/lib/libnetbsd/netinet/in.h b/lib/libnetbsd/netinet/in.h new file mode 100644 index 0000000..c108ae3 --- /dev/null +++ b/lib/libnetbsd/netinet/in.h @@ -0,0 +1,72 @@ +/* $FreeBSD$ */ + +/* + * Copyright (c) 1982, 1986, 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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. + * + * @(#)in.h 8.3 (Berkeley) 1/3/94 + */ + +#ifndef _LIBNETBSD_NETINET_IN_H_ +#define _LIBNETBSD_NETINET_IN_H_ + +#include_next <netinet/in.h> + +/* + * Local port number conventions: + * + * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root), + * unless a kernel is compiled with IPNOPRIVPORTS defined. + * + * When a user does a bind(2) or connect(2) with a port number of zero, + * a non-conflicting local port address is chosen. + * + * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although + * that is settable by sysctl(3); net.inet.ip.anonportmin and + * net.inet.ip.anonportmax respectively. + * + * A user may set the IPPROTO_IP option IP_PORTRANGE to change this + * default assignment range. + * + * The value IP_PORTRANGE_DEFAULT causes the default behavior. + * + * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT, + * and exists only for FreeBSD compatibility purposes. + * + * The value IP_PORTRANGE_LOW changes the range to the "low" are + * that is (by convention) restricted to privileged processes. + * This convention is based on "vouchsafe" principles only. + * It is only secure if you trust the remote host to restrict these ports. + * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX. + */ + +#define IPPORT_ANONMIN 49152 +#define IPPORT_ANONMAX 65535 +#define IPPORT_RESERVEDMIN 600 +#define IPPORT_RESERVEDMAX (IPPORT_RESERVED-1) + +#endif |